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Propeller lock

Antitheft protection when in use, in storage, and during transport. Protect your customers with McGard antitheft propeller locks with the same patented design as our stern drive and outboard motor locks. An attempt to force open this lock causes a loose sleeve to rotate, but the lock remains fixed and your propeller is protected against theft. Our propeller locks are made from special corrosion resistant brass with specific alloy fractions and hardened stainless steel for an assured maximum level of security. 

Once fitted, our propeller lock provides permanent protection. 

PROPELLER LOCKS FOR STERN DRIVESTHREAD SIZEPRODUCT
MerCruiser® Alpha I, Bravo I (incl X & XR), TRS, Vazer
OMC Cobra and King Cobra
3/4 - 1674039
All YamahaM18 x 1.574040
Volvo Duo-Prop
(only for 1993 & 1994 drives with a propeller bolt of 19 mm across flats)
M12 x 1.7574046
MerCruiser® Bravo III (up to 2003), Blackhawk1 - 1474053
Volvo DP-S (Duo-Prop)M22 x 2.074057
MerCruiser® III SSM, IV SSM, V SSM, VI SSM, NXT1-1474058
PROPELLER LOCKS FOR OUTBOARD MOTORSTHREAD SIZEPRODUCT

Mercury/Mariner 70 hp and higher (excl 225 hp 4 stroke up to 2005)
Mercury Bigfoot 40 HP, 50 HP, 60 HP (4 stroke)
Optimax 75 hp and higher
Verado 135 hp and higher
Johnson/Evinrude 150 hp and higher (2 stroke)

3/4 - 1674039
Honda 75 hp and higher
Suzuki 40 hp and higher
Yamaha 115 hp and higher
Johnson/Evinrude 150 hp and higher (4 stroke)
M18 x 1.574040
Johnson/Evinrude 40–140 hp (2 stroke) (some 90 hp & 130 hp may have a 3/4-16 shaft)5/8 - 1174052
Nissan 40 hp and higher
Tohatsu 40 hp and higher
Honda 40–50 hp
M16 x 1.574056