Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Belt Tensioner Cummins 3976833 | 3957433, 3978021, 3936197, 3934816
Ensure optimal belt alignment and prevent slippage with the Cummins 3976833 accessory drive belt tensioner. Engineered to reduce vibration and extend the lifespan of your engine’s drive belt.
Description
Keep Your Engine Running Smoothly with the Cummins 3976833 Belt Tensioner
The Cummins 3976833 accessory drive belt tensioner is designed to maintain precise tension and alignment on your engine’s accessory drive belt. A properly functioning tensioner is critical to preventing belt slippage, reducing noise, and ensuring that vital components like the alternator and water pump operate efficiently. This part is also available under the numbers: 3957433, 3978021, 3936197, and 3934816.
Key Features & Benefits
- Optimal Belt Alignment: Efficiently maintains proper accessory drive belt alignment to prevent uneven wear.
- Vibration Dampening: Dampens accessory drive belt vibrations caused by engine firing, protecting connected components.
- Heavy-Duty Construction: Made from high-quality materials that resist damaging elements, ensuring long-lasting durability.
- Extended Belt Lifespan: Provides constant, reliable tension to prevent slippage and significantly extend the life of your drive belt.
Engine Compatibility
This belt tensioner is engineered for heavy-duty performance and is compatible with the following Cummins engine models:
- Cummins 4BT 3.9
- Cummins 6BT 5.9
- Cummins 6CT 8.3
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 3976833
- 3957433
- 3978021
- 3936197
- 3934816
- 3934814
- 3924026
- 3921524
- 3930769
