Description Diesel Injector Pump Seal and O-Ring Set L400 4m40 Diesel injector pump seal and O ring When Replacing the 4m40 Injector Pump often the Timing Plate Large O ring is Found to be leaking. When this seal leaks engine oil will run down the side of the block This product is recommended to be used when replacing a leaking injector pump seal , or when The O ring itself is leaking Package Contains – 1x Oem Replacement Diesel injector pump seal 1x Injector pump timing plate – Timing case o-ring
