Shop by Category Close

  • Motors & Propellers Motors & Propellers
  • Hardware & Paint Hardware & Paint
  • Electronics Electronics
  • Pumps & Plumbing Pumps & Plumbing
  • Anchor & Dock Anchor & Dock
  • Trailering Trailering
  • Covers & Bimini Tps Covers & Bimini Tps
  • Cabin & Galley Cabin & Galley
  • Boat Seats Boat Seats
  • Watersports Watersports
Motors & Propellers View All Products
  • Engine Engine
  • Fuel Fuel
  • Navigation Navigation
  • Propellers Propellers
  • Steering & Controls Steering & Controls
  • Trolling Motors Trolling Motors
  • Ventilation Ventilation
Hardware & Paint View All Products
  • Anodes Anodes
  • Fasteners Fasteners
  • Hardware Hardware
  • Maintenance Maintenance
  • Paint Paint
Electronics View All Products
  • Electrical Electrical
  • Electronics Electronics
Pumps & Plumbing View All Products
  • Plumbing Plumbing
Anchor & Dock View All Products
  • Anchoring Anchoring
Trailering View All Products
  • Trailering Trailering
Covers & Bimini Tps View All Products
  • Covers & Tops Covers & Tops
Cabin & Galley View All Products
  • General Boating General Boating
Boat Seats View All Products
  • Seating Seating
Watersports View All Products
  • Watersports Watersports
 
Boatplicity
  • Shopping Cart
  • My Account Hello. Sign In
Categories
  • Motors & Propellers Motors & Propellers
  • Hardware & Paint Hardware & Paint
  • Electronics Electronics
  • Pumps & Plumbing Pumps & Plumbing
  • Anchor & Dock Anchor & Dock
  • Trailering Trailering
  • Covers & Bimini Tps Covers & Bimini Tps
  • Cabin & Galley Cabin & Galley
  • Boat Seats Boat Seats
  • Watersports Watersports
Motors & Propellers View All Products
  • Engine Engine
  • Fuel Fuel
  • Navigation Navigation
  • Propellers Propellers
  • Steering & Controls Steering & Controls
  • Trolling Motors Trolling Motors
  • Ventilation Ventilation
Hardware & Paint View All Products
  • Anodes Anodes
  • Fasteners Fasteners
  • Hardware Hardware
  • Maintenance Maintenance
  • Paint Paint
Electronics View All Products
  • Electrical Electrical
  • Electronics Electronics
Pumps & Plumbing View All Products
  • Plumbing Plumbing
Anchor & Dock View All Products
  • Anchoring Anchoring
Trailering View All Products
  • Trailering Trailering
Covers & Bimini Tps View All Products
  • Covers & Tops Covers & Tops
Cabin & Galley View All Products
  • General Boating General Boating
Boat Seats View All Products
  • Seating Seating
Watersports View All Products
  • Watersports Watersports
My Account
  • Sign In
  • Create Account
Boatplicity.com
  • Check Order Register Log in

Your Cart

loop
  • Motors & Propellers

    • Engine
    • Fuel
    • Navigation
    • Propellers
    • Steering & Controls
    • Trolling Motors
    • Ventilation
  • Hardware & Paint

    • Anodes
    • Fasteners
    • Hardware
    • Maintenance
    • Paint
  • Electronics

    • Electrical
    • Electronics
  • Pumps & Plumbing

    • Plumbing
  • Anchor & Dock

    • Anchoring
  • Trailering

    • Trailering
  • Covers & Bimini Tps

    • Covers & Tops
  • Cabin & Galley

    • General Boating
  • Boat Seats

    • Seating
  • Watersports

    • Watersports
Get 20% OFF Shipping Right now Put in your email to get
the Coupon Code
Email:

Thank you for joining the Boatplicity Newsletter

Coupon Code:
20offshipping
Categories
  • Anchor & Dock
  • Boat Seats
  • Cabin & Galley
  • Covers & Bimini Tps
  • Electronics
  • Fishing
  • Hardware, Paint & Maintenance
  • Motors, Parts & Propellers
  • Pumps & Plumbing
  • Safety & Survival
  • Sailing
  • Trailering
  • Watersports
  • Interior
  • Powersports & Motorcycle
  • Lawn & Garden
  • Home Improvement
  • RV & Marine
Manufacturers
  • 303 Products
  • Absorber
  • Advanced Power Systems
  • American Tec
  • B&W
View all
Want to receive promotions and offers?
Wait...
Filters
Category
Hitch Pin Clip
Trailer Hitch
Trailer Hitch Lock
Price

Master Lock

32 results found

1 - 30 of 32
Best Seller
Picture of Master Lock 378DAT Adjustable Universal Coupler Lock for 2-5/16 Inch Trailer Couplers
Master Lock 378DAT Adjustable Universal Coupler Lock for 2-5/16 Inch Trailer Couplers
Picture for manufacturer Master Lock

Part Number

378DAT

$66.97

free shipping

FREE SHIPPING

In Stock (10+)

Best Seller
Picture of Master Lock 1469dat 5/8" Heavy Duty Receiver Lock
Master Lock 1469dat 5/8" Heavy Duty Receiver Lock
Picture for manufacturer Master Lock

Part Number

1469DAT

$25.50

In Stock (10+)

Best Seller
Picture of Master Lock 377DAT Universal Trailer Coupler Lock Chrome
Master Lock 377DAT Universal Trailer Coupler Lock Chrome
Picture for manufacturer Master Lock

Part Number

377DAT

$39.90

In Stock (10+)

Picture of Master Lock 605DAT Trailer Coupler Lock for 1-7/8" and 2" Couplers
Master Lock 605DAT Trailer Coupler Lock for 1-7/8" and 2" Couplers
Picture for manufacturer Master Lock

Part Number

605DAT

$11.77

In Stock (7)

Picture of Master Lock 1465DAT Hitch Pin Lock Stainless Steel 5/8 Inch
Master Lock 1465DAT Hitch Pin Lock Stainless Steel 5/8 Inch
Picture for manufacturer Master Lock

Part Number

1465DAT

$12.38

In Stock (10+)

Picture of Master Lock 379DAT Coupler Lock for Trailers
Master Lock 379DAT Coupler Lock for Trailers
Picture for manufacturer Master Lock

Part Number

379DAT

$30.52

In Stock (10+)

Picture of Master Lock 3794DAT Trailer Lock Kit - 3-Piece Keyed Alike Coupler and Receiver Set
Master Lock 3794DAT Trailer Lock Kit - 3-Piece Keyed Alike Coupler and Receiver Set
Picture for manufacturer Master Lock

Part Number

3794DAT

$69.96

free shipping

FREE SHIPPING

In Stock (10+)

Picture of Master Lock 377KA Universal Trailer Coupler Lock for 1-7/8" and 2" Hitch Balls
Master Lock 377KA Universal Trailer Coupler Lock for 1-7/8" and 2" Hitch Balls
Picture for manufacturer Master Lock

Part Number

377KA

$40.89

In Stock (10+)

Picture of Master Lock 1480DAT Receiver Hitch Lock Stainless Steel 1/2" and 5/8"
Master Lock 1480DAT Receiver Hitch Lock Stainless Steel 1/2" and 5/8"
Picture for manufacturer Master Lock

Part Number

1480DAT

$23.60

In Stock (10+)

Picture of Master Lock 1470dat Trailer Hitch Receiver Lock
Master Lock 1470dat Trailer Hitch Receiver Lock
Picture for manufacturer Master Lock

Part Number

1470DAT

$18.40

4 left at this price

Picture of Master Lock 389DAT Universal Coupler Lock for Trailers
Master Lock 389DAT Universal Coupler Lock for Trailers
Picture for manufacturer Master Lock

Part Number

389DAT

$27.77

In Stock (10+)

Picture of Master Lock 1481DAT Stainless Steel Hitch Receiver and Coupler Lock Set
Master Lock 1481DAT Stainless Steel Hitch Receiver and Coupler Lock Set
Picture for manufacturer Master Lock

Part Number

1481DAT

$32.78

3 left at this price

Picture of Master Lock 2848DAT Coupler and Receiver Lock Set with Keyed Alike Locks
Master Lock 2848DAT Coupler and Receiver Lock Set with Keyed Alike Locks
Picture for manufacturer Master Lock

Part Number

2848DAT

$23.12

In Stock (10+)

Picture of Master Lock 1479DAT Receiver Locks
Master Lock 1479DAT Receiver Locks
Picture for manufacturer Master Lock

Part Number

1479DAT

$18.16

1 left at this price

Picture of Master Lock 2866DAT Swivel Head Receiver Lock for 1/2" and 5/8" Hitches
Master Lock 2866DAT Swivel Head Receiver Lock for 1/2" and 5/8" Hitches
Picture for manufacturer Master Lock

Part Number

2866DAT

$16.72

In Stock (10+)

Picture of Master Lock 1495dat 0.62" Chrome Steel Pivot Lock Hitch Pin
Master Lock 1495dat 0.62" Chrome Steel Pivot Lock Hitch Pin
Picture for manufacturer Master Lock

Part Number

1495DAT

$7.08

In Stock (10+)

Picture of Master Lock 2847DAT Trailer Hitch Coupler Lock Adjustable Stainless Steel
Master Lock 2847DAT Trailer Hitch Coupler Lock Adjustable Stainless Steel
Picture for manufacturer Master Lock

Part Number

2847DAT

$10.28

In Stock (10+)

Picture of Master Lock 770 Heavy-Duty Steel Hasp Lock 9 Inch
Master Lock 770 Heavy-Duty Steel Hasp Lock 9 Inch
Picture for manufacturer Master Lock

Part Number

770

$25.76

In Stock (10+)

Picture of Master Lock 140D Solid Brass Keyed Padlock 1-9/16 Inch Body
Master Lock 140D Solid Brass Keyed Padlock 1-9/16 Inch Body
Picture for manufacturer Master Lock

Part Number

140D

$7.71

In Stock (10+)

Picture of Master Lock 510D Laminated Steel Padlock with Adjustable Shackle
Master Lock 510D Laminated Steel Padlock with Adjustable Shackle
Picture for manufacturer Master Lock

Part Number

510D

$9.46

In Stock (5)

Picture of Master Lock 3DLF 1-9/16" Wide Laminated Steel Padlock with 1-1/2" Shackle
Master Lock 3DLF 1-9/16" Wide Laminated Steel Padlock with 1-1/2" Shackle
Picture for manufacturer Master Lock

Part Number

3DLF

$10.92

4 left at this price

Picture of Master Lock 379KAATPY Universal Coupler Lock
Master Lock 379KAATPY Universal Coupler Lock
Picture for manufacturer Master Lock

Part Number

379KAATPY

$42.16

In Stock (9)

Picture of Master Lock 5KAA4332 Laminated Steel Padlock Keyed Alike A4332
Representative Photo, actual item may vary
Master Lock 5KAA4332 Laminated Steel Padlock Keyed Alike A4332
Picture for manufacturer Master Lock

Part Number

5KAA4332

$20.13

In Stock (10+)

Picture of Master Lock 388KA Keyed Alike King Pin Lock 5/8 Inch
Representative Photo, actual item may vary
Master Lock 388KA Keyed Alike King Pin Lock 5/8 Inch
Picture for manufacturer Master Lock

Part Number

388KA

$125.14

free shipping

FREE SHIPPING

In Stock (5)

Picture of Master Lock 5401D Wall Mount Key Lock Box with Combination Lock
Master Lock 5401D Wall Mount Key Lock Box with Combination Lock
Picture for manufacturer Master Lock

Part Number

5401D

$31.99

In Stock (10+)

Picture of Master Lock 5400D   Portable Combination Safe
Master Lock 5400D Portable Combination Safe
Picture for manufacturer Master Lock

Part Number

5400D

$36.36

In Stock (10)

Picture of Master Lock 6321KA 2-1/8In (54Mm) Wide Proseries Shrouded Laminated Steel Rekeyable Pin Tumbler Padlock Keyed Alike
Master Lock 6321KA 2-1/8In (54Mm) Wide Proseries Shrouded Laminated Steel Rekeyable Pin Tumbler Padlock Keyed Alike
Picture for manufacturer Master Lock

Part Number

6321KA

$36.78

In Stock (10)

Picture of Master Lock 207D Magnetic Key Case
Master Lock 207D Magnetic Key Case
Picture for manufacturer Master Lock

Part Number

207D

$5.62

In Stock (10+)

Picture of Master Lock 3D Laminated Steel Padlock with 1-9/16" Body
Master Lock 3D Laminated Steel Padlock with 1-9/16" Body
Picture for manufacturer Master Lock

Part Number

3D

$9.62

1 left at this price

Picture of Master Lock 5KA Laminated Steel Padlock Set Keyed Alike 2-Pack
Master Lock 5KA Laminated Steel Padlock Set Keyed Alike 2-Pack
Picture for manufacturer Master Lock

Part Number

5KA

$13.47

In Stock (10+)

  • 1
  • 2
  • Next
Boatplicity Logo
  • Shipping & Returns
  • Privacy Notice
  • Conditions of Use
  • About us
  • Contact us
  • Coupons
  • Autoplicity Member's Club
  • Wholesale
  • Return items
  • Sitemap
  • My account
  • Orders
  • Addresses
  • Shopping cart
Want to receive promotions and offers?
Wait...
  • autoplicity
  • boatplicity
  • thmotorsports

Copyright © 2026 Boatplicity.com. All rights reserved.