Spacer Block 388‑729 – Fits Mack Trucks Heavy‑Duty Suspension Component freight OEM Cross References:338-2269

OEM Cross References:338-2269

Made from high-strength steel and precision-machined to OEM specifications

OEM Cross References:3382273

Manufactured from high-strength steel and built to OEM specifications

Key Features:• Application: Front of front spring assemblies• Design: Threaded pin with external grease fitting (G1803)• Bushing Fit: Compatible with MTB160 threaded bushings• Material: Heat-treated steel for strength and wear resistance• Function: Reduces movement and vibration in suspension

Spacer Block 388‑729 – Fits Mack Trucks Heavy‑Duty Suspension Component freight OEM Cross References:338-2269The Mack Insulator Spacer Block is a rugged suspension component designed to provide proper spacing and vibration isolation within Mack truck suspensions. It acts as a buffer between major structural elements to reduce stress and prevent metal to metal contact. This block enhances ride comfort and protects other suspension components from premature wear. OEM Cross References: E31662, 338729, M878, E3689, 13QK246, 25157862 Key Features: Application: