FUEL PUMP ER34/S15 (TB503A-NS06B) 8021 12 x Digital Outputs

12 x Digital Outputs

1979 GMC C1500 1980 GMC C1500 1981 GMC C1500 1982 GMC C1500 1983 GMC C1500 1984 GMC C1500 1985 GMC C1500 1986 GMC C1500 1979 GMC C1500 Suburban Special Comments: 2WD/4WD

Release Bearing

The included installation instruction has clear pictures and instructions to guide the installer throughout the whole process (which takes about 30 minutes with simple hand tools)

FUEL PUMP ER34/S15 (TB503A-NS06B) 8021 12 x Digital OutputsThe Tomei upgraded fuel pumps enables greater fuel pressure for high power engines, significantly increasing fuel flow to enable increased power. Demanded amount of fuel to the engine is controlled by the signal from ECU to the injector. If there is problem with the fuel pressure, amount of delivered fuel will be different when using same equipment for same period of time (High pressure gain amount of fuel, Low pressure reduce amount of fuel). Fuel