12-1/4" x 3-1/2" Quality Left Electric Backing Plate Trailer Brake Rockwell 10K (4738-L)


Regular price $280.00

12-1/4 x 3-1/2 10K Left Hand Backing Plate
PN: 4738-L

Complete Left Hand (Passenger's side) brake assembly ready to bolt on.
Shoe size 12-1/4"  x 3-1/2" wide
Shoes are self adjusting, you will not have to manually adjust  
Fits 10,000 lb axles built by Quality/Rockwell axles
Bolts on with 5 bolts 
Simple 2 wire hook up

  • Replaces Rockwell American 10K 4738-L electric trailer brake
  • Right-hand 12-1/4" x 3-1/2" electric brake assembly
  • Cast backing plate with 5-hole mount
  • Auto adjusting electric brake assembly keeps your brakes adjusted automatically
  • All brake parts are assembled on the backing plate for quick replacement

This electric brake assembly is NOT used on Dexter axles. It is found on trailers with imported axles and is hard to find. So far, we know trailers made by Quality Trailer, H and H Trailer, J and J Trailer, and Lippert Trailer have been found to use this brake assembly, and we're sure there are others.