Pair of Rockwell Quality 12-1/4 x 3-1/2 Electric Brake 5 Hole Backing Plate 10K (4738-P)

Pair of Rockwell 12-1/4 x 3-1/2 Electric Brake 5 Hole Backing Plate AssemblyKIT Number: 4738-P Part Numbers: 4738-R and 4738-L Auction Left and 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.