Marine Propeller Security Locks

Propeller Lock, 3/4 x 16 Thread, MerCruiser, Alpha I, Bravo I, OMC Cobra, King Cobra, Volvo SX, Each

Part Number: MCG-74039

4.94 out of 5 stars ( 16 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Propeller Lock, 18mm x 1.5 Thread, Yamaha, All, Each

Part Number: MCG-74040

4.82 out of 5 stars ( 11 )

Estimated Ship Date: Monday 4/13/2026 if shipped by air

Propeller Lock, 16mm x 1.5 Thread, for use on ®Honda, for Nissan, Tohatsu, Each

Part Number: MCG-74056

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

• Special Order

Propeller Lock, 1 in.-14 in. Thread, MerCruiser, Blackhawk, Each

Part Number: MCG-74053

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

• Special Order