NEW Cummins ISX & QSX Serpentine Belt Tensioner | 4299051, 3682946, 3691282 | ISX / QSX Cummins 

New Cummins ISX/QSX Serpentine Belt Tensioner. This high-quality replacement serpentine belt tensioner maintains optimal performance and reliability in your Cummins ISX or QSX engine. Engineered for a perfect fit, this part ensures proper belt tension and alignment for efficient operation and extended accessory life. This carries a one year warranty.

Features:

• Engine Compatibility: Fits Cummins ISX and QSX engines.
• Heavy-Duty Construction: Made from durable aluminum for long-lasting performance.
• Precise Tensioning: Maintains proper belt tension for efficient engine operation.
• Smooth Operation: Reduces vibrations and noise for a quieter ride.

This high-quality serpentine belt tensioner is essential for maintaining optimal engine performance in your Cummins ISX or QSX engine. It's built to last and ensures your engine's accessories operate smoothly and efficiently.