Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Engine Rocker Arm Cummins 4298640 | 4318205, 4972817, 5484229, 4059297, 4386046, 4059411
Ensure optimal valvetrain performance and precise exhaust valve timing with this heavy-duty engine rocker arm for Cummins ISX and QSX engines.
Description
High-Performance Engine Rocker Arm for Cummins ISX and QSX
The Cummins 4298640 engine rocker arm is a critical component designed to maintain precise exhaust valve timing and ensure optimal valvetrain performance. Built to withstand the extreme pressures and high temperatures of heavy-duty diesel operations, this rocker arm (also referred to as a rocker lever) is engineered specifically for Cummins ISX and QSX series engines. This part is also available under the numbers: 4318205, 4972817, 5484229, 4059297.
Reliable Valvetrain Operation
A worn or failing rocker arm can lead to poor engine performance, increased emissions, and potential valvetrain damage. Replacing your worn components with this high-quality rocker arm ensures smooth valve operation, reduces friction, and restores your engine’s power and efficiency. It features a robust construction and a precision-engineered roller to minimize wear on the camshaft lobes.
Key Features and Benefits
- Engineered for Cummins ISX/QSX: Direct fit for heavy-duty Cummins ISX and QSX engines, ensuring seamless integration and reliable operation.
- Heavy-Duty Construction: Manufactured from premium-grade materials to resist fatigue, wear, and thermal stress under demanding loads.
- Precise Valve Control: Restores accurate valve lift and timing, optimizing combustion efficiency and reducing exhaust emissions.
- Reduced Friction: Features a high-quality roller design that minimizes wear on mating valvetrain components.
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 4298640
- 4318205
- 4972817
- 5484229
- 4059297
- 4386046
- 4059411
