TRAILER PARTS PRO EB01-135 Redline 12 1/4in 8-9K RH Elec Drum Brake

12-1/4" x 3-3/8" 8,000lbs-9,000lbs(with a 4 bolt flange) Right hand electric brake. Complete assembly. Self-adjusting design keeps shoes properly aligned for longer-lasting brake that requires less maintenance. Axle bore diameter: 3-7/8". Mounts with 4 bolts (not included). Locknuts-6-46 and bolts-7-97 sold separately.» Was redesigned with forward self-adjusting feature in June 1996.

Was redesigned with a cast backing plate in May 2000 replacing the stamped version.These components have passed the CSA Standard CAN3-D313-M85 For Trailer Running Gear, a stringent standard mandated by the Government to assure brake effectiveness and structural integrity of the components.
ISO/TS 16949:2002 certified

• Fits Dexter 8,000lb-9,000lb axles(with cast backing and 4 bolt flange)
• For use with a 12 1/4" inside diameter and 3 3/8" depth drum
• Shoes are 3-3/8" wide
• Self-adjusting
• Right hand(passenger's side)
• Complete assembly ready to install

Please refer to the diagram Image for these measurements

To determine the size of the brake, you need 2 measurements. The first is the diameter of the brake(D). The second is the width of the shoe(W). It is good to take note of how many mounting bolts the brake has.