Engine Brake Rocker Lever Cummins 5484230 | 4972818, 4298641, 4386047, 4318206

High-Performance Engine Brake Rocker Lever for Cummins Engines

The Cummins 5484230 Engine Brake Rocker Lever is a critical component engineered to maintain precise valve operation and optimal engine breathing in heavy-duty diesel engines. Serving as a vital bridge in your valvetrain system, this rocker lever accurately transmits camshaft movement to the valves, ensuring proper opening and closing cycles. This part is also available under the numbers: 4972818, 4298641, 4386047, and 4318206.

Designed specifically for demanding environments, the 5484230 rocker lever is built to withstand high stress and wear, significantly extending the service life of your valvetrain. Precise valve actuation directly contributes to improved power output, enhanced fuel efficiency, and superior overall engine performance. By choosing this high-quality component, you ensure seamless compatibility and maximum protection for your engine’s internal systems.

Features & Benefits

• Accurate Camshaft Transfer: Guarantees proper valve opening and closing for efficient engine breathing and combustion.
• Enhanced Performance: Precise actuation improves power output, fuel efficiency, and overall engine reliability.
• Durable Construction: Manufactured from high-grade materials to withstand extreme under-the-hood temperatures and mechanical stress.
• Perfect Fitment: Engineered to the exact specifications of Cummins ISX, ISX15, and QSX15 engines for seamless integration.

Applications and Compatibility

This engine brake rocker lever is designed for heavy-duty Cummins diesel engines, including the popular ISX, ISX15, and QSX15 series. It is highly recommended to verify your engine serial number (ESN) and existing part number to ensure exact fitment before installation.

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 5484230
• 4972818
• 4298641
• 4386047
• 4318206
• 4059351
• 4059412