Cummins ISX12 High Pressure Fuel Pump 2014-2017: OEM 5491786RX

Strong Fuel Flow for Cummins ISX12 (2014–2017)

What is it?
The Cummins ISX12 High Pressure Fuel Pump OEM 5491786RX is a critical fuel system component responsible for delivering diesel from the tank to the engine at the high pressures required for efficient injection and combustion. It ensures your Cummins ISX12 engine gets the precise fuel delivery it needs to run smoothly and respond effectively under load.

Why choose OEM 5491786RX?
This high pressure fuel pump is engineered specifically for Cummins ISX12 engines from 2014 through 2017. Precision OEM construction ensures accurate fuel flow and seamless integration with your engine’s fuel system. Choosing an OEM-quality pump helps reduce rough running, poor fuel delivery symptoms, and potential drivability issues that can stem from pump wear or failure.

Key Benefits
✅ Designed for Cummins ISX12 engines (2014–2017)
✅ Provides consistent high-pressure fuel delivery
✅ Helps maintain engine responsiveness and efficiency
✅ Built to resist wear from high-temperature operating conditions
✅ Direct-fit replacement for straightforward installation

Applications
This high pressure fuel pump is ideal for Cummins ISX12-powered commercial trucks, vocational rigs, and heavy-duty equipment produced between 2014 and 2017. It’s a vital component for engines that demand reliable fuel delivery during highway driving, towing, or heavy load applications.

Installation Notes
Before installation, ensure the engine is cool and fuel pressure is safely relieved. Inspect fuel lines and connectors for signs of wear or contamination. Follow Cummins-recommended procedures and torque specifications to mount the pump correctly. After installation, verify fuel system pressure and check for leaks before full operation.

Final Thoughts
When your Cummins ISX12 engine shows symptoms of poor fuel delivery—such as hesitation, loss of power, or rough idle—the OEM 5491786RX high pressure fuel pump offers a dependable, OE-grade solution. Designed for precise performance and reliable operation, it helps keep your engine delivering power efficiently. Tamerx has this high pressure fuel pump in stock and ready to ship.