FUEL PUMP ER34/S15 (TB503A-NS06B) 8021 1979 GMC C1500 1980 GMC

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

speed and control with an easy-to-read digital LED interface that displays voltage in 1 volt increments

Covered by a two-year warranty

12 x Digital Outputs

FUEL PUMP ER34/S15 (TB503A-NS06B) 8021 1979 GMC C1500 1980 GMCThe 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