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

Retail: $33.95
Our Price: $22.98
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
  • Steel
  • Universal Application Lock

etrailer Hitch and Coupler Lock Set for Flat Lip 2-5/16" Airstream Ball Coupler

Our Price: $97.92
In Stock
Lockset includes sturdy aluminum coupler lock to prevent towaway theft, 1/4" diameter latch lock to ensure that your trailer won't be unhooked from coupler, and 2" or 2-1/2" ...
sizes and sleeve-lock couplers Hitch lock secures your ball mount to your trailer hitch Used in place of standard pin and clip Covers on hitch receiver lock and coupler latch lock help keep water and
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • etrailer
  • Aluminum
  • 2-3/4 Inch Span
  • Universal Application Lock

etrailer Hitch and Coupler Lock Set for Rolled Lip 2-5/16" Airstream Ball Coupler

Our Price: $95.38
In Stock
Lockset includes sturdy aluminum coupler lock to prevent towaway theft, 1/4" diameter latch lock to ensure that your trailer won't be unhooked from coupler, and 2" or 2-1/2" ...
sizes and sleeve-lock couplers Hitch lock secures your ball mount to your trailer hitch Used in place of standard pin and clip Covers on hitch receiver lock and coupler latch lock help keep water and
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • etrailer
  • Aluminum
  • Universal Application Lock

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

Retail: $81.35
Our Price: $54.49
In Stock
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
  • Master Lock
  • Steel
  • Universal Application Lock

ICON Trailer Coupler Lock for Hit-N-Hitch 2-5/16" Ball Coupler - Cast and Stainless - Black

Our Price: $349.00
Fit this heavy-duty, cast steel lock over your Hit-N-Hitch auto-locking coupler to help prevent trailer theft. Honeycomb body resists saws and grinders. Stainless steel, disc-detainer core resists ...
weather protection seals Installs quickly - just remove external cap, unlock, slide over your coupler, lock, and replace the cap Includes 4 keys Specs: Application: Hit-N-Hitch 2-5/16" ball couplers
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • Altor Locks
  • Steel
  • Universal Application Lock

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

Our Price: $90.14
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 ...
sizes and sleeve-lock couplers Hitch lock secures your ball mount to your trailer hitch Used in place of standard pin and clip Covers on hitch receiver lock and coupler latch lock help keep water and
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • etrailer
  • Aluminum
  • 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.

Kristin
Kristin etrailer team member
Kristin etrailer team member

15

Years

|

589

Installations

15,864

Customers Helped

Any questions? Chat us from Missouri

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

Retail: $50.15
Our Price: $32.82
In Stock
Use this sturdy, rustproof aluminum coupler lock with a sleek silver powder coat to help prevent trailer towaway theft. Fits standard 1-7/8" and 2" ball couplers with flat lips. Can be ...
: Application: standard ball couplers for 1-7/8" or 2" balls Coupler must have flat bottom lip Maximum coupler width (including lip): 3-3/4" Maximum lip thickness: 5/16" 1-Year warranty Note
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Alike
  • etrailer
  • Aluminum
  • Universal Application Lock

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

Retail: $46.46
Our Price: $43.19
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 ...
: Application: standard ball couplers for 1-7/8" or 2" balls Coupler must have flat bottom lip Maximum coupler width (including lip): 3-3/4" Maximum lip thickness: 5/16" 1-Year warranty Note
  • Fits 2 Inch Ball
  • Fits 1-7/8 Inch Ball
  • Surround Lock
  • Keyed Alike
  • etrailer
  • Aluminum
  • Universal Application Lock

Megahitch Coupler Vault Heavy-Duty Coupler Lock - 2" and 2-5/16" Ball Coupler

Our Price: $311.00
In Stock
Heavy-duty, solid steel coupler lock fully surrounds ball coupler to deter theft of your parked trailer. Powder coating resists rust and corrosion. Threaded ball easily engages ball socket. Includes ...
Features: Heavy-duty coupler lock deters trailer theft by preventing hookup Threaded hitch ball engages coupler's ball socket like trailer ball does Lock body fits over lip of coupler to block
  • Fits 2-5/16 Inch Ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Ultra-Fab Products
  • Steel
  • Universal Application Lock

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

Retail: $531.77
Our Price: $225.25
In Stock
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2" ball couplers with flat lips. Resists picking, cutting, drilling, and freezing. Tumbler offers ...
cutting with a torch or liquid nitrogen Molded fit with swivel design decreases hold options for thieves E-coat finish resists corrosion 2 Keys included Specs: Application: standard ball couplers for 2"
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

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

Our Price: $190.00
In Stock
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 ...
cutting with a torch or liquid nitrogen Molded fit with swivel design decreases hold options for thieves E-coat finish resists corrosion 2 Keys included Specs: Application: standard ball couplers for 2"
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

AMPLock Trailer Coupler Lock for Square, 2" Ball Couplers - Ductile Cast Iron

Retail: $433.36
Our Price: $347.00
In Stock
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits square 2" ball couplers. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 million ...
cutting with a torch or liquid nitrogen Molded fit with swivel design decreases hold options for thieves E-coat finish resists corrosion 2 Keys included Specs: Application: square couplers for 2" ball
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

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

Retail: $347.00
Our Price: $294.95
In Stock
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2-5/16" ball couplers with no lips. Resists picking, cutting, drilling, and freezing. Tumbler ...
cutting with a torch or liquid nitrogen Molded fit with swivel design decreases hold options for thieves E-coat finish resists corrosion 2 Keys included Specs: Application: standard ball couplers for
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

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

Our Price: $299.00
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 and a finger latch. Resists picking, cutting, and freezing ...
cutting with a torch or liquid nitrogen Molded fit with swivel design decreases hold options for thieves E-coat finish resists corrosion 2 Keys included Specs: Application: standard ball couplers for
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

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

Our Price: $347.00
In Stock
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits square 2-5/16" ball couplers. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 ...
; ball Great for use on UFP-style actuators Inner width: 3-7/16" Inner height: 5-1/8" 5-Year limited warranty Coupler Fits: This lock fits square 2-5/16" ball couplers. An example of a
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • 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
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 ...
: standard ball couplers for 2-5/16" balls Coupler must have flat lip Maximum coupler width (including lip): 4-9/16" Maximum lip thickness: 7/16" Great for use on couplers with the Demco
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

AMPLock Coupler Lock for Flat Lip 2" Ball Couplers - Ductile Cast Iron

Retail: $171.06
Our Price: $129.59
In Stock
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2" ball couplers with flat lips. Resists picking, cutting, drilling, and freezing. Tumbler offers ...
cutting with a torch or liquid nitrogen Molded fit with swivel design decreases hold options for thieves E-coat finish resists corrosion 2 Keys included Specs: Application: standard ball couplers for 2"
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

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

Our Price: $199.43
In Stock
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits 2-5/16" underslung ball couplers. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 ...
cutting with a torch or liquid nitrogen E-coat finish resists corrosion 2 Keys included Specs: Application: underslung ball couplers for 2-5/16" balls Maximum coupler width (including lip): 4-3/4"
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

AMPLock Trailer Coupler Lock for 2" Ball Couplers w/o Lip - Ductile Cast Iron

Our Price: $347.00
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2" ball couplers with no lips. Resists picking, cutting, drilling, and freezing. Tumbler offers ...
cutting with a torch or liquid nitrogen Molded fit with swivel design decreases hold options for thieves E-coat finish resists corrosion 2 Keys included Specs: Application: standard ball couplers for 2"
  • Fits 2 Inch Ball
  • Surround Lock
  • Keyed Unique
  • AMPLock
  • Cast Iron
  • Universal Application Lock

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

Retail: $44.54
Our Price: $39.12
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
  • etrailer
  • Aluminum
  • Universal Application Lock

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

Retail: $52.99
Our Price: $33.46
In Stock
Use this sturdy, rustproof aluminum coupler lock with a sleek silver powder coat to help prevent trailer towaway theft. Fits standard, 2-5/16" ball couplers with flat lips. Can be keyed alike to ...
, insert the key and rotate it to release the locking pin. Slide the lock body onto the flat lip of your trailer coupler. Push the locking pin into the hitch ball socket to engage, rotate the key back to
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Alike
  • etrailer
  • Aluminum
  • Universal Application Lock

etrailer Trailer Coupler Lock for Rolled Lip 2-5/16" Ball Coupler - Aluminum - Silver

Our Price: $42.09
In Stock
Use this sturdy, rustproof aluminum coupler lock with a sleek silver powder coat to help prevent trailer towaway theft. Fits 2-5/16" ball couplers with rolled lips. Can be keyed alike to match ...
: Application: standard ball couplers for 2-5/16" balls Ideal for Airstream trailers made before 2020 Coupler must have rolled bottom lip 1-Year warranty Note: Lock can be keyed alike to match other etrailer
  • Fits 2-5/16 Inch Ball
  • Surround Lock
  • Keyed Alike
  • etrailer
  • Aluminum
  • Universal Application Lock

Shocker Hitch Air Cushioned Trailer Coupler - 2-5/16" Ball - Adjustable Channel Mount - 21K

Retail: $898.99
Our Price: $819.99
In Stock
The easy-to-adjust air bag and cushioned bumpers on this coupler absorb road shock and reduce chucking, helping to protect your trailer from wear and tear. eZ-Latch allows fast, easy, secure hookup ...
handle ensures simple, secure hookup and disconnect Lets you hook up when latch is in closed position - just drop coupler over hitch ball and latch will snap into place Adjustable channel mount lets you
  • 2-5/16 Inch Ball Coupler
  • Coupler Only
  • Shocker Hitch
  • 21000 lbs GTW
  • Powder Coat Finish
  • 3 Inch Channel

Gen-Y Hitch Trailer Coupler - Channel Mount - SnapLatch - Black - 2-5/16" Ball - 20,000 lbs

Our Price: $234.97
In Stock
Mount this coupler in an adjustable channel (sold separately) so you can hook up your trailer to your tow vehicle. SnapLatch ensures fast, easy, secure hookup and disconnect. Powder coated steel is ...
Features: Heavy-duty coupler lets you hook up your trailer to your tow vehicle Provides connection point for hitch ball Ideal for utility, livestock, cargo, and construction trailers SnapLatch
  • 2-5/16 Inch Ball Coupler
  • Coupler Only
  • Gen-Y Hitch
  • 20000 lbs GTW
  • Powder Coat Finish
  • 3 Inch Channel