The Meritor brake spider A3211F5180 is a genuine OEM drum brake component designed for heavy-duty truck axle applications. Key mounting dimensions include a 7.25-inch bolt circle diameter and a 5.50-inch pilot diameter, which are critical for confirming proper fitment to the axle housing before ordering. The spider serves as the anchor plate for the brake shoes and S-cam hardware, holding the entire foundation brake assembly in position at the wheel end. VMRS Code 013-002-105 classifies this part under brake spiders in the standard fleet maintenance coding system. Sold by Pro Gear and Transmission. Call us to confirm this spider matches your axle before ordering.
Features
Genuine Meritor OEM brake spider, part number A3211F5180
Bolt circle diameter: 7.25 in.
Pilot diameter: 5.50 in.
VMRS Code 013-002-105 (brake spider classification)
Anchors brake shoes and S-cam hardware at the wheel end
Sold by Pro Gear and Transmission
Tech Specs
- Bolt Circle Diameter: 7.25 in.
- Pilot Diameter: 5.50 in.
- VMRS Code: 013-002-105
