Threaded Bushing TB‑77 – Fits Kenworth Heavy‑Duty Truck Suspension Component freightThe 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,
Key Features:• Application: Hendrickson Haulmaax rear suspensions• Reduces wear between leaf spring and hanger• Prevents metal-on-metal contact and friction damage• Enhances suspension component longevity• Direct replacement for multiple OEM part numbers
This heavy-duty component helps reduce vibration and road shock while maintaining suspension alignment
OEM Cross References:338‑1921 (Dayton/Hendrickson)
this pin features a durable threaded design that mates with MTB186/MTB188 bushings to ensure proper leaf spring alignment
6813281131
Suitable for various heavy-duty applications
this pin ensures proper articulation and alignment under heavy load conditions
ensuring safer and smoother rides on the road
this hanger provides essential support and alignment
Built for durability and reliability
this part is engineered to hold the trunnion shaft firmly in place while allowing for controlled articulation and weight distribution
OEM Cross References:TB73
