CHEVROLET DAEWOO WATER PUMP WRENCH SPANNER REMOVAL TOOL 41mm 1/2 DRIVE KM421A
Waterpump wrench 41mm These are Water Pump Wrenches used on older GM (Vauxhall/Opel) engines where the water pump is used to adjust the cam belt tension. These engines also appear more recently in a number of Chevrolet (Daewoo) vehicles.