Keep diesel fuel pressure in check with the Bosch Diesel Fuel Injector Pump Pressure Relief Valve 0281002705. It installs as a direct-fit replacement for the 2005-2006 Jeep Liberty, handling the fuel-side pressure control your high-pressure diesel injection system relies on. As a pressure relief (limiter) valve, its job is to cap peak fuel pressure and vent excess fuel from the high-pressure circuit back to the return line, helping hold the correct system pressure during operation.
Signs the original valve may need replacing can include hard starting, rough running, or a loss of power tied to unstable fuel pressure — but these symptoms can have other causes, so diagnose the fuel system before replacing. If a failed pressure relief valve is the cause, this unit replaces it.
Interchange: Manufacturer part number 0281002705.
What does this valve do?
It's a pressure relief (limiter) valve that opens to vent excess fuel from the high-pressure diesel injection circuit back to the return line, helping maintain proper system pressure.
What vehicle does it fit?
It's a direct-fit replacement for the 2005-2006 Jeep Liberty. Check the Buyer's Guide tab to confirm it matches your vehicle.
Is this a coolant or fuel part?
It's a fuel-side component that works on the high-pressure diesel fuel circuit — it does not handle coolant or air.
What are signs this valve may need replacing?
Hard starting, rough running, or power loss tied to unstable fuel pressure may point to it, but these have other causes too — diagnose the fuel system first.
What is the part number?
The Bosch manufacturer part number is 0281002705.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
