The Meritor Brake Spider, part number A12-3211P3448 or A123211P3448, is a drum brake foundation component engineered to Meritor's OEM specifications. It features an 8.25-inch bolt circle diameter and a 6.75-inch pilot diameter, two dimensions that are critical for confirming correct fitment to your axle end. The spider anchors the S-cam brake assembly, holding the brake shoes, cam, and related hardware in position at the wheel end. This is a genuine Meritor part sold by Pro Gear and Transmission. Not certain this is the right spider for your axle? Give us a call before ordering.
Features
Part number: A12-3211P3448 or A123211P3448
Bolt circle diameter: 8.25 in.
Pilot diameter: 6.75 in.
VMRS Code: 013-002-105 (Brake Spider)
Genuine Meritor OEM brake component
Anchors S-cam drum brake assembly at the wheel end
Tech Specs
- Bolt Circle Diameter: 8.25 in.
- Pilot Diameter: 6.75 in.
- VMRS Code: 013-002-105
