Oil Pump

Surplus B: Surplus B MACK/VOLVO ENGINE OIL PUMP (LUBE OIL PUMP) 21736639, CORE GROUP 85019258; FOR VOVLO D11 & MACK MP7 ENGINES. CROSS REFERENCES WITH 21602023, 20835230, and 85013238. THIS PUMP DRAWS ENGINE OIL FROM THE OIL PAN (SUMP), PRESSURIZES THE OIL, AND CIRCULATES OIL THROUGHOUT THE ENGINE. THIS LUBRICATES THE CRANKSHAFT BEARINGS, CONNECTING RODS, CAMSHAFTS, ROCKER ASSEMBLIES, & TURBOCHARGER BEARINGS. THE PUMP HELPS REMOVE HEAT FROM INTERNAL ENGINE COMPONENTS WHILE PREVENTING PREMATURE WEAR & CATASTROPHIC ENGINE FAILURE.