Twin McGard Stern Drive Lock
Twin McGard Stern Drive Lock
Twin McGard Stern Drive Lock

Twin McGard Stern Drive Lock

MCG 74019

Regular price$38.95
Shipping calculated at checkout.

  • Low stock - 10 items left
  • Inventory on the way

Description: Protect your boat's stern drives from theft with the McGard Boat Anti-Theft Locking Lug Set, crafted from high-quality stainless steel and through-hardened for exceptional strength and durability. Each locking lug features a robust design with a free-spinning collar that resists gripping tools, ensuring the lock remains secure against tampering attempts. Designed for ease of use, these locks fit directly onto the stern drive mounting nuts without requiring removal during boat operation.

Key Features:

  • Premium Construction: Fully machined from high-quality stainless steel and through-hardened for maximum security.
  • Anti-Theft Design: Free-spinning collar prevents loosening when subjected to gripping tools, providing reliable protection against theft.
  • Compatibility: Thread size 7/16"-20 fits MerCruiser® Alpha, Bravo I-III (including X & XR), Blackhawk, OMC Cobra & King Cobra, Volvo SX, DP-S stern drives.
  • Continuous Protection: Ensures 24/7 security without the need to remove the locks for boat operation.
  • Complete Set: Includes 2 locks with one key that fits both, along with covers for added protection.
  • Single Stern Drive Option: For boats with only one stern drive, consider the #MCG 74018 single McGard stern drive lock.
  • Made in the USA: Manufactured in the United States to meet high-quality standards.


  • Thread Size: 7/16"-20
  • Compatibility: Suitable for specified stern drives including MerCruiser®, OMC Cobra, and Volvo models.
  • Installation: Refer to the provided installation video for easy setup.
  • OEM Specifications: Manufactured according to original equipment manufacturer specifications.

Why Purchase This Item: Ensure the security of your boat's stern drives with the McGard Boat Anti-Theft Locking Lug Set, renowned for its robust construction and effective anti-theft features. Ideal for boaters seeking reliable protection against unauthorized removal, these locks offer peace of mind without compromising on convenience. Designed for simple installation and engineered to withstand marine conditions, McGard locks are a trusted choice among boat owners worldwide. Made in the USA with meticulous craftsmanship, they provide superior security tailored to your stern drive protection needs.

Protect your investment—order now and safeguard your boat with McGard Marine Locks!

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Recently viewed