Fuel Pump (Injection)

Surplus B: Surplus B MACK FUEL SUPPLY PUMP (FUEL FEED PUMP) 85136309; FITS 11.9L INLINE-6 E7 E-TECH/ASET ENGINES. CROSS REFERENCES BOSCH 0440008120, 85020140/42 TIED DIRECTLY TO E7 FUEL SUPPLY SYSTEMS. THIS PULLS FUEL FROM TANK, PUSHES IT TO THE FUEL FILTERS & INJECTION PUMP/INJECTORS. MAINTAINS STEADY FUEL PRESSURE & FLOW TO ENSURE THE ENGINE ALWAYS HAS FUEL UNDER LOAD. PREVENTS HARD SITS, ENGINE STARVING FOR FUEL, & POWER LOSS OR STALLING. MECHANICAL/GEAR DRIVEN PUMP MOUNTED ON THE ENGINE, RUNS WHENEVER THE ENGINE IS TURNING, & FEEDS FUEL BEFORE HIGH-PRESSURE INJECTION HAPPENS.