Shop trailer defender lock

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$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Alike - ULINE
Uline
$41.00
King Pin Locks - Keyed Alike - ULINE
Uline
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
3K+
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$68.99
$89.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
126
Free shipping
23% off
$68.99
$89.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
$95.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV, Trailer, Boat, Pickup(Red
Amazon.com
Free shipping
$95.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV, Trailer, Boat, Pickup(Red
Amazon.com
$30.71
$36.08
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
1K+
14% off
$30.71
$36.08
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
$159.95
Trailer Defender Heavy-Duty Trailer Coupler Lock. Trailer Defender. Horse Trailers & Accessories. 10-HDCL2516 PL.
eBay
Free shipping
$159.95
Trailer Defender Heavy-Duty Trailer Coupler Lock. Trailer Defender. Horse Trailers & Accessories. 10-HDCL2516 PL.
eBay
$295.00
Proven Industries 2517-D1 Trailer Lock - Fits 2 5/16-Inch Demco Cast Couplers, Heavy-Duty Security, Unique Key Design, Made In USA, Blue
Amazon.com
5
Free shipping
$295.00
Proven Industries 2517-D1 Trailer Lock - Fits 2 5/16-Inch Demco Cast Couplers, Heavy-Duty Security, Unique Key Design, Made In USA, Blue
Amazon.com
$75.00
Trailer Defender Heavy-Duty 2-5/16" Trailer Coupler Lock. Black. Trailer Hitches.
eBay
Free shipping
$75.00
Trailer Defender Heavy-Duty 2-5/16" Trailer Coupler Lock. Black. Trailer Hitches.
eBay
$317.36
Trailer Defender & 174 Heavy-Duty 2" Trailer Coupler Lock With Safety Chain Sec. Trailer Defender. Blue. Door Locks & Lock Mechanisms.
eBay
Free shipping
$317.36
Trailer Defender & 174 Heavy-Duty 2" Trailer Coupler Lock With Safety Chain Sec. Trailer Defender. Blue. Door Locks & Lock Mechanisms.
eBay
$73.99
(4 Pack) - Trailer King Pin Lock With Yellow Caution Tag, Heavy-Duty Steel, 2 Keys, Anti-Theft | King Pin Hitch Lock For Campers, 5th Wheel, & RV
MyteeProducts
$73.99
(4 Pack) - Trailer King Pin Lock With Yellow Caution Tag, Heavy-Duty Steel, 2 Keys, Anti-Theft | King Pin Hitch Lock For Campers, 5th Wheel, & RV
MyteeProducts
$218.45
Infiniterule Trailer Coupler Lock Kit - 2" Demco Ez-Latch Couplers W/ Hitch Lock & Coupler Lock IR37RR
etrailer.com
$218.45
Infiniterule Trailer Coupler Lock Kit - 2" Demco Ez-Latch Couplers W/ Hitch Lock & Coupler Lock IR37RR
etrailer.com
$79.49
4Pk Keyed Alike Heavy Duty Trailer Coupler Lock - Fit 1-7/8", 2" & 2-5/16"
MyteeProducts
5
$79.49
4Pk Keyed Alike Heavy Duty Trailer Coupler Lock - Fit 1-7/8", 2" & 2-5/16"
MyteeProducts
$340.00
B&W Trailer Hitches Defender Locking Gooseneck Coupler (GNC4250)
Down East Offroad Inc.
17
$340.00
B&W Trailer Hitches Defender Locking Gooseneck Coupler (GNC4250)
Down East Offroad Inc.
$42.85
Master Lock Coupler Lock: Universal, 1 7/8 In/2 5/16 In/2 In, Powder Coated, (2) Keys Model: 389DAT
Grainger
17K+
$42.85
Master Lock Coupler Lock: Universal, 1 7/8 In/2 5/16 In/2 In, Powder Coated, (2) Keys Model: 389DAT
Grainger
$52.15
Master Lock Starter Sentry 379Dat Trailer Coupler Lock
PartsVia.com
$52.15
Master Lock Starter Sentry 379Dat Trailer Coupler Lock
PartsVia.com
$23.99
Bulldog Easy Access Side Key Trailer Tow Hitch Coupler Tongue Lock W/ 2 Keys Lock Housing Rotates 360 Degrees
TrailerJacks.com
27
$23.99
Bulldog Easy Access Side Key Trailer Tow Hitch Coupler Tongue Lock W/ 2 Keys Lock Housing Rotates 360 Degrees
TrailerJacks.com
$78.78
Master Lock Starter Sentry 378Dat Trailer Coupler Lock
PartsVia.com
$78.78
Master Lock Starter Sentry 378Dat Trailer Coupler Lock
PartsVia.com
$59.09
Master Lock Starter Sentry 377Dat Trailer Coupler Lock
PartsVia.com
$59.09
Master Lock Starter Sentry 377Dat Trailer Coupler Lock
PartsVia.com
$69.90
VEVOR Trailer Lock Fits 2-5/16-Inch Airstream Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant Anti-Theft Trailer
VEVOR
$69.90
VEVOR Trailer Lock Fits 2-5/16-Inch Airstream Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Rust-Resistant Anti-Theft Trailer
VEVOR
$39.40
$58.08
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT 377KA Trailer Hitch Lock, Fits 1-7/8 In, 2 In, And Most 2-5/16 in. Trailer Couplers
SHOP GRV
32% off
$39.40
$58.08
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT 377KA Trailer Hitch Lock, Fits 1-7/8 In, 2 In, And Most 2-5/16 in. Trailer Couplers
SHOP GRV
$27.95
CURT Universal Fit Trailer Coupler Lock 23090
Trailer Parts Superstore
$27.95
CURT Universal Fit Trailer Coupler Lock 23090
Trailer Parts Superstore
$10.95
CE SMITH Trailer Coupler Lock 00900-40
Trailer Parts Superstore
44
$10.95
CE SMITH Trailer Coupler Lock 00900-40
Trailer Parts Superstore
$72.99
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Straight Tongue Ball Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Anti-Theft Rv Trailer
VEVOR
$72.99
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Straight Tongue Ball Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Anti-Theft Rv Trailer
VEVOR
$35.99
Draw-Tite Trailer Tow Hitch Coupler Tongue Lock Gorilla Guard Fits 2" Couplers W/ 2 Keys
TrailerJacks.com
1K+
$35.99
Draw-Tite Trailer Tow Hitch Coupler Tongue Lock Gorilla Guard Fits 2" Couplers W/ 2 Keys
TrailerJacks.com
$48.00
$80.00
Trailer Hitch Lock, Anti Theft Coupler Lock Fits 1-7/8", 2" And 2-5/16"-Inch, Heavy Duty Trailer Lock For Maximum Safety And Protection, Camper Accessories For Travel Trailers Rvs
evacontinental.com
40% off
$48.00
$80.00
Trailer Hitch Lock, Anti Theft Coupler Lock Fits 1-7/8", 2" And 2-5/16"-Inch, Heavy Duty Trailer Lock For Maximum Safety And Protection, Camper Accessories For Travel Trailers Rvs
evacontinental.com
$19.95
CURT Trailer Coupler Lock 23521
Trailer Parts Superstore
2K+
$19.95
CURT Trailer Coupler Lock 23521
Trailer Parts Superstore
$46.89
$63.30
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT 377KA Trailer Hitch Lock, Fits 1-7/8 In, 2 In, And Most 2-5/16 in. Trailer Couplers
vyroqi.com
25% off
$46.89
$63.30
Master Lock Trailer Lock, Trailer Coupler Lock, Fits 2-5/16 in. Couplers, 378DAT 377KA Trailer Hitch Lock, Fits 1-7/8 In, 2 In, And Most 2-5/16 in. Trailer Couplers
vyroqi.com
$549.86
Altor Locks Trailer Coupler Lock: 2 5/16 In/2 in Model: MVP000.2516
Grainger
14
$549.86
Altor Locks Trailer Coupler Lock: 2 5/16 In/2 in Model: MVP000.2516
Grainger
$36.83
$48.19
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT
jmpropiedadca
Free shipping
23% off
$36.83
$48.19
Master Lock - Universal Size Fits 1-7/8", 2", And 2-5/16" Couplers - Trailer Locks 389DAT
jmpropiedadca
$45.00
$75.00
Upgraded Heavy Duty Trailer Lock Kit Fits 2-5/16" Bulldog Or Ram Couplers, Steel Security Tongue Locks With Keys, Weatherproof Anti-Theft Spherical Ball Hitch Lock Set For Boat Truck RV Camper
evacontinental.com
40% off
$45.00
$75.00
Upgraded Heavy Duty Trailer Lock Kit Fits 2-5/16" Bulldog Or Ram Couplers, Steel Security Tongue Locks With Keys, Weatherproof Anti-Theft Spherical Ball Hitch Lock Set For Boat Truck RV Camper
evacontinental.com
$340.00
B&W Trailer Hitches Defender Locking Gooseneck Coupler W/ 2 5/16" Integrated Lock | GNC4250
Thoroughbred Diesel
17
$340.00
B&W Trailer Hitches Defender Locking Gooseneck Coupler W/ 2 5/16" Integrated Lock | GNC4250
Thoroughbred Diesel
$549.86
Altor Locks Trailer Coupler Lock: 2 5/16 in Model: MVP005.2000
Grainger
7
$549.86
Altor Locks Trailer Coupler Lock: 2 5/16 in Model: MVP005.2000
Grainger
$76.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Bulldog Trailer Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant
VEVOR
10
$76.90
VEVOR Trailer Lock Fits 2 & 2-5/16-Inch Bulldog Trailer Couplers Heavy Duty Hitch Lock With 3 Keys Secures Security Chains Corrision-Resistant
VEVOR
Interstate Trailer Defender High Security Coupler Lock
1:18
Interstate Trailer Defender High Security Coupler Lock
19.4K viewsApr 13, 2021
YouTubeTrailersPlus1
7.3K views · 22 reactions | Protect your investment with Interstate’s Trailer Defender™ High-Security Coupler Lock! The Trailer Defender™ is one of the most heavy-duty, dependable, and theft-proof coupler locks on the market. Backed by our $500 Guarantee, if your trailer is stolen by defeating our High-Security Coupler Lock, just show us the broken lock and we will give you a $500 credit toward the purchase of a replacement trailer from us! | TrailersPlus | Facebook
1:18
7.3K views · 22 reactions | Protect your investment with Interstate’s …
2K views2 weeks ago
FacebookTrailersPlus
Trailer Defender
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Shop trailer defender lock

Sponsored
About our ads
$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Different, Yellow - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$30.00
Metal Trailer Lock - Keyed Alike, Blue - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Different - ULINE
Uline
$41.00
King Pin Locks - Keyed Alike - ULINE
Uline
$41.00
King Pin Locks - Keyed Alike - ULINE
Uline
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
3K+
$66.95
Master Lock Trailer Coupler Lock, 2-5/16" - 378DAT
Global Industrial
$68.99
$89.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
126
Free shipping
23% off
$68.99
$89.99
Harsire Upgraded Trailer Lock Fits 2 5/16 Inch Couplers, Heavy Duty Trailer Hitch Locks, Upgraded Anti-Theft Structure Coupler Lock, Security Trailer
Amazon.com
$95.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV, Trailer, Boat, Pickup(Red
Amazon.com
Free shipping
$95.99
2026 Upgraded Trailer Lock Fits 2-5/16 Inch Coupler, Heavy Duty Trailer Hitch Locks, Anti-Theft Trailer Coupler Lock For RV, Trailer, Boat, Pickup(Red
Amazon.com
$30.71
$36.08
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
1K+
14% off
$30.71
$36.08
Draw-Tite 63228 Gorilla Guard Universal Trailer Coupler Lock, Storage Security Lock Fits Most 2 Inch Trailer Couplers, Heavy-Duty Steel, Black
Amazon.com
$159.95
Trailer Defender Heavy-Duty Trailer Coupler Lock. Trailer Defender. Horse Trailers & Accessories. 10-HDCL2516 PL.
eBay
Free shipping
$159.95
Trailer Defender Heavy-Duty Trailer Coupler Lock. Trailer Defender. Horse Trailers & Accessories. 10-HDCL2516 PL.
eBay
$295.00
Proven Industries 2517-D1 Trailer Lock - Fits 2 5/16-Inch Demco Cast Couplers, Heavy-Duty Security, Unique Key Design, Made In USA, Blue
Amazon.com
5
Free shipping
$295.00
Proven Industries 2517-D1 Trailer Lock - Fits 2 5/16-Inch Demco Cast Couplers, Heavy-Duty Security, Unique Key Design, Made In USA, Blue
Amazon.com
$75.00
Trailer Defender Heavy-Duty 2-5/16" Trailer Coupler Lock. Black. Trailer Hitches.
eBay
Free shipping
$75.00
Trailer Defender Heavy-Duty 2-5/16" Trailer Coupler Lock. Black. Trailer Hitches.
eBay
$317.36
Trailer Defender & 174 Heavy-Duty 2" Trailer Coupler Lock With Safety Chain Sec. Trailer Defender. Blue. Door Locks & Lock Mechanisms.
eBay
Free shipping
$317.36
Trailer Defender & 174 Heavy-Duty 2" Trailer Coupler Lock With Safety Chain Sec. Trailer Defender. Blue. Door Locks & Lock Mechanisms.
eBay
$73.99
(4 Pack) - Trailer King Pin Lock With Yellow Caution Tag, Heavy-Duty Steel, 2 Keys, Anti-Theft | King Pin Hitch Lock For Campers, 5th Wheel, & RV
MyteeProducts
$73.99
(4 Pack) - Trailer King Pin Lock With Yellow Caution Tag, Heavy-Duty Steel, 2 Keys, Anti-Theft | King Pin Hitch Lock For Campers, 5th Wheel, & RV
MyteeProducts
$218.45
Infiniterule Trailer Coupler Lock Kit - 2" Demco Ez-Latch Couplers W/ Hitch Lock & Coupler Lock IR37RR
etrailer.com
$218.45
Infiniterule Trailer Coupler Lock Kit - 2" Demco Ez-Latch Couplers W/ Hitch Lock & Coupler Lock IR37RR
etrailer.com
$79.49
4Pk Keyed Alike Heavy Duty Trailer Coupler Lock - Fit 1-7/8", 2" & 2-5/16"
MyteeProducts
5
$79.49
4Pk Keyed Alike Heavy Duty Trailer Coupler Lock - Fit 1-7/8", 2" & 2-5/16"
MyteeProducts
$340.00
B&W Trailer Hitches Defender Locking Gooseneck Coupler (GNC4250)
Down East Offroad Inc.
17
$340.00
B&W Trailer Hitches Defender Locking Gooseneck Coupler (GNC4250)
Down East Offroad Inc.
$42.85
Master Lock Coupler Lock: Universal, 1 7/8 In/2 5/16 In/2 In, Powder Coated, (2) Keys Model: 389DAT
Grainger
17K+
$42.85
Master Lock Coupler Lock: Universal, 1 7/8 In/2 5/16 In/2 In, Powder Coated, (2) Keys Model: 389DAT
Grainger
$52.15
Master Lock Starter Sentry 379Dat Trailer Coupler Lock
PartsVia.com
$52.15
Master Lock Starter Sentry 379Dat Trailer Coupler Lock
PartsVia.com

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