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Idler Belt Pulley Assembly for S60 14L DDEC VI
Detroit Diesel

The idler belt pulley assembly plays a vital role in maintaining proper tension and alignment of the engine's accessory drive belts, which are crucial for powering components such as the alternator, water pump, and air conditioning compressor. Constructed from durable iron, this assembly features a V-groove design with nine grooves, accommodating multiple belts simultaneously for efficient power transfer. The outer diameter of the pulley ensures compatibility with specific belt configurations, while the precise depth maintains correct belt tension, reducing slip and wear. With dual pulleys, this setup balances load distribution, enhancing overall belt life and engine reliability. Proper functioning of this assembly directly impacts engine cooling, charging, and climate control systems, making it indispensable for engine longevity. Professionals sourcing parts from trusted suppliers ensure this assembly's quality and fit for demanding heavy-duty truck applications.