12-1/4\" × 5\" Hydraulic Trailer Brake Kit — 12K–15K Axles (Left & Right Pair)
This listing is for a matched pair of hydraulic trailer brake assemblies
(one left-hand and one right-hand), commonly used on heavy-duty
12,000–15,000 lb trailer axles.
These brakes are typically used as replacements for Dexter-style hydraulic brake systems.
Verify axle rating, brake size, and mounting pattern before ordering.
Features
- Includes (1) left-hand and (1) right-hand hydraulic brake assembly
- Brake size: 12-1/4\" × 5\"
- Designed for 12K–15K axle applications
- 7-bolt mounting flange configuration
- Common replacement for Dexter hydraulic brake assemblies
- Mounting hardware not included
Specifications
Part Number
77-1212H-KIT
Brake Type
Hydraulic
Brake Size
12-1/4\" × 5\"
Mounting Flange
7-Bolt Pattern
Axle Rating
12,000–15,000 lbs
Included Components
(1) Left Brake, (1) Right Brake
Additional Information
This kit is commonly used during brake system replacement or axle service
on equipment trailers, deckover trailers, and commercial hauling applications.
Brake orientation is side-specific; confirm left and right placement during installation.
Fitment & Verification — Read Before Ordering
- Typically used on Dexter and Lippert (LCI) hydraulic brake axles
- Designed for 12,000–15,000 lb axle applications
- Requires a 7-bolt brake mounting flange
- Mounting bolts and hardware are not included
- Verify brake size, bolt pattern, and axle rating before purchase
View All Hydraulic Brake Parts
![Pair 12.25 x 5\](parts-image-large/g/SJIAAeSwRqBqmd8N/s-l1600/Pair-12-25-x-5-Hydraulic-Brakes-fits-Dexter-12K-15.jpg "Pair 12.25 x 5\")
