1990 GMC G3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.3L V6 Gas OHV
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Radiator Cap/Cooling System Tester Adapter System adapter on tester
1990 GMC G3500 equipped with 7.4L V8 Gas OHV, 6.2L V8 Diesel OHV, 5.7L V8 Gas OHV, 4.3L V6 Gas OHV
Radiator Cap/Cooling System Tester Adapter System adapter on tester