As vehicle fleets age across North America, Europe, the Middle East and Southeast Asia, demand for affordable, durable aftermarket suspension wear parts is accelerating. Here is what procurement managers should know before their next sourcing decision.The bac...

A control arm, also written as A-arm, A-frame, suspension arm, trailing arm or track control arm, is a guiding component of the suspension system. One end is connected to the subframe or the body through a bushing, and the other end is connected to the knuckl...

Building a Range That Sells as a System A stabilizer bar, also called a sway bar link assembly point or an anti-roll bar, is mounted on the subframe or the vehicle body, with its two ends connected to the left and right suspension lower control arms or shock ...

A bushing, also called a suspension bushing or control arm bushing, is installed at suspension control arms, stabilizer bar connection points, subframe to body attachment points and similar locations, positioned between two metal components. It provides an el...

Rebound Bumper Wholesale: A Practical Buying Guide for Distributors and Fleet Purchasers The first four parts of this series covered what a rebound bumper does, how to detect wear, how the part is manufactured and how it is installed. This fifth part turns to...

Buying a Small Part With a Large Effect The source row describes a piston ring, also called a piston band, fitted in the annular groove on the outer circumference of the shock absorber piston and reciprocating with the piston inside the working cylinder. Its ...

A spring seat, also called a spring isolator or spring spacer, is located on the exterior of the shock absorber body or at the upper end of the piston rod. It positions and supports the suspension coil spring, normally in contact with the lower or the upper e...

Sourcing Piston Rods for Resale and Rebuild The source row describes a shock piston rod as the moving component of a damper, connected to the piston assembly inside the cylinder and passing through the oil seal and guide seat to the vehicle body or suspension...

Sourcing Cabin Buffers for Fleets and Distributors The cabin buffer listed in the Bonpora source row is an elastic component, typically made from high-elasticity polyurethane, installed between the truck cab and the chassis frame. It performs the same functio...

Sourcing Off-Road Jounce Bumpers The jounce bumper described in the Bonpora source row is an elastic component typically made of high-elasticity polyurethane using MDI or NDI chemistry. It is installed in the suspension damper of off-road vehicles, including ...