At a Glance
- >Complete LEFT and RIGHT electric brake assembly pair
- >12.25" diameter × 2.5" brake width
- >4-bolt mounting flange
- >Electric brake configuration
- >FSA-style brake assemblies
- Brand: R and P Carriages
- SKU: K23-622-623-KIT
Match the part number, measurements and connection points that apply to your trailer.
| Hub Face | Measure hub face to hub face. |
|---|---|
| Spring Center | Measure mounting centers and confirm perch configuration. |
| Capacity | Match the required axle rating. |
| Brakes | Confirm brake type and flange configuration. |

Part Number: K23-622-623-KIT
This listing is for a matched pair of electric trailer brake assemblies consisting of one left-hand and one right-hand unit. These brakes feature a 12.25" drum diameter with a 2.5" shoe width and a 4-bolt mounting flange. Commonly used on 8,000 lb trailer axles and select 7,200 lb electric brake applications.
| Brake Type | Electric |
| Brake Size | 12.25" × 2.5" |
| Mounting Flange | 4-bolt |
| Position | Left & Right (pair) |
| Axle Rating Application | 8,000 lb (also used on select 7,200 lb electric systems) |
| Compatibility Note | FSA-style brake assemblies |
Commonly installed on trailers equipped with 8K electric brake axles utilizing a 12.25" × 2.5" brake size and 4-bolt mounting flange. Also used on certain 7.2K electric brake setups. Always confirm brake dimensions, axle rating, and mounting flange pattern before ordering.
Selected from R&P customer feedback for Trailer Axle / Running Gear products and related trailer service.
“Got me the axle I needed right away with custom spring perch setting.”
“Had a trailer made to my needs.ken was able to get it done and at a price that was very acceptable.i have bought parts there for 2 other trailers and always in stock”
“Quality work. Staff is polite. Great job welding a project for me. Didn't even want to charge me, so I bought them a case of Corona. They were ecstatic. I ever need a welding or like that R&P Carriages is #1 !!!!!”
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