1981 Pontiac Bonneville equipped with 5.7L V8 Diesel OHV, 5.0L V8 Gas OHV, 4.3L V8 Gas OHV, 3.8L V6 Gas OHV
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Radiator Cap/Cooling System Tester Adapter System adapter on tester
1981 Pontiac Bonneville equipped with 5.7L V8 Diesel OHV, 5.0L V8 Gas OHV, 4.3L V8 Gas OHV, 3.8L V6 Gas OHV
Radiator Cap/Cooling System Tester Adapter System adapter on tester