Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Camshaft Cummins 3977547 | 4896419, 3970117, 489641900, 397754700
Optimize your engine’s valve timing and restore peak performance with this high-durability camshaft designed for Cummins ISB 4.5 and QSB 4.5 engines. Engineered to meet precise specifications, it ensures smooth operation and long-lasting reliability.
Description
High-Performance Camshaft for Cummins ISB and QSB 4.5 Engines
The Cummins 3977547 camshaft is a critical component designed to control the opening and closing of your engine’s valves with absolute precision. Engineered for heavy-duty applications, this camshaft ensures optimal combustion efficiency, reliable power delivery, and smooth engine operation. This part is also available under the numbers: 4896419, 3970117, and 489641900.
Manufactured from premium-grade materials, this camshaft is built to withstand the extreme thermal and mechanical stresses of modern diesel engines. It is specifically designed for Cummins 4.5-liter engines, providing a direct fit and restoring your engine to its peak operating condition. Replacing a worn camshaft is essential to prevent power loss, poor fuel economy, and potential valvetrain damage.
Engine Compatibility and Fitment
This camshaft is compatible with the following Cummins engine models:
- Cummins ISB 4.5
- Cummins ISD 4.5
- Cummins QSB 4.5
Key Features and Benefits
- Precise Valve Timing: Restores factory-spec valve timing for improved fuel efficiency and engine response.
- Heavy-Duty Construction: Made from high-strength alloy steel to resist wear and extend service life.
- Direct Replacement: Designed to exact dimensional tolerances for a hassle-free installation.
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 3977547
- 4896419
- 3970117
- 489641900
- 397011700
- 397754700
- CU4896419
- CU3970117
- CU3977547
