plunger fuel injector 131152-2120 marked A146 apply for audi, BMW
A plunger pump is a type of positive displacement pump where the high-pressure seal is stationary and a smooth cylindrical plunger slides through the seal.The element is a component of the inline diesel pump and its function is to meter and deliver the metered fuel to the injectors. Element consists of two components, barrels and plungers. The plunger is matched to its barrel with high precision and grants hydraulic withhold at all pressures, even very high pressures and low engine revolutions. The plunger is precisely fitted to the barrel with very small clearance to form a perfect sealing. They must therefore be replaced as a set (barrel and plunger).

China Lutong Parts Plant is a professional OEM & Aftermarket parts supplier, which specialized in Head Rotors, diesel nozzle, plunger, delivery valve, Bosch head rotor, diesel injector, pencil nozzle for all kinds of vehicles and diesel engines. We have strong technique power, advanced equipment, craft, first class processing test equipment, perfect quality assurance system and excellent after services.We are always at your disposal to provide you with high quality products, perfect service and fast delivery at competitive price.

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