REMOTE MOUNTS on 1974 - current Mercruiser GM 120/140, 3.0L engines. This system cools and protects the engine block only. When replacing an old unit please specify hose sizes, 1-1/2 - 1-1/4, or 1-1/2 - 1-3/4. Kit comes complete with detailed installation instructions.

Link to Installation Instructions (Opens in a Seperate Window)