A4712340812
Pulley
Detroit Diesel

The pulley designed for heavy-duty engines features a substantial iron construction, providing the strength needed to drive auxiliary components such as the alternator, water pump, or A/C compressor. With an outer diameter of 320 mm and a height of nearly 98 mm, it offers optimal belt engagement for efficient power transfer. The inclusion of 12 mounting holes facilitates secure attachment to the crankshaft or accessory shafts, ensuring stable operation under high loads. Its rugged material withstands the mechanical stresses and temperature variations typical of engine environments, contributing to long service life. Proper pulley alignment and installation are critical for belt tension and longevity, preventing slippage and ensuring smooth operation. This component is essential for maintaining the drive system’s efficiency and reliability. Source One Parts Center provides this pulley as a durable replacement part for your engine's belt-driven accessories.