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

Our Price: $38.84
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 ...
. Instructions for Locking the Trailer Coupler Insert key and turn clockwise to unlock. Pull the ball out from the lock body as far as it will go. Insert the ball of the lock into your coupler's ball socket
  • 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

Trimax Universal Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers

Retail: $96.99
Our Price: $69.16
In Stock
Dual-ratchet locking system and ballistic nylon housing with a hardened steel shackle provide 360 degrees of protection for your trailer coupler. Heavy-duty housing can take a beating, giving you ...
Features: Locks down your trailer coupler to prevent towaway theft Keeps others from hooking up to your trailer Fits most ball-style couplers Creates a tight, secure fit around ball for 360 degrees
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Steel
  • Trimax Locks
  • Universal Application Lock

Trimax Dual Purpose Coupler Lock and U-Lock for 1-7/8", 2", and 2-5/16" Couplers

Retail: $60.99
Our Price: $41.84
In Stock
Dual-ratchet locking system and hardened steel shackle provide 360 degrees of protection for your trailer coupler and peace of mind when you leave your trailer unattended. Also works as a ...
Features: Locks down your trailer coupler to prevent towaway theft Keeps others from hooking up to your trailer Fits most ball-style couplers Creates a tight, secure fit around coupler for 360
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Steel
  • Trimax Locks
  • Universal Application Lock

etrailer Hitch and Coupler Lock Set - 2" Hitch - 2-5/16" Ball

Retail: $87.15
Our Price: $81.34
In Stock
Lockset includes a sturdy aluminum coupler lock to prevent towaway theft, a 1/4" diameter latch lock to ensure that your trailer won't be unhooked from the coupler, and a 2" trailer ...
Features: 3-Piece lockset secures your towing setup Coupler lock fits over your coupler while it's not connected to prevent towaway theft Prevents a trailer ball from being inserted into the
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Aluminum
  • etrailer
  • Universal Application Lock

Trimax Universal Towing Kit - Keyed Alike - TMX86SR

Our Price: $76.97
In Stock
Why settle for 1 lock when you can have a complete set? Whether your trailer is being stored or is hitched up for use, this kit includes locks for your trailer coupler, latch, and hitch receiver - ...
security: Includes UMAX50 deluxe universal, unattended coupler lock, TMX98SR adjustable trailer coupler latch lock, TS32 universal receiver lock with stainless steel sleeve, and a T5 universal receiver lock
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Latch Lock
  • Keyed Alike
  • Trimax Locks
  • 3-1/2 Inch Span
  • 2-1/2 Inch Span
  • Universal Application Lock

Master Lock Set - Coupler Ball Lock, Locking Hitch Pin, and Coupler Latch Lock

Retail: $79.07
Our Price: $52.49
All-in-one defense system for keeping your trailer locked up and out of the wrong hands. Why fumble with a bunch of different keys? This keyed-alike set includes a coupler ball lock, a locking hitch ...
Features: Lock it down! The adjustable coupler ball lock (ML389DAT) blocks theft and unwanted hookups Fits 1-7/8", 2", and 2-5/16" ball couplers Lock it in! The locking hitch pin
  • Fits 2-5/16 Inch Ball
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Latch Lock
  • Surround Lock
  • Keyed Alike
  • Steel
  • Master Lock
  • Universal Application Lock

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.

Kenny
Kenny etrailer team member
Kenny etrailer team member

3

Years

|

278

Installations

3,868

Customers Helped

Any questions? Chat us from Missouri

TowSmart Locking Boomerang Hitch Pin and Coupler Lock - 1-1/4" and 2" Diameter

Our Price: $24.94
In Stock
Whatever you're towing, you'll be protected against theft with this hitch and coupler lock. The boomerang hitch pin locks your ball mount to either a 1-1/4" or 2" hitch receiver ...
Features: Dual-diameter pin locks your ball mount to either a 1-1/4" or 2" hitch receiver Coupler lock stops someone from hauling your trailer away Fits most trigger-style coupler latches
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Latch Lock
  • Keyed Unique
  • Steel
  • TowSmart
  • 7/8 Inch Span
  • Universal Application Lock

AMPLock Trailer Coupler Lock for Flat Lip 2-5/16" Ball Couplers - Ductile Cast Iron

Retail: $485.31
Our Price: $265.00
In Stock
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2-5/16" ball couplers with flat lips. Resists picking, cutting, drilling, and freezing. Tumbler ...
Features: Tamper-resistant, sturdy lock deters trailer theft by preventing hookup Fits over coupler, engaging it like a trailer ball does and blocking the ball opening Prevents would-be thieves from
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Cast Iron
  • AMPLock
  • Universal Application Lock

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

Our Price: $31.52
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
  • Keyed Alike
  • Steel
  • etrailer
  • 3-5/8 Inch Span

etrailer Trailer Hitch Receiver Lock for 2" Hitch - Flush - 2-5/8" Span - Stainless Steel

Retail: $49.86
Our Price: $43.13
In Stock
This rustproof, stainless steel hitch lock is designed to fit standard 2" hitches. Covered keyhole helps to prevent internal corrosion. Can be keyed alike to match other etrailer locks.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
  • Standard Pin Lock
  • Keyed Alike
  • Stainless Steel
  • etrailer
  • 2-5/8 Inch Span

Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum

Our Price: $42.53
In Stock
Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a trigger-style, latch-style, or ...
bracket fits around your trailer's coupler Raised ball on platform sits inside of coupler Steel pin slides through the bracket to secure the lock to your coupler Padlock (sold separately) is required to
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Aluminum
  • Blaylock Industries
  • Universal Application Lock

etrailer Trailer Coupler Lock - Flat Lip 1-7/8" and 2" Ball Couplers - Aluminum - Yellow

Retail: $46.44
Our Price: $40.57
In Stock
Use this sturdy, rustproof aluminum coupler lock with high-visibility yellow color to help prevent trailer towaway theft. Fits trigger-style, 1-7/8" and 2" ball couplers with flat lips. Can ...
Features: Tamper-resistant, sturdy lock deters trailer theft by preventing hookup Fits over coupler, engaging it like a trailer ball does and blocking the ball opening Prevents would-be thieves from
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Alike
  • Aluminum
  • etrailer
  • Universal Application Lock

Anti-Rattle Trailer Hitch Receiver Lock for 2" Hitches - 3-1/2" Span

Retail: $61.59
Our Price: $43.19
In Stock
This anti-rattle hitch pin dramatically reduces any movement or vibration of your ball mount in your hitch. Included lock ensures security for your hitch accessory. Designed for use on hollow-shank ...
Features: 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, and more
  • Fits 2 Inch Hitch
  • Universal Anti-Rattle Lock
  • Keyed Unique
  • Lets Go Aero
  • 3-1/2 Inch Span

EZ Lock Trailer Coupler Lock for 1-7/8", 2", 2-5/16" Bulldog Collar-Lok Couplers

Our Price: $68.13
In Stock
Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a Bulldog Collar-Lok coupler ...
Features: Coupler lock deters theft of your trailer that has a Bulldog Collar-Lok-style coupler Heavy-duty bracket fits around your trailer's coupler Raised ball on platform sits inside of
  • Fits 2-5/16 Inch Ball
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Aluminum
  • Blaylock Industries
  • Universal Application Lock

etrailer Trailer Coupler Lock for Flat Lip 2-5/16" Ball Coupler - Aluminum - Yellow

Retail: $44.54
Our Price: $35.43
In Stock
Use this sturdy, rustproof aluminum coupler lock with high-visibility yellow color to help prevent trailer towaway theft. Fits trigger-style, 2-5/16" ball couplers with flat lips. Can be keyed ...
Features: Tamper-resistant, sturdy lock deters trailer theft by preventing hookup Fits over coupler, engaging it like a trailer ball does and blocking the ball opening Prevents would-be thieves from
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Alike
  • Aluminum
  • etrailer
  • Universal Application Lock

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

Retail: $39.25
Our Price: $22.66
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
  • Keyed Unique
  • Steel
  • Bulldog
  • 3/4 Inch Span
  • Universal Application Lock

Fastway Universal Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers - Key 316

Retail: $65.90
Our Price: $56.84
In Stock
Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is ...
Features: Universal design protects most trailers from being towed away Multistep Uni-ball fits into any size ball coupler Unique bend in reversible shackle lets it snug up tight to most types of
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Alike
  • Fastway
  • Universal Application Lock

AMPLock Coupler Lock for Rolled Lip 2" or 2-5/16" Ball Couplers - Ductile Cast Iron

Our Price: $190.00
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2" and 2-5/16" ball couplers with rolled lips. Resists picking, cutting, and freezing ...
Features: Tamper-resistant, sturdy lock deters trailer theft by preventing hookup Fits over coupler, engaging it like a trailer ball does and blocking the ball opening Prevents would-be thieves from
  • Fits 2-5/16 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Cast Iron
  • AMPLock
  • Universal Application Lock

EZ Lock Trailer Coupler Lock for 1-7/8", 2", 2-5/16" Bulldog Collar-Lok Couplers

Retail: $53.79
Our Price: $45.62
In Stock
Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a Bulldog Collar-Lok coupler ...
Features: Coupler lock deters theft of your trailer that has a Bulldog Collar-Lok-style coupler Heavy-duty bracket fits around your trailer's coupler Raised ball on platform sits inside of
  • Fits 2-5/16 Inch Ball
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Aluminum
  • Blaylock Industries
  • Universal Application Lock

Trimax Dual Purpose Coupler Lock and U-Lock for 1-7/8", 2", and 2-5/16" Couplers

Retail: $53.99
Our Price: $33.52
In Stock
Dual-ratchet locking system and hardened steel shackle provide 360 degrees of protection for your trailer coupler and peace of mind when you leave your trailer unattended. Also works as a ...
Features: Locks down your trailer coupler to prevent towaway theft Keeps others from hooking up to your trailer Fits most ball-style couplers Creates a tight, secure fit around coupler for 360
  • Fits 1-7/8 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Steel
  • Trimax Locks
  • Universal Application Lock

Master Lock Universal Trailer Coupler Lock

Retail: $40.54
Our Price: $31.99
In Stock
Guard against trailer towaway theft with this universal-fit coupler lock. Durable steel frame fits around 1-7/8", 2" and 2-5/16" ball couplers, providing both a visible and mechanical ...
lifetime warranty 379DAT Master Lock Universal-Fit Trailer Coupler Lock
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Steel
  • Master Lock
  • Universal Application Lock

TowSmart Trailer Coupler Lock Kit - 1-7/8, 2, and 2-5/16 Couplers w/ Hitch Lock & Coupler Lock

Our Price: $65.56
In Stock
This coupler lock kit helps prevent your trailer and gear from being stolen when you're not using it. Simply insert the ball into your coupler, connect the shackle, and lock it down. Also ...
Features: Trailer coupler lock: Protects your trailer from being stolen when it's not in tow Ball fits most 1-7/8", 2", and 2-5/16" ball couplers Multiple locking positions
  • Fits 2-5/16 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • TowSmart
  • Universal Application Lock

Fastway Universal Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers - Key 318

Retail: $65.90
Our Price: $56.84
In Stock
Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is ...
Features: Universal design protects most trailers from being towed away Multistep Uni-ball fits into any size ball coupler Unique bend in reversible shackle lets it snug up tight to most types of
  • Fits 1-7/8 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Alike
  • Fastway
  • Universal Application Lock

Reese Tow and Store Lock Kit

Retail: $66.44
Our Price: $40.07
In Stock
Lock kit is keyed alike 1/4" Diameter brass coupler latch pin has a 5/8" - 1" adjustable span Surround coupler lock universal fit 1-7/8", 2", & 2-5/16" trailer
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Reese
  • Universal Application Lock