Gates Radiator Cap Tester Adapter for 1987-1991 GMC V2500 Suburban 5.7L 6.2L cn

Gates Radiator Cap Tester Adapter for 1987-1991 GMC V3500 4.8L 5.7L 6.2L hz

Gates Radiator Cap Tester Adapter for 1989-1991 Chevrolet R3500 5.7L 6.2L sm

Gates Radiator Cap Tester Adapter for 1987-1991 GMC V1500 Suburban 5.7L 6.2L pe

Gates Radiator Cap Tester Adapter for 1987 GMC V2500 4.8L 5.7L 6.2L L6 V8 tv

Gates Radiator Cap Tester Adapter for 1987-1988 Chevrolet V30 4.8L 5.7L 6.2L qu

Gates Radiator Cap Tester Adapter for 1987-1988 Chevrolet R30 4.8L 5.7L 6.2L pn

Gates Radiator Cap Tester Adapter for 1987 Chevrolet V20 4.8L 5.7L 6.2L L6 nk