RGP 12,000 lb Trailer Axle Hydraulic Brake Assembly – 12-1/4" x 5", Self-Adjusting, 7-Bolt
RGP 12,000 lb Trailer Axle Hydraulic Brake Assembly – 12-1/4" x 5", Self-Adjusting, 7-Bolt - Left Hand / Driver Side is backordered and will ship as soon as it is back in stock.
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Care information
Care information
To ensure optimal performance and extend the service life of your new trailer components, please follow these care guidelines after purchase:
- Before installation, check all parts for shipping damage or missing components. Do not install damaged parts.
- Always use correct tools and torque settings. Improper installation can lead to premature wear or failure.
- For bearings, suspensions, and brake components, apply high-quality trailer grease before first use if not pre-greased.
- Some parts (like brake assemblies) require a short break-in period to achieve full performance. Follow manufacturer instructions for best results.
- Recheck fasteners, grease levels, and moving components after 100 miles of towing, then at regular intervals.
- After exposure to water, road salt, or mud, clean and dry parts thoroughly. Apply anti-rust treatment if needed.
- If storing unused parts, keep them in a dry, sealed container away from moisture and direct sunlight.
Delivery and Shipping
Delivery and Shipping
Handling Time: Orders ship out within 1 business day after payment is received.
Shipping Methods: We use trusted carriers like UPS, FedEx, or USPS based on package size and destination.
Delivery Time: Estimated delivery within 2–6 business days (U.S. domestic orders).
Tracking: A tracking number will be provided once your order is dispatched.
RGP 12,000 lb Trailer Axle Hydraulic Brake Assembly – 12-1/4" ...
Product Overview
Designed for 12,000 lb trailer axles, this hydraulic drum brake assembly features a 12-1/4" x 5" brake size, forward self-adjusting operation, and a 7-bolt mounting configuration.
Available in left-hand, right-hand, and one-pair configurations, these brake assemblies provide replacement options for compatible heavy-duty trailer axle braking systems. The left-hand version cross-references Dexter 023-408-00 / K23-408-00, while the right-hand version cross-references 023-409-00 / K23-409-00.
Compatible applications include select Dexter, Lippert, and Besser Pro axle setups using the same 12,000 lb axle rating, brake dimensions, and 7-hole mounting configuration.
Always verify axle capacity, brake size, mounting flange pattern, and brake position before ordering.
Specifications
Compatible Axle Rating: 12,000 lb
Brake Type: Hydraulic Drum Brake
Adjustment Type: Forward Self-Adjusting
Brake Size: 12-1/4" x 5"
Brake Diameter: 12-1/4"
Brake Width: 5"
Mounting Flange: 7-Bolt / 7-Hole
Wheel Compatibility: 16"–17.5"
Available Positions: Left Hand / Right Hand
Mounting Hardware: Not Included
What’s Included
Left-Hand Configuration
1 × Left-Hand / Driver Side Hydraulic Brake Assembly
Brake shoes
Brake magnet
Springs and adjustment components
Backing plate
Right-Hand Configuration
1 × Right-Hand / Passenger Side Hydraulic Brake Assembly
Brake shoes
Brake magnet
Springs and adjustment components
Backing plate
One Pair Configuration
1 × Left-Hand / Driver Side Hydraulic Brake Assembly
1 × Right-Hand / Passenger Side Hydraulic Brake Assembly
Each brake assembly includes the brake shoes, magnet, backing plate, springs, and adjustment components.
OEM / Replacement Reference
Left Hand / Driver Side
Dexter: 023-408-00
Dexter Kit: K23-408-00
Right Hand / Passenger Side
Dexter: 023-409-00
Dexter Kit: K23-409-00
Payment & Security
Payment methods
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