3925852CUM
Alternator Adjustment Pulley
Kenworth®

The Alternator Adjustment Pulley is a vital component designed to maintain proper tension on the alternator belt, ensuring optimal performance and longevity of your Kenworth vehicle's electrical system. Crafted with precision, this OEM replacement part guarantees a perfect fit and reliable operation, reducing the risk of belt slippage or premature wear. Made from durable materials, it withstands harsh engine conditions, providing consistent tension over time. Installing this pulley helps maintain efficient power transfer from the engine to the alternator, supporting your truck's electrical demands. Whether you're performing routine maintenance or repairing a faulty component, sourcing genuine OEM parts like this ensures the highest quality and compatibility. At Source One Parts Center, we pride ourselves on offering authentic Kenworth parts, backed by expert support and fast shipping, making us your best choice for reliable truck maintenance and repairs.