Water Pump Wrench 1/2"D 41mm

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.