Mcgard O/B Motor Lock Merc 40hp & Up 74036 | 24 mission No drilling necessary

No drilling necessary

Fits: Volvo 09-45825 & Johnson/Evinrude Pump 18-3587

For Mercruiser GM V-6/V-8 1998 & later w/ closed cooling

Flow rate to 12 gpm Self-priming to 4ft vertical lift

Shaped to protect the gunwales and rubrail

Mcgard O/B Motor Lock Merc 40hp & Up 74036 | 24 mission No drilling necessaryMcgard Outboard Motor Lock #371 74036 Mercury Mariner 40hp and Up(1 2" 20 Thread Size) Designed to lock the outboard onto the transom, simply replace one of the mounting nuts with a McGard locking nut. A free spinning collar turns if attacked by gripping tools, protecting against theft and inconvenience. #74049 fits most of the motors listed and will fit other small outboards with a 5 16" hole in the transom bracket for mounting the motor.)