- Mark 50 Through Mid 1960’s Four Cylinder Engines Water Pump retainer and gear case cover retainer.

Part # 4CYL1               Price $90.00

This is a two sided tool. One side is used to remove/install of the water pump cover, and one side for removal/installation of the gear case cover retainer.

Vintage mercury outboard shirts, decal sets, tools, and parts, Vintage Mercury Motors, Hayward WI. Your source for vintage mercury outboard novelty items