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Home >> Ford >> 1989 >> Bronco II RWD, Standard, M5OD-R1 >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Operation >> Air Pump

Air Pump

Air pumps are belt driven and available in several different sizes, depending on application. Different pulley diameters are also available. Do not interchange any pump or pulley. Air pump supplies air to the air injection system (except on pulse air system).