Description
41mm water pump wrench used on older GM (Vauxhall/Opel) engines where the water pump is used to adjust the cambelt tension.
Size: 41mm x 1/2″D.
Engines: 1.2, 1.4, 1.4 16v, 1.5, 1.6d, 1.6 16v.
Equivalent to OEM KM421A (J42492).
These engines can also be found in some Chevrolet (Daewoo) vehicles.






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