A4712020010
Pulley
Detroit Diesel

This pulley is a key component in the engine’s accessory drive system, responsible for transmitting power from the belt to various peripheral devices. Although specific dimensions are not provided, its design ensures smooth rotation and reliable belt engagement, which are essential for maintaining optimal operation of the alternator, power steering, and other accessories. The pulley’s construction is engineered for durability and resistance to wear, capable of withstanding the rigors of high RPM operation. Proper tension and alignment of the drive belt, aided by this pulley, are critical for preventing slippage and ensuring consistent power delivery. Its role in the accessory drive system directly impacts engine performance and efficiency. Source One Parts Center supplies this pulley as part of their comprehensive engine maintenance offerings, highlighting its importance in supporting engine accessory functionality and overall vehicle reliability.