McGard Prop Locks
Protect your boat’s propeller with McGard Propeller Locks, the trusted choice for both outboards and stern drives. Crafted from corrosion-resistant naval brass and hardened stainless steel, each lock features a free-spinning collar that prevents loosening from tampering, providing reliable security on the water and during storage.
Our range includes eight models to suit a variety of engines:
74018 – Single stern drive lock set for Mercruiser Alpha, Bravo I-III (including X & XR), Blackhawk, OMC Cobra & King Cobra, and Volvo SX/DP-S stern drives.
74039 – Compatible with Mercury/Mariner 40HP+ (4-stroke) and 70HP+ (2-stroke) outboards, and Mercruiser Alpha I, Bravo I (X & XR), TRS, and OMC Cobra/King Cobra stern drives.
74040 – Fits Honda, Yamaha, Suzuki, and Johnson/Evinrude 150HP+ outboards (4-stroke).
74052 – Designed for Johnson/Evinrude 40–140HP 2-stroke outboards.
74053 – Suited for Mercruiser Bravo III (up to 2003) and Blackhawk stern drives.
74056 – Ideal for Honda 40–50HP, Nissan 40HP+, and Tohatsu 40HP+ outboards.
74057 – Fits Volvo DP-S Duo-Prop stern drives.
74058 – For Mercruiser SSM series (III–VI, NXT) stern drives.
McGard Propeller Locks are easy to install, durable and effective at preventing theft, making them a must-have accessory for any boat owner seeking peace of mind.