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Result: trailer coupler safety lock pin

Coupler Pin - 1/4" Diameter x 3" Long

Retail: $15.29
Our Price: $3.62
In Stock
Spring-tensioned, zinc-plated steel snapper pin prevents your trailer's coupler from unlatching and releasing from your hitch ball. Pin measures 1/4" diameter x 3" usable length.Features: Snapper pin prevents your trailer's coupler from unlatching Spring-tensioned design creates a strong hold Zinc-plated steel is corrosion resistant Specs: Pin diameter: 1/4" Usable
  • Snapper Pin
  • 1/4 Inch Diameter
  • 3 Inch Span
  • 3 Inch Long
  • JR Products

InfiniteRule Trailer Coupler Lock - Trigger Latch Style - 1/4" Pin Diameter - 1-1/8" Span

Retail: $77.18
Our Price: $48.42
In Stock
Heavy-duty, stainless steel lock provides superior security when locking your trigger-latch-style trailer coupler. Third-party-tested pin has a 42,000-lb shear strength.Features: Flush-style coupler lock secures the trigger latch on your trailer's coupler to deter theft Trailer can't be removed from your tow vehicle when locked onto ball Heavy-duty stainless
  • Latch Lock
  • 1-1/8 Inch Span
  • Keyed Unique
  • InfiniteRule
  • Stainless Steel
  • Universal Application Lock

etrailer Hitch Receiver Lock for 2" and 2-1/2" Hitches - Flush - 3-5/8" Span - Chrome

Retail: $31.11
Our Price: $22.23
In Stock
Designed for wide 2" and standard 2-1/2" hitches, this hitch lock has a covered keyhole and chrome plating to help prevent corrosion. Steel construction ensures long-lasting dependability ...
Features: Flush-style trailer hitch receiver lock is used in place of standard pin and clip to prevent theft of ball mount or hitch-mounted accessory Secure your bike rack, cargo carrier, hitch cover
  • Fits 2 Inch Hitch
  • Fits 2-1/2 Inch Hitch
  • Standard Pin Lock
  • 3-5/8 Inch Span
  • Keyed Alike
  • etrailer
  • Steel

InfiniteRule Lock for Demco eZ-Latch Trailer Couplers - 2"

Our Price: $52.63
In Stock
Heavy-duty, stainless steel lock provides superior security when locking your Demco eZ-Latch trailer coupler. Third-party-tested pin has a 42,000-lb shear strength.Features: Flush-style lock fits your 2" Demco eZ-Latch trailer coupler Coupler latch lock secures your trailer to your ball mount Heavy-duty stainless steel construction O-ring protects internal
  • Fits 2 Inch Ball
  • Latch Lock
  • 2-15/16 Inch Span
  • Keyed Unique
  • InfiniteRule
  • Stainless Steel
  • Universal Application Lock

Bulldog Lifelong Trailer Coupler Lock - Trigger Latch Style - 1/4" Pin Diameter - Chrome

Retail: $39.25
Our Price: $20.28
In Stock
Guard against trailer theft with this durable steel, butterfly-style coupler lock. Works with most ball couplers that have trigger-style latches. Chrome plating resists corrosion, and the unique ...
Features: Coupler lock secures the trigger latch on your trailer's coupler to deter theft Trailer can't be removed from your tow vehicle when locked onto ball Would-be thieves can't
  • Latch Lock
  • 3/4 Inch Span
  • Keyed Unique
  • Bulldog
  • Steel
  • Universal Application Lock

Curt Coupler Safety Pin - 12" Chain - 5/16" Pin - Zinc Finish

Retail: $5.95
Our Price: $5.51
In Stock
This coupler safety pin by Curt has a 5/16" diameter, a useable length of 2", and a zinc finish. Comes with 12" chain. Quick connect and disconnect feature makes it easy to use and the ...
Features: Trailer coupler safety pin secures your coupler so you can safely tow your trailer Can also be used to secure casters and jack wheels Zinc finish provides corrosion resistance 5/16"
  • Snapper Pin
  • 5/16 Inch Diameter
  • 2 Inch Span
  • 2 Inch Long
  • CURT

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

New Arrivals — From Our Shop to You!

Chosen by folks who live and breathe this, just like you.

John
John etrailer team member
John etrailer team member

13

Years

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789

Installations

13,758

Customers Helped

Any questions? Chat us from Missouri

Master Lock Trailer Coupler Lock - 1-7/8", 2" and 2-5/16" Ball Couplers

Retail: $46.62
Our Price: $34.19
Keep your trailer safe from towaway theft with this universal coupler lock. Its tough frame fits in and around most 1-7/8", 2", and 2-5/16" ball couplers; and it has a bright red color ...
Features: Heavy-duty coupler lock deters trailer theft by preventing hookup Large size and heavy weight defend against attempts to break or shatter lock Wafer-tumbler lock mechanism resists picking
  • Fits 2-5/16 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Master Lock
  • Universal Application Lock

Blue Ox Hitch Receiver and Coupler Latch Lock Set - Swivel Design - 2" Hitches

Our Price: $58.68
Convenient kit includes a stainless steel trailer hitch receiver lock and a stainless steel latch lock with an easy-to-use swivel head for your trailer's coupler. Fits 2" x 2" hitches. 4 Keyed-alike keys included Made in the USA Specs: Application: 2" x 2" trailer hitch receivers Receiver lock pin diameter: 5/8" Coupler lock pin diameter: 1/4" Inside pin length
  • Fits 2 Inch Hitch
  • Standard Pin Lock
  • 2-1/2 Inch Span
  • 3-1/2 Inch Span
  • 7/8 Inch Span
  • Keyed Unique
  • Blue Ox
  • Stainless Steel

Master Lock Trailer Hitch Receiver Lock and Coupler Lock Set - 1-1/4" and 2" Hitches

Our Price: $65.72
In Stock
Kit includes a universal coupler lock to prevent towaway theft; an adjustable latch lock to ensure that your trailer won't be unhooked from the coupler; and a trailer hitch receiver lock that ...
2-5/16" ball couplers 2" Latch width - most wide-latch ball couplers Trailer hitch receiver lock is used in place of standard pin and clip to prevent theft of ball mount or accessories such as cargo
  • Fits 1-1/4 and 2 Inch Hitch
  • Fits 1-1/4 Inch Hitch
  • Fits 2 Inch Hitch
  • Standard Pin Lock
  • 2 Inch Span
  • Keyed Unique
  • Master Lock

etrailer Surge Brake Coupler Lock - 3-3/8" Span - 1/4" Diameter - Chrome

Retail: $35.20
Our Price: $17.75
Designed primarily for brake actuators that lock through the body, this lock has a covered keyhole and chrome plating to help prevent corrosion. Steel construction ensures long-lasting dependability ...
Features: Coupler lock secures the ball coupler of your trailer brake actuator to deter theft Trailer can't be removed from your tow vehicle when locked onto ball Would-be thieves can't
  • Latch Lock
  • 3-3/8 Inch Span
  • Keyed Alike
  • etrailer
  • Universal Application Lock

etrailer Trailer Coupler Latch Lock - 1/2" Span - 1/4" Diameter - Stainless Steel

Our Price: $45.29
In Stock
This rustproof, stainless steel lock is designed to fit latch-style trailer couplers. Covered keyhole helps to prevent internal corrosion. Can be keyed alike to match other etrailer locks.Features: Coupler lock secures the trigger latch on your trailer's coupler to deter theft Trailer can't be removed from your tow vehicle when locked onto ball Would-be thieves can't
  • Latch Lock
  • 1/2 Inch Span
  • Keyed Alike
  • etrailer
  • Stainless Steel
  • Universal Application Lock

Master Lock Hitch Receiver and Coupler Latch Lock Set - Swivel Design - 2" Hitches

Retail: $64.47
Our Price: $36.72
In Stock
Convenient kit includes a flush-design, stainless steel trailer hitch receiver lock with an easy-to-use swivel head and a stainless steel latch lock for your trailer's coupler. Fits 2" x ...
2" trailer hitch receivers Receiver lock pin diameter: 5/8" Inside pin length (span): 2-3/4" Coupler latch lock pin diameter: 1/4" Limited lifetime warranty 1481DAT Master Lock Trailer
  • Fits 2 Inch Hitch
  • Standard Pin Lock
  • 2-3/4 Inch Span
  • Keyed Unique
  • Master Lock
  • Stainless Steel

Curt Tri-Ball Trailer Coupler Lock and Hitch Pin Lock

Retail: $51.95
Our Price: $34.70
In Stock
This universal 3-ball trailer coupler lock offers security whether your trailer is hitched up to your vehicle or left unattended. Latch lock secures the coupler when your trailer is hooked up and ...
Features: Coupler lock secures your trailer's coupler to deter theft Trailer can't be removed from your tow vehicle when locked onto your hitch ball Would-be thieves can't secure your
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Latch Lock
  • CURT
  • Universal Application Lock

Master Lock Trigger Style Coupler Lock for 1-7/8" and 2" Couplers

Our Price: $12.87
In Stock
Master Lock Trigger Lock for 1-7/8" and 2" Couplers 1/4" Shackle diameter 11/16" Shackle length Protected case-hardened steel shackle resists cutting and sawing Built-in
  • Latch Lock
  • 3/4 Inch Span
  • Keyed Unique
  • Master Lock
  • Brass
  • Universal Application Lock

MaxxTow Trailer Coupler Latch Lock - 7/8" Span - 1/4" Diameter - Black Steel

Our Price: $10.78
In Stock
This 1/4" pin lock inserts through your coupler's lever-style latch to keep your trailer coupler secured on your hitch ball. Carbon steel construction with black e-coat resists corrosion.Features: Coupler lock secures the lever latch on your trailer's coupler to deter theft Trailer can't be removed from your tow vehicle when locked onto ball Would-be thieves can't secure
  • Latch Lock
  • 7/8 Inch Span
  • MaxxTow
  • Steel

Curt Coupler Safety Pin, 1/4"

Retail: $10.99
Our Price: $4.94
In Stock
Features: 1/4" diameter pin with latch Useable length: 2-3/16"
  • Snapper Pin
  • 1/4 Inch Diameter
  • 2-3/16 Inch Span
  • 2-3/16 Inch Long
  • CURT

Trimax Trailer Coupler Latch or Door Lock - Trigger Latch Style - 1/4" Pin Diameter - Chrome

Retail: $25.99
Our Price: $16.27
In Stock
Guard against trailer theft with this durable steel, butterfly-style coupler lock. Works with most ball couplers that have trigger-style latches. Chrome plating resists corrosion. Includes a ...
! Scratch protection: A built-in rubber bumper prevents scratches to your trailer coupler while locking the latch down. Enhanced security: The advanced cylinder design of the keys is harder to pick, drill, or
  • Latch Lock
  • 7/8 Inch Span
  • Keyed Unique
  • Trimax Locks
  • Steel
  • Universal Application Lock

InfiniteRule Trailer Coupler Lock - Trigger Latch Style - 1/4" Pin Diameter - 1-5/8" Span

Retail: $80.37
Our Price: $48.42
In Stock
Heavy-duty, stainless steel lock provides superior security when locking your trigger-latch-style trailer coupler. Third-party-tested pin has a 42,000-lb shear strength.Features: Flush-style coupler lock secures the trigger latch on your trailer's coupler to deter theft Trailer can't be removed from your tow vehicle when locked onto ball Heavy-duty stainless
  • Latch Lock
  • 1-5/8 Inch Span
  • Keyed Unique
  • InfiniteRule
  • Stainless Steel
  • Universal Application Lock

Trimax Trailer Coupler Latch Lock - 1/4" Pin Diameter - 2-1/2" Span

Retail: $27.08
Our Price: $12.32
In Stock
Make your trailer the least appealing option for sticky fingers. This lock works with regular trigger latches and thicker latches; gives you security that keeps your gear right where it belongs.: Includes a rubber cap to shield the lock cylinder from dirt and moisture, so you won't even have problems after a storm. Specs: Application: trigger-latch-style (or lever-latch-style) ball couplers
  • Latch Lock
  • 2-1/2 Inch Span
  • Keyed Unique
  • Trimax Locks
  • Steel
  • Universal Application Lock

Trimax Trailer Coupler Latch Lock - 1/4" Pin Diameter - 3-1/2" Span

Retail: $28.62
Our Price: $16.06
In Stock
Make your trailer the least appealing option for sticky fingers. This coupler latch lock is designed for brake actuators that lock through the body to give you the security that keeps your gear right ...
sheild the lock cylinder from dirt and moisture, so you won't even have problems after a storm. Specs: Application: surge brake couplers that lock through the body Inside pin length (span:) 3-1/2"
  • Latch Lock
  • 3-1/2 Inch Span
  • Keyed Unique
  • Trimax Locks
  • Steel
  • Universal Application Lock

InfiniteRule Trailer Coupler Lock - Trigger Latch Style - 1/4" Pin Diameter - 2-1/8" Span

Our Price: $48.42
In Stock
Heavy-duty, stainless steel lock provides superior security when locking your trigger-latch-style trailer coupler. Third-party-tested pin has a 42,000-lb shear strength.Features: Flush-style coupler lock secures the trigger latch on your trailer's coupler to deter theft Trailer can't be removed from your tow vehicle when locked onto ball Heavy-duty stainless
  • Latch Lock
  • 2-1/8 Inch Span
  • Keyed Unique
  • InfiniteRule
  • Stainless Steel
  • Universal Application Lock

Trimax Adjustable Trailer Coupler Latch Lock - 1/4" Pin - 7/8" to 3-1/2" Spans

Retail: $25.99
Our Price: $14.84
Stop fumbling with your hitch at awkward angles, and secure a variety of trailer couplers with this adjustable lock. Fitting spans up to 3-1/2", this lock combines rugged durability with ...
Features: Right-angle lock head: No more awkward maneuvers - this design makes securing your hitch in tight spots a breeze. Universal fit: Adjustable pin positions make this lock compatible with a
  • Latch Lock
  • 3-1/2 Inch Span
  • 2-1/2 Inch Span
  • 7/8 Inch Span
  • Keyed Unique
  • Trimax Locks
  • Steel
  • Universal Application Lock

Master Lock Hitch Receiver and Coupler Latch Lock Set - Padlock - 1-1/4" and 2" Hitches

Retail: $35.32
Our Price: $27.69
In Stock
Convenient kit includes a chrome-plated, padlock-style trailer hitch receiver lock with an easy-to-use swivel head and a stainless steel latch lock for your trailer's coupler. Fits 1-1/4" x ...
; x 1-1/4" and 2" x 2" trailer hitch receivers Receiver lock pin diameter: 1/2" and 5/8" Inside pin length (span): 2-3/4" Coupler latch lock pin diameter: 1/4" Limited
  • Fits 1-1/4 and 2 Inch Hitch
  • Fits 1-1/4 Inch Hitch
  • Fits 2 Inch Hitch
  • Standard Pin Lock
  • 2-3/4 Inch Span
  • Keyed Unique
  • Master Lock
  • Steel

BOLT Trailer Coupler Lock - 1-7/8", 2", and 2-5/16" Couplers - Ford Center Cut Key

Retail: $99.50
Our Price: $71.81
In Stock
This universal coupler lock protects your trailer from towaway theft. Lock codes to your vehicle's ignition key, and it's nearly impossible to pick or bump. Included lock, base plate with ...
Features: Universal coupler lock deters trailer theft by preventing hookup Lock cylinder codes to your vehicle's ignition key 6-Plate tumbler sidebar on lock prevents picking or bumping
  • Coupler Pins Locks
  • Bolt