2006 Western Star 4900FA equipped with 14L L6 Diesel Turbo/Aftercooled, 12.8L L6 Diesel Turbo, 12.7L L6 Diesel Turbo/Aftercooled
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Engine Cooling System Tester Adapter Radiator Cap/Cooling System Tester Adapter System adapter on tester
2006 Western Star 4900FA equipped with 14L L6 Diesel Turbo/Aftercooled, 12.8L L6 Diesel Turbo, 12.7L L6 Diesel Turbo/Aftercooled
Engine Cooling System Tester Adapter Radiator Cap/Cooling System Tester Adapter System adapter on tester