Outdrives and Accessories - Drive Locks

McGard Stern Drive Locks - Dual MerCruiser TRS

• Overall Lock Length: .750"
• Thread Size: 1/2" - 20
• Hex Size: 5/8"
• Set of 2 Locks, 1 Key, 2 Caps and 1 Thread Lock Adhesive

Stern Drive Applications: Mercruiser TRS & II SSM

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

McGard Stern Drive Locks - Mercruiser Alpha, Bravo, OMC Cobra & King Cobra Dual Drives Stern Drive Lock

• Overall Lock Length: .750"
• Thread Size: 7/16" - 20
• Hex Size: 5/8"

Stern Drive Applications: Mercruiser Alpha, Bravo I-III (incl. X & XR), Blackhawk, Vazer, OMC Cobra & King Cobra, Volvo SX, DP-S. Note: Only works on 2003 and earlier models of Bravo III.

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

McGard Stern Drive Locks - Single Drive MerCruiser Alpha & Bravo Stern Drive Lock

• Overall Lock Length: .750"
• Thread Size: 7/16" - 20
• Hex Size: 5/8"
• Set of 1 Lock, 1 Key and 1 Cap

Stern Drive Applications: Mercruiser Alpha, Bravo I-III (incl. X & XR), Blackhawk, Vazer, OMC Cobra & King Cobra, Volvo SX, DP-S. Note: Only works on 2003 and earlier models of Bravo III.

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

McGard Stern Drive Locks - Single TRS & II SSM

• Overall Lock Length: .750"
• Thread Size: 1/2" - 20
• Hex Size: 5/8"
• Set of 1 Lock, 1 Key, 1 Cap and 1 Thread Lock Adhesive

Stern Drive Applications: Mercruiser TRS & II SSM

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

McGard Stern Drive Locks - Single Drive Lock

• Overall Lock Length: .750"
• Thread Size: M12 x 1.25
• Hex Size: 5/8"
• Set of 1 Lock, 1 Key and 1 Cap

Stern Drive Applications: Yamaha

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

McGard Stern Drive Locks - Twin Speedmaster Stern Drive Lock

• Overall Lock Length: .775"
• Thread Size 5/8" - 18
• Hex Size 3/4"
• Set of 2 Locks, 1 Key, 2 Caps and 1 Thread Lock Adhesive

Stern Drive Applications: MerCruiser III SSM, IV SSM, V SSM, VI SSM, NXT

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

McGard Stern Drive Locks - Twin Drive Lock

• Overall Lock Length: .750"
• Thread Size: M12 x 1.25
• Hex Size: 5/8"
• Set of 2 Locks, 1 Key and 2 Caps

Stern Drive Applications: Yamaha

Stern drive theft is on the rise, don't take a chance on losing your favorite outdrive or prop, for that matter be safe not sorry. Simply replace one of the stern drive mounting nuts with a McGard lock. Stern drive locks are fully machined from high quality stainless steel and through-hardened. This proven design features a free-spinning collar that turns if attacked by gripping tools without loosening the lock. Give yourself the best protection available against stern drive theft. Ask for McGard Marine Locks by name.

McGard Outboard Drive Locks - Single Johnson / Evinrude

• Overall Lock Length: .750"
• Thread Size: 1/2" - 13
• Hex Size: 5/8"
• Set of 1 Lock and 1 Key

Outboard Motor Applications: Johnson/Evinrude 40 HP and larger (2 stroke)

McGard outboard motor locks are designed to lock the outboard onto the transom of the boat. Simply replace one of the mounting nuts with a McGard locking nut. McGard outboard motor locks are identical in quality and construction to our stern drive locks. A free-spinning collar turns if attacked by gripping tools, protecting you against costly outboard motor theft and the resulting inconvenience.

McGard Outboard Drive Locks - Single Mercury 

• Overall Lock Length: .750"
• Thread Size: 1/2" - 20
• Hex Size: 5/8"
• Set of 1 Lock and 1 Key

Outboard Motor Applications: Mercury/Mariner 40 HP and larger (2 stroke)
Mercury 25 HP and larger (4 stroke)
Suzuki 150 - 300 HP

McGard outboard motor locks are designed to lock the outboard onto the transom of the boat. Simply replace one of the mounting nuts with a McGard locking nut. McGard outboard motor locks are identical in quality and construction to our stern drive locks. A free-spinning collar turns if attacked by gripping tools, protecting you against costly outboard motor theft and the resulting inconvenience.

McGard Outboard Drive Locks - Single Motor

• Overall Lock Length: .750"
• Thread Size: 5/16" - 18
• Hex Size: 5/8"
• Set of 1 Lock, 1 Key, 1 SS 5/16" - 18 Bolt, 2 Washers and 1 Thread Lock Adhesive

Outboard Motor Applications: *Fits most of the following:
Honda 8-30 HP
Johnson/Evinrude 6-30 HP
Mercury/Mariner 8-25 HP
Nissan 8-18 HP
Suzuki 8-30 HP
Tohatsu 8-18 HP
Yamaha 8-25 HP (Lock may fit some 2 strokes up to 30 HP, verify hole diameter)
*Will fit other small outboards with a 5/16" hole in the transom bracket for mounting the motor (stainless steel bolt included in set).

McGard outboard motor locks are designed to lock the outboard onto the transom of the boat. Simply replace one of the mounting nuts with a McGard locking nut. McGard outboard motor locks are identical in quality and construction to our stern drive locks. A free-spinning collar turns if attacked by gripping tools, protecting you against costly outboard motor theft and the resulting inconvenience.

McGard Outboard Drive Locks - Single Suzuki / Nissan / Tohatsu

• Overall Lock Length: .750"
• Thread Size: M12 x 1.75
• Hex Size: 5/8"
• Set of 1 Lock, 1 Key and 1 Thread Lock Adhesive

Outboard Motor Applications: Nissan 25 HP and larger
Suzuki 25 - 140 HP (2004 and earlier)
Tohatsu 25 HP and larger
Johnson/Evinrude 40 HP and larger (4 stroke)

McGard outboard motor locks are designed to lock the outboard onto the transom of the boat. Simply replace one of the mounting nuts with a McGard locking nut. McGard outboard motor locks are identical in quality and construction to our stern drive locks. A free-spinning collar turns if attacked by gripping tools, protecting you against costly outboard motor theft and the resulting inconvenience.

McGard Outboard Drive Locks - Single Yamaha / Honda

• Overall Lock Length: .750"
• Thread Size: M12 x 1.25
• Hex Size: 5/8"
• Set of 1 Lock and 1 Key

Outboard Motor Applications: Yamaha 40 HP and larger (2 stroke)
Yamaha 30 HP and larger (4 stroke)
Honda 40 HP and larger
Suzuki 25 - 140 HP (2005 and newer)

McGard outboard motor locks are designed to lock the outboard onto the transom of the boat. Simply replace one of the mounting nuts with a McGard locking nut. McGard outboard motor locks are identical in quality and construction to our stern drive locks. A free-spinning collar turns if attacked by gripping tools, protecting you against costly outboard motor theft and the resulting inconvenience.