3882341/4003950 Engine oil pump

Basic parameters
1. Part Number: 4003957 (L1 W1), Universal Replacement.No.:4003950,3882341
2. Compatible models: CumminsM11/SM11/QSM11/L10 diesel engines, compatible withShenyang Automobile, heavy truck, passenger vehicles,construction machinery, and mine dump truck engines.
3. Structure: Gear-type oil pump, external drivegear, flange mounting hole, four-bolt fasteningpump cover, responsible for the overall enginelubricating oil circulation supply.
Second, the role of the product
Convey engine oil to moving parts such as enginecrankshafts, camshafts, connecting rods, and
superchargers, establish lubricating oil pressure, andachieve lubrication, heat dissipation, and vibrationdamping. Damage to the oil pump can lead to low oilpressure, cylinder pulling, tile clamping, andhigh-temperature engine failure.

Three. Applicable Equipmen
Shaanxi Automobile and Sinotruk are equippedwith Cummins M11 heavy trucks, large buses,oaders, and mining construction machinery.
Four. Product Advantages
Precision machining, gear wear resistance and pressurerelief, installation holes consistent with the originalvehicle, and direct loading without modification.