Skip to content
  • Trailer Parts
    • Accessories
    • Trailer Axles & Axle Parts
    • Bearings & Seals
    • Boat Cleaners
    • Brakes and Parts
    • Bunks, Carpet & Hardware
    • Couplers, Cables & Chains
    • Fenders & Frame Hardware
    • Grease Caps, Protectors
    • Guides, Side Load Guides
    • Hubs, Marine Grease & Oil
    • Jacks
    • Leaf Springs, Trailer Suspension
    • Lighting & Wiring
    • Locks, Trailer Hitch & Coupler
    • Nuts, Bolts & Fasteners
    • Rollers
    • Swing Tongues
    • Tie Downs
    • Tires and Wheels
    • U-Bolts & Hardware
    • Winches
    • Winch Post Mounts
  • New Boat Trailers
    • Aluminum I-Beam Boat Trailers
    • Aluminum C-Channel Boat Trailers
    • Galvanized Boat Trailers
    • Military Trailers
    • Painted Boat Trailers
    • Personal Water Craft (PWC) Trailers
    • Pontoon Boat Trailers
    • New Boat Trailer Warranty
  • Trailer Service & Repair
    • Trailer Service & Maintenance
    • Boat Fiberglass, Gel Coat & Canvas Repairs
  • Contact Us
  • Account
Pacific Boat Trailers
Cart
  • Trailer Parts
    • Accessories
    • Trailer Axles & Axle Parts
    • Bearings & Seals
    • Boat Cleaners
    • Brakes and Parts
    • Bunks, Carpet & Hardware
    • Couplers, Cables & Chains
    • Fenders & Frame Hardware
    • Grease Caps, Protectors
    • Guides, Side Load Guides
    • Hubs, Marine Grease & Oil
    • Jacks
    • Leaf Springs, Trailer Suspension
    • Lighting & Wiring
    • Locks, Trailer Hitch & Coupler
    • Nuts, Bolts & Fasteners
    • Rollers
    • Swing Tongues
    • Tie Downs
    • Tires and Wheels
    • U-Bolts & Hardware
    • Winches
    • Winch Post Mounts
  • New Boat Trailers
    • Aluminum I-Beam Boat Trailers
    • Aluminum C-Channel Boat Trailers
    • Galvanized Boat Trailers
    • Military Trailers
    • Painted Boat Trailers
    • Personal Water Craft (PWC) Trailers
    • Pontoon Boat Trailers
    • New Boat Trailer Warranty
  • Trailer Service & Repair
    • Trailer Service & Maintenance
    • Boat Fiberglass, Gel Coat & Canvas Repairs
  • Contact Us
Account
Item added to cart. View cart and check out.

Locks - Trailer Hitch & Coupler

Trailer Coupler Locks can be used while towing and can also be used to help prevent trailer theft. A good investment for trailer security, these trailer coupler locks have unique designs, which protect your trailer better than ordinary padlocks.

Fulton locks are perfect for boat, utility, cargo, RV, horse and many other recreational trailers.

Bulldog Easy Access Trailer Coupler Lock with Extended Shank #580409 - Pacific Boat Trailers
Bulldog
Bulldog Easy Access Trailer Coupler Lock with Extended Shank #580409
3 reviews
Regular price $ 18.52
View
FULTON 5/8" Trailer Hitch Receiver Lock. #63248 - Pacific Boat Trailers
Fulton
FULTON 5/8" Trailer Hitch Receiver Lock. #63248
Sold Out
View
FULTON Gorilla Guard Coupler Lock 2 5/16" Ball #63227 - Pacific Boat Trailers
Fulton
FULTON Gorilla Guard Coupler Lock 2 5/16" Ball #63227
Regular price $ 53.06
View
FULTON Gorilla Guard Coupler Lock 2" Ball #63228 - Pacific Boat Trailers
Fulton
FULTON Gorilla Guard Coupler Lock 2" Ball #63228
No reviews
Sold Out
View
FULTON Reese TowPower Brass Trailer Coupler Lock #7005300 - Pacific Boat Trailers
Fulton
FULTON Reese TowPower Brass Trailer Coupler Lock #7005300
1 review
Sold Out
View
FULTON-'HITCHLOCK'-Trailer Coupler Lock #63225 - Pacific Boat Trailers
Fulton
FULTON-'HITCHLOCK'-Trailer Coupler Lock #63225
No reviews
Sold Out
View
Tow Ready Universal Fit Trailer Coupler Lock #72783 - Pacific Boat Trailers
Fulton
Tow Ready Universal Fit Trailer Coupler Lock #72783
Regular price $ 26.87
View
Trailer Coupler Lock, Deadbolt Style with 2" Span #63221KA - Pacific Boat Trailers
Fulton
Trailer Coupler Lock, Deadbolt Style with 2" Span #63221KA
Regular price $ 26.54
View
Trailer Hitch Pin & Clip Set, 5/8" Diameter - Pacific Boat Trailers
Fulton
Trailer Hitch Pin & Clip Set, 5/8" Diameter
Regular price $ 9.88
View
Trailer Hitch Receiver and Coupler Lock Set - Keyed Alike #63250 - Pacific Boat Trailers
Fulton
Trailer Hitch Receiver and Coupler Lock Set - Keyed Alike #63250
Regular price $ 43.16
View

Quick Links

  • Customer Service
  • Tips & Advice
  • About Us
  • Warranty
  • Return & Refund Policy
  • Employment
  • Privacy Policy
  • Terms of Service
  • Contact Us
  • Do Not Sell My Personal Info

Address

Pacific Boat Trailers
2855 Sampson Ave
Corona, CA 92879

Follow us

  • Facebook
  • Twitter
  • Instagram
© 1971-2023, Pacific Trailers.
Payment methods
  • American Express
  • Apple Pay
  • Discover
  • Meta Pay
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Venmo
  • Visa
  • Choosing a selection results in a full page refresh.
  • Press the space key then arrow keys to make a selection.
  • Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device