This 3628940 Accessory Drive Pulley (replaces 3179943) is a high‑performance replacement part engineered for Cummins KTA38 and QSK38 diesel engines. Precision manufactured to meet OEM standards, it ensures stable power transmission, reduces belt slippage, and lowers vibration for reliable accessory drive operation. Made from durable alloy steel with heat treatment, it offers excellent wear, corrosion, and high‑temperature resistance, extending service life in heavy‑duty conditions. Ideal for construction machinery, generator sets, marine, and industrial power units, this pulley delivers consistent performance, easy installation, and perfect fitment. It effectively stabilizes accessory drive systems, protects belts and bearings, and minimizes downtime, making it a cost‑effective choice for engine maintenance and repair.
Supersedes:3179943
