For 1967-1974 GMC K25/K2500 Suburban Oil Pump 89563TS 1968 1969 1970 1971 1972

1967 GMC K25/K2500 Suburban 4.6L V8. 1969-1974 GMC K25/K2500 Suburban GAS. 1969-1974 GMC K25/K2500 Suburban LPG. Gears are machined to close tolerances to ensure proper engine pressure and correct, efficient pump operation.