The Meritor brake spider A3211J5054 is a genuine OEM drum brake spider designed for heavy-duty truck axle applications. It features a 7.25-inch bolt circle diameter and a 5.75-inch pilot diameter, two dimensions that are critical for confirming proper axle-end fitment before ordering. The spider anchors the S-cam brake assembly to the axle flange, locating the brake shoes and providing the mounting surface for the camshaft bracket. VMRS code 013-002-105 classifies it under brake spider in the standard heavy-duty parts taxonomy. Sold by Pro Gear and Transmission. Call us to confirm this spider matches your axle configuration.
Features
Genuine Meritor OEM brake spider, part number A3211J5054
7.25 in. bolt circle diameter
5.75 in. pilot diameter
Anchors S-cam drum brake assembly to the axle flange
VMRS code 013-002-105 (brake spider classification)
Sold by Pro Gear and Transmission
Tech Specs
- Bolt Circle Diameter: 7.25 in.
- Pilot Diameter: 5.75 in.
- VMRS Code: 013-002-105 (Brake Spider)
