Fitment: for Jeep Cherokee 4.0L 1989-1998 for Jeep Grand Cherokee 4.0L 1993-1998 for Jeep Comanche 4.0L 1987-1992 for Jeep Wrangler 4.0L 1991-1998 OE Number:0280155710/0280155703/0280155700/F6VZ9F593AAProduct Characteristics: Direct replacement of your old injector and no modification needed. Durable effective O-Ring that can seal fuel vapors in and keep them from leaking. High efficient fuel sprays and High Impedance Coil for good performance. The high impedance fuel injector has been tested and exactly matches the internal coil resistance and fuel flow rate of OEM fuel injector. Fuel injectors directly affect the air/fuel ratio for the engine and new fuel injectors do require a new or updated tune. Professional installation is highly recommended. We suggest that you also check the other component of the engine before installation. Installation: Step 1. Make sure the engine is cool down. Disconnect the battery. Step 2. Remove the bolts and brackets from the fuel rail. Step 3. Disconnect the plug on each injector. Step 4. Lift the fuel rail and remove the injector from the fuel rail. Step 5. Press the new injector into the rail. Reattach the fuel rail and put the injectors in their respective holes. Step 6. Bolt down fuel rail. Reattach fuel line. Plug in injector connectors. Reconnect battery. Step 7. Double check for fuel leaks before and after starting the engine. Package included:1 Pcs Fuel InjectorNote:Please make sure your model's ENGINE and TRIM are as described before purchasing!
