Meritor brake spider A3211W5639 is a genuine Meritor OEM drum brake component designed for heavy-duty truck axle applications. The spider mounts to the axle flange and serves as the anchor plate for brake shoes, cam hardware, and associated brake components. This part features a 5.75 in. pilot diameter and a 7.25 in. bolt circle diameter, two of the key dimensions used to confirm proper fitment to the correct axle end. VMRS Code 013-002-105 classifies this as a brake spider under the standard Heavy Duty vehicle maintenance coding system. Call Pro Gear and Transmission to confirm this spider fits your specific axle before ordering.
Features
Genuine Meritor OEM brake spider part number A3211W5639
Pilot diameter: 5.75 in.
Bolt circle diameter: 7.25 in.
VMRS Code: 013-002-105 (Brake Spider classification)
Anchors brake shoes and cam hardware to the axle flange
Call Pro Gear and Transmission to verify fitment for your axle
Tech Specs
- Pilot Diameter: 5.75 in.
- Bolt Circle Diameter: 7.25 in.
- VMRS Code: 013-002-105
