{"title":"Dust Cap","description":"","products":[{"product_id":"ez-lube-grease-cap-1-98-trailer-hub","title":"RGP 3,500 lb Trailer Axle EZ-Lube Grease Cap with Rubber Plug – 1.98\"","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eKeep your trailer hubs properly lubricated with these greaseable dust caps, designed for 2,000 - 3,500 lb axles with standard 1.98\" hub bores, compatible with most 4-lug and 5-lug hubs. Made from heavy duty zinc-plated steel, these caps resist rust, impacts and road debris for long-lasting durability. Each cap features a removable EZ Lube rubber plug, allowing quick and clean greasing without removing the cap, and comes with spare plugs to ensure maintenance readiness over time. The secure press-fit design keeps dirt, water, and contaminants out, helping extend bearing life and maintain reliable trailer performance. These caps are ideal for single trailers, multi-axle setups, and fleet maintenance, making hub upkeep easier and more efficient. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's included by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e4‑Pack Kit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(4) 1.98\" OD greaseable dust caps\u003cbr\u003e(4) Pre\u003cspan\u003e‑\u003c\/span\u003einstalled rubber plugs\u003cbr\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8‑Pack Kit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(8) 1.98\" OD greaseable dust caps\u003cbr\u003e(8) Pre‑installed rubber plugs\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM Replacement Part Number: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eGrease Cap: Dexter 021-041-02\u003c\/p\u003e\n\u003cp\u003eRubber Plug: 085-001-00\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"4 Pieces","offer_id":41948041347175,"sku":"AC-DC-35-200-GR-4Pack-M","price":8.89,"currency_code":"USD","in_stock":true},{"title":"8 Pieces","offer_id":41948041379943,"sku":"AC-DC-35-200-GR-8Pack-M","price":16.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/RGPProductDisplay20-200LA.png?v=1792006427"},{"product_id":"2-7-8-threaded-oil-bath-hub-cap-dexter-k71-038-00","title":"RGP 6,000lb, 7,000lb, 8,000lb Trailer Axles 2-7\/8\" Oil Bath Dust Caps Replacement 2PCS","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUpgrade your trailer axle maintenance with this 2-pack of 2-7\/8\" threaded oil bath caps from Running Gear parts, designed as direct replacements for Dexter 6K-8K axles. These caps are commonly used on 8-lug Dexter drums including 8-219, 8-232, 8-285, and 8-286, as well as select 6,000 lb and 7,000 lb oil bath hubs. They also fit certain older 9,000 lb drum models manufactured before October 1989.\u003c\/p\u003e\n\u003cp\u003eEach oil bath cap features a durable metal construction with a 12-thread design for secure fitment. The included rubber plug and O-ring create a reliable seal, keeping lubricant inside the hub while blocking dirt, water, and road debris.\u003c\/p\u003e\n\u003cp\u003eWhether you're replacing a worn oil cap or upgrading your hub components, this 2-pack offers the perfect balance of strength, fit, and protection for your Dexter axle setup-ideal for livestock trailers, utility haulers, RVs, and heavy-duty cargo applications.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's include by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2 Oil bath caps \u003cbr\u003e2 O-ring\u003cbr\u003e2 Plugs \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSize: 2-7\/8\" Threaded Cap\u003cbr\u003eMaterial: Heavy-duty metal with rubber plug \u0026amp; O-ring\u003cbr\u003eThread: 12-thread design for secure attachment\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM Part Number \u0026amp; Compatibility\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCompatible with Dexter K71-038-00\u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":41948045475943,"sku":"AC-DC-8K-GR-M","price":29.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/2-7-8-oil-bath-hub-cap-threaded-trailer-oil-cap-dexter-replacement-image-1.png?v=1792001969"},{"product_id":"trailer-supplies-2pc-4-threaded-oil-bath-cap-replacement-for-dexter-10khd-12k-15k-trailer-axles-replaces-k71-148-00-oc-86510-16-21-36","title":"RGP 10,000lb HD, 12,000 lb, 15,000 lb Trailer Axle 4\" Threaded Oil Bath Cap, Before 2009, 2PC","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eUpgrade your trailer's hub system with this heavy duty 4\" oil bath hub cap kit, designed as a direct replacement for Dexter part #21-36. Built for 10K (HD), 12K, and 15K trailer axles, this aftermarket cap features a threaded design with a 4\" outer diameter and 12 threads per inch,  ensuring a secure, precise fit on compatible hubs. \u003c\/p\u003e\n\u003cp\u003eConstructed for durability and long-term performance, the kit includes a rubber fill plug and O-ring to create a tight, leak-resistant seal that helps maintain proper oil levels and protect internal hub components. This cap is ideal for heavy duty towing applications where reliable lubrication is critical. \u003c\/p\u003e\n\u003cp\u003eImportant fitment note: This oil bath cap is NOT compatible with Dexter 10K  general duty axles manufactured in 2009 or newer (Dexter #21-88 style). Always confirm your hub's thread size and axle type before ordering to ensure proper fit and performance. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's include: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eIncludes 2 hub caps, 2 o-rings, and 2 plugs\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003cbr\u003e\n\u003c\/h3\u003e\n\u003cp\u003eOutside diameter: 4\" \u003cbr\u003eThread: 4\"-12\u003cbr\u003eDepth: 1-1\/2\"\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM Replacement Part Number: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eReplace part number: K71-148-00\u003cbr\u003eOil caps: 021-036-00\u003cbr\u003eO-Rings: 010-050-00\u003cbr\u003ePlugs: 046-032-00\u003cbr\u003eFits Dexter 9K hubs (before 2009)\u003cbr\u003eFits Dexter 10K, 12K, and 15K hubs (before 2009)\u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":41948046000231,"sku":"AC-DC-10K-GR-DB-M","price":24.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/Dexter_10_000lb_HD_two_clear_metal_cap.png?v=1792528854"},{"product_id":"4-pack-2-75-od-greaseable-dust-caps-with-rubber-plugs-8-lug-7k-8k-axles","title":"RGP 7,000 -8,000 lbTrailer Axles 2.75\" OD Greaseable Dust Caps with Rubber Plugs, for 8-Lug","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThese greaseable trailer hub dust caps are designed to fit hubs with a 2.75\" bore, commonly found on 7,000 - 8,000 lb axle assemblies with 8-lug, 6.5\" bolt patterns. Built for dependable performance, they provide a secure press-fit seal that helps keep grease in while blocking out dirt, moisture, and road debris, extending wheel bearing life and supporting smooth, reliable towing. \u003c\/p\u003e\n\u003cp\u003eConstructed from heavy duty carbon steel with a zinc-plated finish, these dust caps offer excellent resistance to rust and corrosion in everyday road and weather conditions. Each cap includes a built-in rubber plug, allowing quick and clean greasing access without removing the cap, which reduces maintenance time and mess. Available in pack of 4 or pack of 10, they're ideal for fleet maintenance, multi-axle trailers, or stocking shop inventory with durable, OEM fit replacement parts. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's include by Kit option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e4-Pack \u003c\/strong\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(4) Greaseable trailer hub dust caps - 2.75\" OD\u003cspan\u003e ×\u003c\/span\u003e 1.5\" H, with pre-installed rubber plugs\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8-Pack \u003c\/strong\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(8) Greaseable trailer hub dust caps - 2.75\" OD x 1.5\" H, with pre-installed rubber plugs\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch3\u003e\n\u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp\u003eOuter diameter: 2.75\"\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM Replacement \/ Compatible With:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDexter 021-043-01\u003cbr\u003eFits most 7K-8K axles from Dexter, TK, Texas Pride, Lippert, and Rockwell American\u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"4 Piece","offer_id":41957576048743,"sku":"AC-DC-7k-275-GR-4Pack-M","price":13.89,"currency_code":"USD","in_stock":true},{"title":"8 Piece","offer_id":41957576081511,"sku":"AC-DC-7k-275-GR-8Pack-M","price":23.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/7k-8k-trailer-axle-grease-caps-2-75-in-od-8-lug-hubs-image-1.png?v=1792001853"},{"product_id":"4-pack-2-44-greaseable-dust-caps-rubber-plug-6-lug-5200-6000-lb-axles","title":"RGP 5,200-6,000 lb Trailer Axles 2.44\" OD Greaseable Dust Caps with Rubber Plugs, for 6-Lug","description":"\u003ch3 dir=\"ltr\"\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eKeep you trailer's wheel bearings well protected and east to service with galvanized grease cap, engineered for standard 2.44\" hub bores used on 5,200 - 6,000 lb axles with 6-lug, 6 on 5.5\" bolt patterns. Its heavy duty galvanized steel construction resists corrosion, rust, and harsh road conditions, extending service life and reducing frequent replacements, ideal for utility, equipment, boat, and cargo trailers. \u003c\/p\u003e\n\u003cp\u003eThe grease cap's reliable press-fit seal keeps grease in and contaminants out, helping protect bearings from dirt, water, and road debris. A built-in rubber plug allows quick access for lubrication without removing the entire cap, making maintenance fast and low-effort. Available in pack of 4 or pack of 10, this grease cap is perfect for fleet maintenance, multi-axle trailers, or stocking your workshop inventory with quality, durable components. \u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's include by Kit option:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e4-Pack \u003c\/strong\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e(4) Greaseable trailer hub dust caps - 2.44\" OD x 1.5\" H, with pre-installed rubber plugs\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e8-Pack \u003c\/strong\u003e\u003cstrong\u003eKit Includes:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e(8) Greaseable trailer hub dust caps - 2.44\" OD x 1.5\" H, with pre-installed rubber plugs\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eCompact design of 2.44\" \u003cspan\u003ex 1.52\" x 1.18\" to fit specific needs. \u003cbr\u003eOuter diameter: 2.44\"\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eOEM Replacement \/ Compatible With:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eDexter 021-042-01\u003cbr\u003eFits most 5.2K-6K axles from Dexter, TK, Texas Pride, Lippert, Rockwell American, etc.\u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"4 Piece","offer_id":41957576114279,"sku":"AC-DC-6K-250-GR-4Pack-M","price":10.89,"currency_code":"USD","in_stock":true},{"title":"8 Piece","offer_id":41957576147047,"sku":"AC-DC-6K-250-GR-8Pack-M","price":19.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/RGPProductDisplay20-250LA.png?v=1792001990"},{"product_id":"dexter-k71-315-00-1-99-ez-lube-grease-cap-kit","title":"Dexter 3,500 lb Axle,1.99\" E-Z Lube Grease Cap \u0026 Rubber Plug Kit, Chrome, K71-315-00","description":"\u003ch3\u003e\u003cstrong\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eProduct Overview: \u003c\/span\u003e\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eReplace worn, damaged, or missing hub caps with the \u003cstrong\u003eDexter K71-315-00 E-Z Lube® Grease Cap \u0026amp; Rubber Plug Kit\u003c\/strong\u003e. Designed for compatible \u003cstrong\u003eDexter 7\", 10\" x 1-1\/2\", and 10\" x 2-1\/4\" hub assemblies\u003c\/strong\u003e, this kit includes two \u003cstrong\u003e1.99\" OD chrome grease caps\u003c\/strong\u003e and two matching rubber plugs for servicing both hubs on one trailer axle. \u003c\/p\u003e\n\u003cp\u003eThe E-Z Lube® design provides convenient access to the spindle grease fitting through the removable rubber plug, allowing routine bearing lubrication without removing the complete grease cap. The drive-in cap fits into the compatible hub bore while helping retain grease and protect the wheel bearing area from dirt, moisture, and road debris during normal trailer use.\u003c\/p\u003e\n\u003cp\u003eEach kit includes \u003cstrong\u003etwo Dexter 021-041-01 grease caps and two 085-001-00 rubber plugs\u003c\/strong\u003e, providing the components needed to replace the E-Z Lube® caps on both hubs of one axle. For proper fitment, verify the hub configuration and \u003cstrong\u003e1.99\" grease cap outside diameter\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Include by Kit Option:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2 x Rubber Plug (085-001-00)\u003c\/p\u003e\n\u003cp\u003e2 x E-Z Lube® Grease Cap, 1.99\" OD, Chrome (021-041-01)\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Dexter\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eProduct type: E-Z Lube Grease Cap \u0026amp; Rubber Plug Kit\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMPN: K71-315-00\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGrease cap part number: 021-041-01\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRubber plug part number: 085-001-00\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGrease cap outside diameter: 1.99\"\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGrease cap finish: Chrome\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHub compatibility: Dexter 7\", 10\" x 1-1\/2\", and 10\" x 2-1\/4\" hubs\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eLubrication system: E-Z Lube®\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eInstallation style: Drive-in\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eKit quantity: 2 grease caps and 2 rubber plugs\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAxle coverage: 1 axle \/ 2 hubs\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":43798584197223,"sku":"K71-315-00","price":12.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/Dexter_902541f5-3977-4aa3-9bf5-3d34b8d52418.png?v=1792003059"},{"product_id":"dexter-k71-317-00-2-45-ez-lube-grease-cap-kit","title":"Dexter 4,400–6,000 axle, 2.45\" E-Z Lube Grease Cap \u0026 Rubber Plug Kit, Chrome, 5 \u0026 6-Bolt Hubs,K71-317-00","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eReplace worn, damaged, or missing hub caps with the \u003cstrong\u003eDexter K71-317-00 E-Z Lube® Grease Cap \u0026amp; Rubber Plug Kit\u003c\/strong\u003e. Designed for compatible \u003cstrong\u003eDexter 12\" x 2\" trailer hub assemblies with 5- and 6-bolt configurations\u003c\/strong\u003e, this kit includes two \u003cstrong\u003e2.45\" OD chrome grease caps\u003c\/strong\u003e and two matching rubber plugs for servicing both hubs on one trailer axle.\u003c\/p\u003e\n\u003cp\u003eThe E-Z Lube® design provides convenient access to the spindle grease fitting through the removable rubber plug, allowing routine bearing lubrication without removing the complete grease cap. The drive-in grease cap fits securely into the compatible hub bore while helping retain grease and protect the wheel bearing area from dirt, moisture, and road debris during normal trailer use.\u003c\/p\u003e\n\u003cp\u003eEach kit includes \u003cstrong\u003etwo Dexter 021-042-01 grease caps and two 085-001-00 rubber plugs\u003c\/strong\u003e. The 2.45\" cap size is commonly used on compatible Dexter trailer hub applications in the \u003cstrong\u003e4.4K–6K axle range\u003c\/strong\u003e. Because hub and cap configurations can vary within the same axle capacity, verify the \u003cstrong\u003e2.45\" cap outside diameter and hub configuration\u003c\/strong\u003e before ordering.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Include by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2 x Rubber Plug (085-001-00)\u003c\/p\u003e\n\u003cp\u003e2 x E-Z Lube® Grease Cap, 2.45\" OD, Chrome (021-042-01)\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Dexter\u003c\/p\u003e\n\u003cp\u003eProduct type: E-Z Lube Grease Cap \u0026amp; Rubber Plug Kit\u003c\/p\u003e\n\u003cp\u003eMPN: K71-317-00\u003c\/p\u003e\n\u003cp\u003eGrease cap part number: 021-042-01\u003c\/p\u003e\n\u003cp\u003eRubber plug part number: 085-001-00\u003c\/p\u003e\n\u003cp\u003eTypical axle application: 4,400–6,000 lb trailer axle applications with compatible hubs\u003c\/p\u003e\n\u003cp\u003eHub compatibility: Dexter 12\" x 2\" trailer hubs\u003c\/p\u003e\n\u003cp\u003eBolt configuration: 5- and 6-bolt hub applications\u003c\/p\u003e\n\u003cp\u003eGrease cap outside diameter: 2.45\"\u003c\/p\u003e\n\u003cp\u003eGrease cap finish: Chrome\u003c\/p\u003e\n\u003cp\u003eLubrication system: E-Z Lube®\u003c\/p\u003e\n\u003cp\u003eInstallation style: Drive-in\u003c\/p\u003e\n\u003cp\u003eKit quantity: 2 grease caps and 2 rubber plugs\u003c\/p\u003e\n\u003cp\u003eAxle coverage: 1 axle \/ 2 hubs\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":43798599139431,"sku":"K71-317-00","price":30.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/Dexter_deab568c-a3f6-4e14-a8a5-ad1d6af685d1.png?v=1791479409"},{"product_id":"5-24-dexter-e-z-lube-grease-cap-and-rubber-plug-kit-2-72-od-chrome-fits-12-x-2-hub-8-bolt-k71-319-00","title":"Dexter 5,200–7,000 lb trailer axle,E-Z Lube Grease Cap \u0026 Plug Kit, 2.72\" OD Chrome, 8-Bolt 12\" x 2\" Hubs,  K71-319-00","description":"\u003ch3\u003e\u003cstrong\u003ePRODUCT OVERVIEW\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eKeep your trailer hub bearings protected and easy to service with the \u003cstrong\u003eDexter K71-319-00 E-Z Lube® Grease Cap \u0026amp; Rubber Plug Kit\u003c\/strong\u003e. Designed for compatible \u003cstrong\u003e5,200–7,000 lb trailer axle applications using 12\" x 2\" 8-bolt hubs\u003c\/strong\u003e, this kit features \u003cstrong\u003e2.72\" OD chrome grease caps\u003c\/strong\u003e that provide the correct fit for matching Dexter E-Z Lube® hub assemblies.\u003c\/p\u003e\n\u003cp\u003eThe E-Z Lube® design allows convenient access to the spindle grease fitting through the removable rubber plug, so routine bearing lubrication can be performed without removing the grease cap. Each drive-in cap helps retain grease inside the hub while protecting the bearing cavity from dirt, moisture, and road debris during normal trailer operation.\u003c\/p\u003e\n\u003cp\u003eEach kit includes \u003cstrong\u003etwo Dexter 021-043-01 grease caps and two 085-001-00 rubber plugs\u003c\/strong\u003e, providing enough components to service both hubs on one axle. Ideal for replacement or routine trailer maintenance, the K71-319-00 is intended for \u003cstrong\u003ecompatible 5.2K–7K trailer applications with 12\" x 2\" 8-bolt hubs that use a 2.72\" OD E-Z Lube® grease cap\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"font-size: 0.875rem;\"\u003eWHAT'S INCLUDED\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"markdown markdown-main-panel stronger enable-updated-hr-color\" id=\"model-response-message-contentr_052ca674d5221fec\" dir=\"ltr\"\u003e\n\u003cp\u003e2 x Rubber Plug (085-001-00)\u003c\/p\u003e\n\u003cp\u003e2 x Grease Cap 2.72\" OD Chrome (021-043-01)\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Dexter\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eProduct type: E-Z Lube Grease Cap \u0026amp; Plug Kit\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMPN: K71-319-00\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGrease cap part number: 021-043-01\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eRubber plug part number: 085-001-00\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGrease cap outside diameter: 2.72\"\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eGrease cap finish: Chrome\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHub compatibility: Dexter 12\" x 2\" hubs\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eHub bolt configuration: 8 bolt\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eLubrication system: E-Z Lube®\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eKit quantity: 2 grease caps and 2 rubber plugs\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAxle coverage: 1 axle \/ 2 hubs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!----\u003e\n\u003c\/div\u003e","brand":"RunningGearParts.com","offers":[{"title":"Default Title","offer_id":43798609363047,"sku":"K71-319-00","price":29.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/Dexter_86dac858-fc0c-4ae2-abed-c67a16197ae4.png?v=1791479327"},{"product_id":"trailer-parts-pro-rg04-040-ez-lube-grease-cap-kit","title":"Trailer Parts Pro 2,000 lb 3,500 lb Zerk Lube Axles E-Z Lube Hub Grease Caps with Rubber Plugs, 1.986\" OD, 2-Pack, RG04-040","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis high-quality replacement kit features E-Z Lube grease caps designed to deliver maximum protection for 2K and 3.5K trailer axles. Crafted from cold-rolled stamped steel, each modified dome grease cap features a precise Zerk lube cut-out to simplify hub lubrication maintenance. Complete with secure rubber push-pop in seals, these drive-in caps keep road contaminants out and vital grease locked inside your hub assemblies.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2 x E-Z Lube grease caps\u003c\/p\u003e\n\u003cp\u003e2 x Rubber plugs\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Trailer Parts Pro\u003c\/p\u003e\n\u003cp\u003eManufacture Part Number: RG04-040\u003c\/p\u003e\n\u003cp\u003eAlternate Item Numbers: 7700025-10, PP21-3-AL\u003c\/p\u003e\n\u003cp\u003eOuter Diameter (OD): 1.986\"\u003c\/p\u003e\n\u003cp\u003eFitment: 2K and 3.5K axles\u003c\/p\u003e\n\u003cp\u003eMaterial: Cold-rolled stamped steel\u003c\/p\u003e\n\u003cp\u003eDesign: Modified dome with Zerk lube cut-out\u003c\/p\u003e\n\u003cp\u003eInstallation Type: Drive-in\u003c\/p\u003e\n\u003cp\u003ePackage Type: Retail Packaged\u003c\/p\u003e","brand":"TPP","offers":[{"title":"Default Title","offer_id":43944518058087,"sku":"AC-GC-198-T","price":8.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/TRAILER_PARTS_PRO_2_000_LB_3_500_LB_ZERK_LUBE_AXLES_E-Z_LUBE_HUB_GREASE_CAPS.png?v=1792445035"},{"product_id":"trailer-parts-pro-rg04-080-grease-cap-kit","title":"Trailer Parts Pro 5,200-6,000 lb Zerk Lube Axles with 6 Bolt Hubs Dust\/Grease Caps with Rubber Plugs, 2.440\" OD, 2-Pack RG04-080","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis premium replacement grease cap kit provides reliable protection for 5.2K and 6K trailer axles featuring 6-bolt hubs. Stamped from heavy-duty cold-rolled steel, the standard profile cap includes a dedicated cut-out designed specifically for Zerk lube hub systems. The included rubber push-pop in seals ensure a secure fit to block road debris, dust, and moisture from contaminating the wheel bearings.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2 x Dust \/ Grease Caps\u003c\/p\u003e\n\u003cp\u003e2 x Rubber Plugs\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Trailer Parts Pro\u003c\/p\u003e\n\u003cp\u003eManufacture Part Number: RG04-080\u003c\/p\u003e\n\u003cp\u003eAlternate Item Numbers: 7700016-10, PP21-1-AL\u003c\/p\u003e\n\u003cp\u003eOuter Diameter (OD): 2.440\"\u003c\/p\u003e\n\u003cp\u003eFitment: 5.2K and 6K axles with 6 bolt hubs\u003c\/p\u003e\n\u003cp\u003eMaterial: Cold rolled stamped steel\u003c\/p\u003e\n\u003cp\u003eDesign: Standard cap with Zerk lube cut-out and rubber push-pop in seal\u003c\/p\u003e\n\u003cp\u003eInstallation Type: Drive-in\u003c\/p\u003e\n\u003cp\u003ePackage Type: Retail Packaged\u003c\/p\u003e\n\u003cp\u003ePackage Quantity: 2\u003c\/p\u003e","brand":"TPP","offers":[{"title":"Default Title","offer_id":43944518090855,"sku":"AC-GC-244-T","price":10.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/TRAILER_PARTS_PRO_5_200_6_000_LB_ZERK_LUBE_AXLESTRAILER_PARTS_PRO_5_200_6_000_LB_ZERK_LUBE_AXLES.png?v=1792445049"},{"product_id":"trailer-parts-pro-rg04-120-ez-lube-grease-cap-kit","title":"Trailer Parts Pro 5,200-7,000 lb Zerk Lube Axles Dust\/Grease Caps with Rubber Plugs, E-Z Lube,2.720\" OD, 2-Pack RG04-120","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis premium replacement kit features heavy-duty E-Z Lube grease caps engineered to provide maximum protection for 5.2K to 7K trailer axles with 8-bolt hubs. Stamped from cold-rolled steel, each dome-style cap includes a precise Zerk lube cut-out to streamline routine hub lubrication maintenance. Complete with rubber push-pop in plugs, these drive-in caps reliably shield wheel bearings from dirt, dust, and moisture while keeping essential grease fully contained.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e2 x E-Z Lube Grease Caps\u003c\/p\u003e\n\u003cp\u003e2 x Rubber Plugs\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Trailer Parts Pro\u003c\/p\u003e\n\u003cp\u003eManufacture Part Number: RG04-120\u003c\/p\u003e\n\u003cp\u003eAlternate Item Numbers: 7700018-10, PP1605-AL\u003c\/p\u003e\n\u003cp\u003eOuter Diameter (OD): 2.720\"\u003c\/p\u003e\n\u003cp\u003eAxle Compatibility: 5.2K - 7K Zerk Lube\u003c\/p\u003e\n\u003cp\u003eHub Compatibility: 8 Bolt Hubs, Dexter 35mm Nev-R-Lube Hubs\u003c\/p\u003e\n\u003cp\u003eMaterial: Cold Rolled Stamped Steel\u003c\/p\u003e\n\u003cp\u003eDesign: Dome Cap with Zerk Lube Cut-Out\u003c\/p\u003e\n\u003cp\u003eInstallation Type: Drive-in\u003c\/p\u003e\n\u003cp\u003ePackage Type: Retail Packaged\u003c\/p\u003e\n\u003cp\u003ePackage Quantity: 2\u003c\/p\u003e","brand":"TPP","offers":[{"title":"Default Title","offer_id":43944518156391,"sku":"AC-GC-272-T","price":29.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/two_silver_metal_axle_dust_grease_caps.png?v=1792445069"},{"product_id":"trailer-parts-pro-rg04-230-oil-cap-kit","title":"Trailer Parts Pro 6,000lb 7,000lb 8,000lb 9,000 lb (8-bolt) Dexter Axles, Oil Cap Replacement Kit, RG04-230","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis premium oil cap replacement kit is designed to provide a secure, leak-proof seal for 6K, 7K, 8K, and select 9K 8-bolt trailer axles. It serves as a direct replacement component engineered to preserve proper hub lubrication and protect internal wheel bearings from outside contaminants. 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It serves as a direct replacement component engineered to preserve proper hub lubrication and protect internal wheel bearings from outside contaminants. The durable construction ensures optimal compatibility and seamless fitment for single wheel servicing needs.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e1 x Oil Cap\u003c\/p\u003e\n\u003cp\u003e1 x Plug\u003c\/p\u003e\n\u003cp\u003e1 x O-Ring\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Trailer Parts Pro\u003c\/p\u003e\n\u003cp\u003eManufacture Part Number: RG04-250\u003c\/p\u003e\n\u003cp\u003eInner Diameter (ID): 3.750\"\u003c\/p\u003e\n\u003cp\u003eAxle Compatibility: 10K to 16K AL-KO\/Hayes\u003c\/p\u003e\n\u003cp\u003eKit Services: 1 Wheel\u003c\/p\u003e\n\u003cp\u003ePackage Type: Retail Packaged\u003c\/p\u003e","brand":"TPP","offers":[{"title":"Default Title","offer_id":43944518221927,"sku":"AC-OCK-10k-16k-Alko-T","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/Oil_cap_replacement_kit_for_trailer_parts.png?v=1792445114"},{"product_id":"trailer-parts-pro-rg04-270-oil-cap-kit","title":"Trailer Parts Pro 9,000-10,000lb General Duty Dexter Axles, Oil Cap Replacement Kit, Before July 2009, RG04-270","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis high-quality oil cap replacement kit is designed for 9K and 10K general duty Dexter axles manufactured through July 2009 with two-piece hub-drums. The premium construction also provides a precise fit for Dexter 10K HD to 15K hubs, ensuring maximum bearing protection across multiple heavy-duty applications. This all-in-one servicing solution helps effectively lock in vital lubrication while keeping dirt and road moisture completely sealed out of your wheel assembly.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat's Included by Kit Option: \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003e1 x Oil Cap\u003c\/p\u003e\n\u003cp\u003e1 x O-Ring\u003c\/p\u003e\n\u003cp\u003e1 x Plug\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eBrand: Trailer Parts Pro\u003c\/p\u003e\n\u003cp\u003eManufacture Part Num\u003cimg\u003eber: R\u003cimg\u003eG04-270\u003c\/p\u003e\n\u003cp\u003eAlternate Item Numbe\u003cimg\u003ers: 7700030-10, PP21-36\u003c\/p\u003e\n\u003cp\u003eOuter Diameter: 4\" OD\u003c\/p\u003e\n\u003cp\u003eFitment: Dexter 9-10K general duty axles (through 7\/2009 with 2pc hubs), Dexter 10K HD to 15K hubs\u003c\/p\u003e\n\u003cp\u003eKit Services: 1 Wheel\u003c\/p\u003e\n\u003cp\u003ePackage Type: Retail Packaged\u003c\/p\u003e","brand":"TPP","offers":[{"title":"Default Title","offer_id":43944518254695,"sku":"AC-OCK-4-Dexter-T","price":28.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0627\/8617\/5079\/files\/Trailer_Parts_Pro_9_000_10_000_lb_General_Duty_Dexter_Axles_Oil_Cap_Replacement_Kit.png?v=1792445148"},{"product_id":"trailer-parts-pro-rg04-300-oil-cap-kit","title":"Trailer Parts Pro 9,000-10,000 lb General Duty Dexter Axles Oil Cap Replacement Kit, After July 2009, RG04-300","description":"\u003ch3\u003e\u003cstrong\u003eProduct Overview:\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThis premium screw-in plastic oil cap replacement kit is designed for 9K and 10K general duty Dexter trailer axles manufactured after July 2009. 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