Rockwell American Pair Of 12-1/4 X 3-1/2 Electric Brake Backing Plates – 5 Hole, 10K

If you're building or repairing a trailer, these Rockwell American backing plates are exactly what you need.

They're a pair—left and right—for electric brakes, sized 12-1/4 inches by 3-1/2 inches, with a 5-hole pattern.

Rated for 10K, so they're heavy-duty.

Part numbers are 4738-L and 4739-R, and the set is listed as 4738-P.

They're brand new, never mounted.

Made for running gear, these plates are the foundation of your brake system.

Rockwell American is a solid brand in the trailer world.

They come with a warranty, so install with confidence.

If your old plates are rusted or bent, swap in these and get back on the road safely.