K120550N
Spider Pin Assembly
Bendix

An essential linkage assembly that forms the interface between actuation elements and the shoe set. The spider provides a central hub for pins and levers, while the pins serve as pivotal points for shoe guidance and synchronized expansion during braking cycles. This arrangement promotes balanced drag and even heat distribution across the drum surface, contributing to longer lining life and more predictable stopping performance. Field service emphasizes inspecting pins for wear and spider arms for cracks, replacing worn components to avoid misalignment that can cause uneven wear or reduced braking efficiency. While exact dimensions are not listed here, the part family aligns with Bendix actuation linkages common to S‑cam drum systems, supporting straightforward cross‑reference with maintenance manuals. VMRS code 013-001-088 anchors this item in the actuation linkage category, aiding planning and stocking for efficient repair workflows in fleets operating mixed drum brakes.