Reliable Fuel Connection: Cummins ISL Fuel Pump Adapter (2008–2011, OEM 4921433RX)
What is it?
The Cummins ISL Fuel Pump Adapter (OEM 4921433RX) is a precision component that connects the fuel delivery system to the engine in ISL powerplants from 2008 to 2011. It ensures the pump matches perfectly to your fuel system, allowing smooth flow and maintaining alignment under pressure.
Why choose OEM 4921433RX?
This adapter is manufactured to match Cummins’ original specifications for the ISL line. Using the OEM version ensures proper sealing, alignment, and durability—avoiding issues like leaks, vibration, or premature failure that can arise from aftermarket mismatches.
Key Benefits
✅ Specifically designed for Cummins ISL engines (2008–2011)
✅ Ensures correct alignment and sealing of the fuel pump
✅ Helps prevent leaks, vibration, and misalignment wear
✅ Durable construction resists fuel, pressure, and thermal stress
✅ Direct-fit OEM replacement for straightforward installation
Applications
This adapter is suitable for trucks, generators, and industrial machines powered by Cummins ISL engines from 2008–2011 where reliable fuel system connection is essential.
Installation Notes
Before installation, turn off the engine and depressurize the fuel lines. Clean mating surfaces thoroughly and inspect for damage. Position the adapter correctly, use proper sealing materials, and torque bolts to Cummins specifications. After installation, test the system for leaks and pump operation under different loads.
Final Thoughts
For a durable, precise link in your ISL fuel system, the OEM 4921433RX Fuel Pump Adapter offers the fit, strength, and reliability you need. It helps maintain proper fuel flow and protects downstream components—making it a smart choice for any ISL rebuild or repair. Tamerx has it in stock and ready to ship.