Shop master lock universal trailer coupler lock

Sponsored
About our ads
$87.79
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 3 Pack
Amazon.com
Free shipping
$87.79
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 3 Pack
Amazon.com
Free shipping
$40.65
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
Free shipping
$40.65
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
Free shipping
$123.94
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 4 Pack
Amazon.com
Free shipping
$123.94
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 4 Pack
Amazon.com
Free shipping
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
11% off
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$63.19
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
Free shipping
$63.19
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
Free shipping
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$36.86
Master Lock 379DAT Trailer Lock, Universal
Mr. Lock
$36.86
Master Lock 379DAT Trailer Lock, Universal
Mr. Lock
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
$44.99
Master Lock Universal Trailer Coupler Lock, P63555
Tractor Supply Co.
$44.99
Master Lock Universal Trailer Coupler Lock, P63555
Tractor Supply Co.
$49.59
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$49.59
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$16.86
Master Lock 2866DAT Coupler Lock Fits 1/2" & 5/8"
Mr. Lock
$16.86
Master Lock 2866DAT Coupler Lock Fits 1/2" & 5/8"
Mr. Lock
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$41.99
Master Lock Trailer Coupler Lock - Red By Sportsman's Warehouse
Sportsman's Warehouse
$41.99
Master Lock Trailer Coupler Lock - Red By Sportsman's Warehouse
Sportsman's Warehouse
$43.99
Master Lock Universal Coupler Lock | For Trailers | By West Marine
WestMarine
$43.99
Master Lock Universal Coupler Lock | For Trailers | By West Marine
WestMarine
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$46.55
Master Lock Universal Trailer Coupler Lock 379KAATPY
etrailer.com
$46.55
Master Lock Universal Trailer Coupler Lock 379KAATPY
etrailer.com
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
$43.57
Master Lock Trailer Coupler Lock - Universal For All Sizes 379DAT
DkHardware.com
$43.57
Master Lock Trailer Coupler Lock - Universal For All Sizes 379DAT
DkHardware.com
$33.11
Master Lock Universal Trailer Coupler Lock 379DAT
etrailer.com
$33.11
Master Lock Universal Trailer Coupler Lock 379DAT
etrailer.com
$24.86
Master Lock Trailer Coupler Latch Lock - 3-1/2" Span - 9/32" Diameter - Chrome ML94VR
etrailer.com
$24.86
Master Lock Trailer Coupler Latch Lock - 3-1/2" Span - 9/32" Diameter - Chrome ML94VR
etrailer.com
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$50.00
Master Lock Universal Trailer Lock Fits 1-7/8" To 2-5/16" Coupler
eBay
Free shipping
$50.00
Master Lock Universal Trailer Lock Fits 1-7/8" To 2-5/16" Coupler
eBay
Free shipping
$61.72
Master Lock Trailer Lock, Universal Coupler 379Dat, Silver
eBay
Free shipping
$61.72
Master Lock Trailer Lock, Universal Coupler 379Dat, Silver
eBay
Free shipping
$31.32
Masterlock 389DAT Universal Coupler Lock
Hardware World
$31.32
Masterlock 389DAT Universal Coupler Lock
Hardware World
$61.39
MASTER LOCK Coupler Lock, Universal Trailer Coupler Lock For 1-7/8in. & 2In, 377KA
Zoro.com
$61.39
MASTER LOCK Coupler Lock, Universal Trailer Coupler Lock For 1-7/8in. & 2In, 377KA
Zoro.com
$19.99
Master Lock 9/16in. To 2 3/4in. Long Adjustable Stainless Steel Trailer Coupler Latch Lock, Model 2847DAT
Northern Tool
$19.99
Master Lock 9/16in. To 2 3/4in. Long Adjustable Stainless Steel Trailer Coupler Latch Lock, Model 2847DAT
Northern Tool
$111.09
Master Lock 389DAT | Universal Trailer Coupler Lock
AllDataResource.com
$111.09
Master Lock 389DAT | Universal Trailer Coupler Lock
AllDataResource.com
$94.28
Master Lock Trailer Coupler Lock 1 Pk
Walmart
Free shipping
$94.28
Master Lock Trailer Coupler Lock 1 Pk
Walmart
Free shipping
$43.99
Master Lock Universal Coupler Lock
RVupgradestore
$43.99
Master Lock Universal Coupler Lock
RVupgradestore
$38.95
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in.
eBay
$38.95
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in.
eBay
$82.49
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Traile
Everymarket INC
$82.49
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Traile
Everymarket INC
$34.99
Master Lock Lock And Adjustable Coupler Latch Lock Package | For Trailers | By West Marine
WestMarine
$34.99
Master Lock Lock And Adjustable Coupler Latch Lock Package | For Trailers | By West Marine
WestMarine
Trailer Security Made Simple with the Master Lock Universal Coupler Lock
0:26
Trailer Security Made Simple with the Master Lock Universal Couple…
2.2K viewsJan 10, 2025
YouTubeCommQuest
Secure Your Trailer with the Master Lock Universal Coupler Lock
0:28
Secure Your Trailer with the Master Lock Universal Coupler Lock
8.7K viewsDec 24, 2024
YouTubeCommQuest
Master Lock Universal Coupler Lock: Secure Your Trailer
0:28
Master Lock Universal Coupler Lock: Secure Your Trailer
2.3K viewsFeb 19, 2025
YouTubeCommQuest
Unboxing & Overview: Master Lock Universal Trailer Coupler Lock
3:13
Unboxing & Overview: Master Lock Universal Trailer Coupler Lock
5.4K viewsDec 10, 2015
YouTubeMatt Kaczynski
Universal Trailer Lock – How It Works & Should You Buy?
1:12
Universal Trailer Lock – How It Works & Should You Buy?
4 views1 month ago
YouTubeTeam Kandy
Master Lock Coupler Lock
2:00
Master Lock Coupler Lock
754 views11 months ago
YouTube44 Years Around the Sun
Video 18 - Newbie vs. Master Lock 389DAT Trailer Coupler Lock - No tension lever needed :)
1:37
Video 18 - Newbie vs. Master Lock 389DAT Trailer Coupler Lock - No …
10.7K viewsFeb 15, 2022
YouTubeLock Picking Newbie
1:45
Universal Coupler Lock: Review and Demo
7.5K viewsJun 4, 2021
YouTubeU-Haul Trailer Hitches And Towing
2:22
etrailer | A Closer Look at the Master Lock Trailer Coupler Lock
239 views7 months ago
YouTubeetrailer
7:26
(1532) Master Lock Trailer Couplers (379ATPY & 389DAT) (JUNK!)
107.4K viewsJul 17, 2019
YouTubeBill Johnson
0:17
Add a Master Lock 2 5/16” coupler lock and protect your trailer for le…
2.2K views5 months ago
YouTubeSales, Parts & Service. Your Trailer Experts.
0:53
Testing: Haul MASTER Harbor Freight Trailer Ball Universal Coup…
23.9K views11 months ago
YouTubeNaptownTuner
1:00
Master Lock Universal Size Fits 1 78, 2, and 2 516 Couplers Trailer Lock…
2 views6 months ago
YouTubeวัชรพงศ์ ทองเหว่า
1:00
How To Install a Universal Coupler Lock
14.6K viewsSep 4, 2020
YouTubeTowSmart
0:36
Universal trailer coupler lock & more!
8.9K views5 months ago
YouTubeModern Mend
4:35
Harbor Freight Universal Trailer Lock
5.3K viewsNov 24, 2022
YouTubeGriff
1:42
Protect Your Trailer from Theft! Master Lock #389DAT Tested!
336 viewsDec 22, 2024
YouTubeCommQuest
0:36
Universal trailer coupler lock & more
8.4K views5 months ago
YouTubeDraft & Done
6:36
TOP 5 Best Trailer Coupler Locks 2026
7 views2 months ago
YouTubeUnbox Now
10:46
Proven Industries 2516 vs S175 Locks: Easy to Pick? The Real Wo…
9.8K views9 months ago
YouTubeAdventure Rocks
5:55
How to Install the NEW Proven Industries Model 2516 Coupler Lo…
11.8K views6 months ago
YouTubeProven Industries
1:58
U-Haul Coupler Security Lock | Setup and Review - COUPLERLOCK
1.7K views7 months ago
YouTubeU-Haul Trailer Hitches And Towing
4:14
Top 5 Best Trailer Lock in 2025
479 viewsJul 13, 2024
YouTubeReview Click
4:29
Coupler Locks to Secure Your Trailer
53.7K viewsJun 4, 2021
YouTubeU-Haul Trailer Hitches And Towing
0:21
Part 4 | What is the best Trailer Lock? Master Lock
9.4K viewsApr 18, 2025
YouTubeLVT
15:01
How To Lock Up Your Dump Trailer.
1.7K views10 months ago
YouTubeMike's World
0:24
RETRUE Trailer Coupler Lock, Universal Hitch Lock
985 views1 month ago
YouTubeCart it with Jamie
3:16
[410] Master Lock 605DAT Trailer Coupler Lock Picked and Bypassed
28.4K viewsMar 10, 2017
YouTubeLockPickingLawyer
2:26
Quality product - Master Lock Trailer Lock, Trailer Coupler & Receiver L…
4 views5 months ago
YouTubeRT Shop
See more videos
Static thumbnail place holder

Shop master lock universal trailer coupler lock

Sponsored
About our ads
$44.99
Master Lock Universal Trailer Coupler Lock, P63555
Tractor Supply Co.
$44.99
Master Lock Universal Trailer Coupler Lock, P63555
Tractor Supply Co.
$49.59
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$49.59
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$16.86
Master Lock 2866DAT Coupler Lock Fits 1/2" & 5/8"
Mr. Lock
$16.86
Master Lock 2866DAT Coupler Lock Fits 1/2" & 5/8"
Mr. Lock
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$41.99
Master Lock Trailer Coupler Lock - Red By Sportsman's Warehouse
Sportsman's Warehouse
$41.99
Master Lock Trailer Coupler Lock - Red By Sportsman's Warehouse
Sportsman's Warehouse
$43.99
Master Lock Universal Coupler Lock | For Trailers | By West Marine
WestMarine
$43.99
Master Lock Universal Coupler Lock | For Trailers | By West Marine
WestMarine
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$32.39
MASTER LOCK Coupler Lock, Universal, 389DAT
Zoro.com
$46.55
Master Lock Universal Trailer Coupler Lock 379KAATPY
etrailer.com
$46.55
Master Lock Universal Trailer Coupler Lock 379KAATPY
etrailer.com
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
$187.80
Master Lock Universal Trailer Coupler Lock, Fits Most 1-7/8", 2" And 2-5/16" Couplers - 389DAT - Pkg Qty 4
Global Industrial
$43.57
Master Lock Trailer Coupler Lock - Universal For All Sizes 379DAT
DkHardware.com
$43.57
Master Lock Trailer Coupler Lock - Universal For All Sizes 379DAT
DkHardware.com
$33.11
Master Lock Universal Trailer Coupler Lock 379DAT
etrailer.com
$33.11
Master Lock Universal Trailer Coupler Lock 379DAT
etrailer.com
$24.86
Master Lock Trailer Coupler Latch Lock - 3-1/2" Span - 9/32" Diameter - Chrome ML94VR
etrailer.com
$24.86
Master Lock Trailer Coupler Latch Lock - 3-1/2" Span - 9/32" Diameter - Chrome ML94VR
etrailer.com
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$13.99
Master Lock Adjustable Stainless Steel Trailer Coupler Latch Lock By Sportsman's Warehouse
Sportsman's Warehouse
$50.00
Master Lock Universal Trailer Lock Fits 1-7/8" To 2-5/16" Coupler
eBay
Free shipping
$50.00
Master Lock Universal Trailer Lock Fits 1-7/8" To 2-5/16" Coupler
eBay
$61.72
Master Lock Trailer Lock, Universal Coupler 379Dat, Silver
eBay
Free shipping
$61.72
Master Lock Trailer Lock, Universal Coupler 379Dat, Silver
eBay
$31.32
Masterlock 389DAT Universal Coupler Lock
Hardware World
$31.32
Masterlock 389DAT Universal Coupler Lock
Hardware World
$61.39
MASTER LOCK Coupler Lock, Universal Trailer Coupler Lock For 1-7/8in. & 2In, 377KA
Zoro.com
$61.39
MASTER LOCK Coupler Lock, Universal Trailer Coupler Lock For 1-7/8in. & 2In, 377KA
Zoro.com

Shop master lock universal trailer coupler lock

Sponsored
About our ads
$87.79
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 3 Pack
Amazon.com
Free shipping
$87.79
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 3 Pack
Amazon.com
Free shipping
$40.65
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
Free shipping
$40.65
Master Lock Black Universal Size Trailer Hitch Lock, Trailer Coupler Lock For Securing Rvs, Horse Trailers, Tool Trailers And More, 379ATPY
Amazon.com
Free shipping
$123.94
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 4 Pack
Amazon.com
Free shipping
$123.94
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT, 4 Pack
Amazon.com
Free shipping
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
11% off
$36.99
$41.99
Master Lock Universal Trailer Coupler Lock
Tractor Supply Co.
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$17.40
Master Lock 1471DAT Trailer Coupler Latch Lock, 3-4/10" Long Shackle X 9/32" Diameter Pin
Amazon.com
$63.19
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
Free shipping
$63.19
Master Lock 378DAT Trailer Coupler Lock, 2-5/16-Inch
Amazon.com
Free shipping
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$31.47
Master Lock 389DAT Universal Trailer Coupler Lock, Red
Mr. Lock
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$43.77
Master Lock Coupler Lock: Universal, Powder Coated, (2) Keys, Coupler Lock Model: 389DAT
Grainger
$36.86
Master Lock 379DAT Trailer Lock, Universal
Mr. Lock
$36.86
Master Lock 379DAT Trailer Lock, Universal
Mr. Lock
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
$34.99
Master Lock Universal Trailer Coupler Lock, Model 389DAT
Northern Tool
$44.99
Master Lock Universal Trailer Coupler Lock, P63555
Tractor Supply Co.
$44.99
Master Lock Universal Trailer Coupler Lock, P63555
Tractor Supply Co.
$49.59
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$49.59
Master Lock Trailer Coupler Lock Universal 1-7/8-In. 389DAT
DkHardware.com
$16.86
Master Lock 2866DAT Coupler Lock Fits 1/2" & 5/8"
Mr. Lock
$16.86
Master Lock 2866DAT Coupler Lock Fits 1/2" & 5/8"
Mr. Lock
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$61.65
Master Lock Universal Trailer Coupler Lock Keyed Alike To Key 0501 | 379KAATPY-0501
Lowe's
$41.99
Master Lock Trailer Coupler Lock - Red By Sportsman's Warehouse
Sportsman's Warehouse
$41.99
Master Lock Trailer Coupler Lock - Red By Sportsman's Warehouse
Sportsman's Warehouse
$43.99
Master Lock Universal Coupler Lock | For Trailers | By West Marine
WestMarine
$43.99
Master Lock Universal Coupler Lock | For Trailers | By West Marine
WestMarine
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial
$41.95
Master Lock Universal Coupler Lock, Keyed Alike, Fits 1-7/8", 2" & 2-5/16", 379KAATPY
Global Industrial