Best Lock For Bulldog Coupler - April 2024

Trimax SXTC2 Premium Stainless Steel Coupler Lock (2.5" Span)

Trimax SXTC2 The SXTC2 features 100% stainless steel. Provides additional security for your camper, boat or trailer by securing the coupler of your trailer tongue. Also secures trailer door latches, cargo boxed and other types of doors. Features patented 1/4 turn technology that cannot be false locked. Provides dual force protection when used with the UMAX100 (sold separately). Patented dual lock lug design. Full length pin made of solid forged machined steel that cannot be pulled out. No internal springs to seize up or break. Knurling on lock heads adds style and grip. Stainless steel interna... [Read More]

• ASIN: B000W0RPYW
• UPC: 746927772230
• ASIN: B000W0RPYW
• Brand: Trimax
• Manufacturer: Trimax

"The Collar" Trailer Hitch Lock for Bulldog-style Couplers (Including the RAM)

• ASIN: B00HL2NM0K
• UPC: 858601001021
• ASIN: B00HL2NM0K
• Manufacturer: Collar Marketing, LLC

Blaylock American Metal TL-20 Coupler Lock

EZ Lock, Universal Coupler Fits most Hammerblow or Bulldog style 1 7/8", 2" and 2 5/16" trailer couplers and similar styles. Place slanted side toward front of coupler (marked front on lock). Insert 3/4\" steel pin and attach your padlock (padlock not included). Padlock not included. Related Search: SLT900529

• ASIN: B000CEFWO8
• UPC: 749560112203
• ASIN: B000CEFWO8
• Brand: Blaylock Trailer Products
• Manufacturer: Blaylock

Bulldog Coupler Lock - Ultra High Security - BOLT CUTTER PROOF!!!

TOTALLY NEW - NO NONSENSE APPROACH TO TRAILER SECURITY!!! This lock fits one of the most common utility/work trailers in use - the Bulldog sliding collar 2" & 2 5/16" coupler. It also fits the king pin of a 5th wheel coupler Made with 3/16" fully welded steel with welded hinges and hinge pins. Heavy yellow powdercoat finish which screams "stay away" Made in America. Limited Lifetime Warranty against manufacturing defects. This prevents a thief from easily cutting other types of locks and driving off with your trailer. Unlike almost all other locks for this application, this one is BOLT... [Read More]

• ASIN: B00XF7773I
• ASIN: B00XF7773I
• Brand: Ft. Knox Locks
• Manufacturer: Ft. Knox Locks

Master Lock - Universal Size Fits 1-7/8", 2", and 2-5/16" Couplers - Trailer Locks #389DAT

Universal trailer coupler lock Guards against trailer towaway theft. Advanced locking mechanism resists picking. Easy to install and remove Resists Rust and corrosion Keyway cover protects lock from moisture and dirt

• ASIN: B01MYCT0LG
• UPC: 071649263019
• ASIN: B01MYCT0LG
• Brand: Master Lock
• Size: 1-Pack
• Manufacturer: Master Lock

Bulldog (580410) Easy Access Adjustable Trailer Coupler Lock

Bulldog Easy Access adjustable coupler lock fits most trailer couplers, including wide latch style couplers.

• ASIN: B0053HNVU6
• UPC: 783192025883
• ASIN: B0053HNVU6
• Brand: Bulldog
• Manufacturer: Bulldog

Bulldog 580403 Chrome Coupler Lock

BULLDOG® LIFELONG® COUPLER LOCKTrailer lock fits around coupler. Strong break resistance. Dual self-locking design. High security square key design. Chrome finish. Limited 1-Year Warranty.

• ASIN: B004R374A0
• UPC: 783192025814
• ASIN: B004R374A0
• Brand: Bulldog
• Size: Blank Ski
• Manufacturer: Bulldog

CURT 25217 Black A-Frame Trailer Coupler Accepts 2-Inch Hitch Ball, 7,000 lbs.

If you are replacing a broken coupler on your trailer or installing a new one on a trailer you are building, CURT has dependable couplers you can trust to keep your tow load latched on tight. Selecting the right trailer hitch, ball mount and trailer ball to manage the weight of your trailer is not the only important aspect of towing; you also need a trailer that can stand up to the road ahead. That means equipping it with a coupler that is built to go the distance. As the name indicates, CURT A-frame couplers are meant to mount onto trailers with an A-shaped tongue. They are stronger than stra... [Read More]

• ASIN: B004IY9HVW
• UPC: 612314252176
• ASIN: B004IY9HVW
• Brand: CURT
• Manufacturer: Curt Manufacturing

REESE Towpower 72783 Universal Coupler Lock, Adjustable Storage Security, Heavy-Duty Steel, Yellow and Chrome

Ratchet design with 6 locking positions, fits 1-7/8", 2" and 2-5/16" couplers.

• ASIN: B0008FUH46
• UPC: 016118035544
• ASIN: B0008FUH46
• Brand: Reese Towpower
• Size: 1-7/8"
• Manufacturer: Reese Towpower

Blaylock TL-33 Coupler Lock

Blaylock Trailer (TL-33) Lock. The EZ Lock Model TL-33 Universal Coupler Lock is precision made of heavy grade aircraft aluminum and will not rust. It features a solid hardened 3/4" steel locking rod, for use with large heavy duty padlock (padlock not included). Fits all trigger style: Fulton, Shelby, Dutton-Lainson, Atwood, and similar. Fits latch style: Atwood, Fulton cast couplers and similar. Does not fit Hammeblow (Bulldog) couplers. Inside dimension of the channel is 4-3/4 inches with overall dimensions of 4-1/2" depth x 6-1/8" wide x 5-1/2" tall. A patented design ensures the most secu... [Read More]

• ASIN: B000R6T8NW
• UPC: 749560112333
• ASIN: B000R6T8NW
• Brand: Blaylock American Metal
• Size: 1 Pack
• Manufacturer: Blaylock American Metal

Proven Locks 2178 B - All Steel - Heavy Duty Design - Anti Theft Trailer Coupler Lock (fits 2" Bulldog Side Latch Couplers)

FITS 2'' BullDog Trailer Couplers (Puck Lock Included) Model 2178-B was designed to fit 2'' BullDog style trailer couplers. This style trailer coupler is usually found on heavy duty trailers such as those used in commercial applications and heavier weight-rated trailer applications. In most cases, Bulldog style trailer couplers will be found on commercial trailers, but in some cases trailer manufacturers offer Bulldog couplers on non-commercial trailers as an upgrade. Designing the best coupler locks is not an easy task. We pride ourselves on producing a "glove like" fit coupler lock. Rest ass... [Read More]

• ASIN: B01IRA72NC
• UPC: 709293265713
• ASIN: B01IRA72NC
• Brand: Proven Industries
• Manufacturer: Proven Locks

Trimax UMAX100 Premium Universal 'Solid Hardened Steel' Trailer Lock (fits All couplers)

The Trimax UMAX100 coupler lock features an exclusive design that provides 360 degrees of hardened steel protection for your unattended trailer. It provides instant security for your camper, boat, or trailer when they are not hooked up to your vehicle. This lock features a huge 6-tooth, 3/8" dual ratchet locking system, a hardened 5/8" 16mm steel shackle, and 1/2-turn technology that cannot be false locked. For dual force security, add a Trimax chain or cable secured to an anchor point. Also, add a Trimax coupler lever lock for additional protection. This lock is easy to install--simply slide... [Read More]

• ASIN: B000OC3Q2I
• UPC: 779422971389
• ASIN: B000OC3Q2I
• Brand: Trimax
• Size: 1 Pack
• Manufacturer: Trimax

Proven Locks 2516 B - All Steel - Heavy Duty Design - Anti Theft Trailer Coupler Lock ( fits 2 5/16" Bulldog Side Latch Couplers )

FITS 2 5/16 BullDog Trailer Couplers (Puck Lock Included) Model 2516-B was designed to fit BullDog style trailer couplers. This style trailer coupler is usually found on heavy duty trailers such as those used in commercial applications and heavier weight-rated trailer applications. In most cases, Bulldog style trailer couplers will be found on commercial trailers, but in some cases trailer manufacturers offer Bulldog couplers on non-commercial trailers as an upgrade. Designing the best coupler locks is not an easy task. We pride ourselves on producing a "glove like" fit coupler lock. Rest assu... [Read More]

• ASIN: B01IRTLFN6
• UPC: 709293265782
• ASIN: B01IRTLFN6
• Brand: Proven Industries
• Manufacturer: Proven Locks

Blaylock American Metal TL-23 Coupler Lock

heavy duty aircraft aluminum housing covers entire coupler head. Strong heat-treated steel pin 5/8" diameter extends to the top of hitch ball hole. When unit is locked, the pin is completely surrounded by the heavy metal housing. Lock tumbler mechanism is recessed into front of housing and surrounded by heavy metal.

• ASIN: B000RY3Y9I
• UPC: 749560112234
• ASIN: B000RY3Y9I
• Brand: Blaylock American Metal
• Manufacturer: Blaylock American Metal

Blaylock TL-50 Gooseneck-Style Coupler Lock

The Blaylock TL-50 Gooseneck-Style Coupler Lock is intended for use with heavy trailers, livestock haulers and RVs and fits all gooseneck 2-5/16" style couplers. The patented design ensures the most secure way to leave an unattended trailer. An adjustable two-pin placement provides your trailer with an easy custom fit.

• ASIN: B000G2MHBC
• UPC: 749560112500
• ASIN: B000G2MHBC
• Brand: Blaylock Industries
• Manufacturer: Blaylock

Bulldog 580408 Stainless Steel Coupler Lock, Includes 2 Keys

Trust Bulldog to bring you high quality products every

• UPC: 35529029
• Model: 580408
• Color: Multicolor

Cequent 580409 Easy Access Long Coupler Bulldog Lock

Easy Access Long Coupler Bulldog

• UPC: 445887877
• Model: Easy Access Long Coupler Bulldog Lock

Cequent 580408 Stainless Steel Coupler Bulldog Lock

Stainless Steel Coupler Bulldog

• UPC: 926949386
• Model: Stainless Steel Coupler Bulldog Lock

Cequent 580410 Easy Access Adjustable Coupler Bulldog Lock

Easy Access Adjustable Coupler Bulldog

• UPC: 571775157
• Model: Easy Access Adjustable Coupler Bulldog Lock

Cequent 580403 Chrome Coupler Bulldog Lock

Trailer lock fits around coupler. Strong break resistance. Dual self-locking design. High security square key design. Chrome

• UPC: 633068206
• Model: Chrome Coupler Bulldog Lock

Bulldog Gooseneck Coupler Acc. 5/16" Locking Pin BX1 Gooseneck Couplers 500356

Gooseneck Coupler AccessoryGooseneck Coupler Accessory, 5/16" Locking Pin for BX1 Gooseneck

• UPC: 50273701
• Model: 500356
• Color: Multicolor

Cequent 580409 Bulldog Easy Access Long Coupler Lock

Bulldog Easy Access Long Coupler

• UPC: 675139169
• Model: 580409

Cequent 580404 Chrome Dogbone Bulldog Lock w/ Chrome Coupler Lock

Receiver Lock Combo. Dogbone Lock-W/ Chrome Coupler Lock.

• UPC: 733901680
• Model: Chrome Dogbone Bulldog Lock w/ Chrome Coupler Lock

Bulldog 580409 Easy Access Coupler Long Lock

Trust Bulldog to bring you high quality products every

• UPC: 35512040
• Model: 580409
• Color: Multicolor

Cequent 580406 Stainless Steel Hitch Pin Coupler Bulldog Lock Combo

Receiver lock combo. Stainless Steel.

• UPC: 801172874
• Model: Stainless Steel Hitch Pin Coupler Bulldog Lock Combo