20805-3802
Accessory Drive Belt Idler Pulley
Volvo

This idler pulley is a key component in the accessory drive belt system, providing tension and guiding the belt to ensure smooth operation. Its role is critical in maintaining proper belt alignment, which directly impacts the performance of auxiliary components such as the alternator, power steering pump, and air conditioning compressor. Constructed from durable materials, the pulley resists wear and environmental factors, reducing the likelihood of belt slippage or failure. Proper functioning of this pulley helps prevent belt noise, excessive wear, and potential breakdowns, contributing to the overall reliability of the vehicle’s accessory systems. Easy to install and replace, it is an essential part for maintaining optimal engine accessory operation. Source One Parts Center supplies this pulley, ensuring quality and dependable performance for heavy-duty trucks.