General Motors GM-48974-5 EGR Cooler Tester Adapter Set, 5/8" Shop by Category > Shop Equipment>Vises Ken Tool 30168 Rust Hog

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General Motors GM-48974-5 EGR Cooler Tester Adapter Set, 5/8" Shop by Category > Shop Equipment>Vises Ken Tool 30168 Rust HogGeneral Motors GM 48974 5 EGR Cooler Tester Adapter Set, 5 8" Kent Moore Tool Number: EN 48974 5 GM 48974 5 EGR Cooler Pressure Tester Adapter (4HK1 5 8" hose) is used along with GM 46091 1 Pressure Regulator Assembly to test the EGR cooler for leaks between the coolant side and the exhaust side. The cooling system is drained, and the hoses are removed from the EGR cooler inlet and outlet. The pressure adapter from GM 48974 5 is attached to the EGR