The Meritor brake spider A3211G4375 is a genuine OEM drum brake component designed for heavy-duty truck axle applications. This spider mounts the brake shoes and hardware at the axle end, providing the anchor point for the entire drum brake assembly. Key dimensional specs from the manufacturer data: 7.25 in. bolt circle diameter and 5.75 in. pilot diameter. These two measurements are the critical fitment checks when sourcing a replacement spider. VMRS Code 013-002-105 classifies this part within the standard brake spider category. Available from Pro Gear and Transmission. Call us to confirm this spider fits your specific axle configuration before ordering.
Features
Genuine Meritor OEM brake spider, part number A3211G4375
7.25 in. bolt circle diameter
5.75 in. pilot diameter
VMRS Code 013-002-105 (brake spider category)
Anchors brake shoes and hardware at the axle end in drum brake assemblies
Tech Specs
- Bolt Circle Diameter: 7.25 in.
- Pilot Diameter: 5.75 in.
- VMRS Code: 013-002-105
