Threaded Bushing TB‑77 – Fits Kenworth Heavy‑Duty Truck Suspension Component freight A built-in grease fitting ensures

A built-in grease fitting ensures serviceability

Designed to maintain axle alignment and allow smooth pivoting of the equalizer beam

helping to extend the lifespan of cab mounts and related components

especially designed for SS44 series models

secure fit that resists loosening over time

Threaded Bushing TB‑77 – Fits Kenworth Heavy‑Duty Truck Suspension Component freight A built-in grease fitting ensuresThe TB 77 Threaded Bushing is a robust suspension component designed to fit a wide range of heavy duty truck and trailer applications. It features a 1 3 4" outer diameter and M32 4 thread, offering strong resistance to wear and movement in leaf spring and torque rod assemblies. This bushing ensures proper articulation and reduces metal on metal contact, extending the life of the suspension system. OEM Cross References: 52700000, S21702, B131002, TB77,