Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Camshaft Cummins 3976620 | 3976619, 397661900, 397662000, C3976619, C3976620, CU3976619, CU3976620
Optimize your heavy-duty engine’s valve timing and performance with this high-quality camshaft for Cummins ISC, ISL, and 6L8.9 engines.
Description
High-Performance Camshaft for Cummins ISC, ISL, and 6L8.9 Engines
The camshaft is the heart of your engine’s valvetrain, responsible for controlling the precise opening and closing of the intake and exhaust valves. This premium replacement camshaft, part number 3976620, is engineered to meet rigorous heavy-duty standards, ensuring optimal combustion efficiency, restored horsepower, and smooth engine operation. This part is also available under the numbers: 3976619, C3976620, and CU3976620.
Built from high-strength forged steel and precision-ground to exact tolerances, this camshaft offers exceptional wear resistance and durability under extreme thermal and mechanical stress. Whether you are performing a complete engine overhaul or replacing a worn component, this camshaft provides a reliable, direct-fit solution to keep your commercial vehicle or industrial equipment running at peak performance.
Engine Compatibility and Applications
This camshaft is designed specifically for heavy-duty Cummins diesel engines, including:
- Cummins ISC 8.9
- Cummins ISL 8.9
- Cummins 6L8.9 / 6LT 8.9
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 3976620
- 3976619
- 397661900
- 397662000
- C3976619
- C3976620
- CU3976619
- CU3976620
