Idler Pulley Cummins 4892356 | 4987968

High-Performance Idler Pulley for Cummins Engines

The Cummins 4892356 Idler Pulley is a critical component in your engine’s accessory drive system. Designed to maintain precise belt tension and alignment, it ensures the efficient operation of the alternator, water pump, and air conditioning compressor. Built with high-quality materials and precision bearings, this pulley reduces friction and prevents belt slippage, extending the life of your drive system.

Key Features and Benefits

• Optimal Tensioning: Prevents belt wear and slippage for consistent power transfer to engine accessories.
• Durable Construction: Engineered to withstand the high-heat and high-vibration environment of heavy-duty diesel engines.
• Precision Bearings: Reduces internal friction for smoother operation and increased component longevity.
• Reliable Performance: Helps maintain the cooling and electrical systems by ensuring the belt remains properly aligned.

Engine Compatibility

This idler pulley is compatible with a wide range of Cummins engine series, including:

• B6.7 Series: CM2350 B135B, CM2670 B153B
• ISB Series: ISB CM850, ISB/ISD4.5 CM2150, ISB/ISD6.7 CM2150, ISBE CM2150/CM800, ISBE4 CM850
• ISM Series: ISM CM570, ISM CM570/870
• QSB Series: QSB4.5, QSB5.9, QSB6.7, QSB7
• M11 Series: M11 CELECT PLUS