Coupler Locks, Repair Kits & Accessories at Trailer Parts Superstore
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Coupler Locks, Repair Kits & Accessories

Coupler Locks, Repair Kits & Accessories

Trailer coupler locks can be used while towing to prevent trailer tongue coupler latch from accidentally opening and also to reduce the possibility of trailer theft. Your best investment for trailer security, the trailer coupler locks have a unique design, which protects better than conventional padlocks. FULTON & DEAD-BOLT locks are perfect for: Boat, Utility, Cargo, RV, Horse and most other recreational trailers.

Trailer Parts Tech Tip: Couplers/Hitch Balls

Click on the item titles below for complete product details

Quantity Description Price

Hitch Ball Cover for 1-7/8" & 2" Trailer Balls

Hitch Ball Cover for 1-7/8" & 2" Trailer Balls

Stock# 1492026
Black PVC plastic cover keeps hitch ball clean and protected when not in use. Fits 1-7/8" and 2" hitch balls.

$1.99

Hitch Ball Cover 2-5/16" #42251

Hitch Ball Cover 2-5/16" #42251

Stock# 5223289
Black PVC plastic cover keeps hitch ball clean and protected when not in use. Fits 2-5/16" hitch balls.

$3.99

Coupler Safety Pin #66050

Coupler Safety Pin #66050

Stock# 1326005
Tempered spring wire and 1/4" carbon steel pin. Usable length of 1-3/4".  Quick-connect and disconnect safety pin fits through coupler release handle to prevent coupler latch from accidentally opening.

$2.99

1/4" x 3" Zinc Plated Safety Pin w/Lanyard #3006875

1/4" x 3" Zinc Plated Safety Pin w/Lanyard #3006875

Stock# 1326311
Zinc plated spring wire and 1/4" x 3 " zinc plated safety pin with a 7" lanyard. Commonly used with forged swivel-type pintle hooks.

$2.79

1/4" Zinc Plated Safety Pin with 5" Lanyard #3004987

1/4" Zinc Plated Safety Pin with 5" Lanyard #3004987

Stock# 1326511
Zinc plated spring wire and 1/4" x 3 " zinc plated safety pin with a 5" lanyard. Commonly used with forged swivel-type pintle hooks.

$1.99

1/4" x 4-1/2" Zinc Plated Safety Pin w/Lanyard #3017021

1/4" x 4-1/2" Zinc Plated Safety Pin w/Lanyard #3017021

Stock# 1326658
Zinc plated spring wire and 1/4" x 4-1/2 " zinc plated safety pin with a 7" lanyard. Commonly used with forged swivel-type pintle hooks.

$4.50

1/4" Zinc Plated Safety Clip w/8" Chain, #P11C

1/4" Zinc Plated Safety Clip w/8" Chain, #P11C

Stock# 1326378
1/4" Zinc plated spring wire clip and 8" chain lanyard. Commonly used with pintle hook/ball combo hitches.

$3.99

1/4" Zinc Plated Coupler Clip w/Chain #01174

1/4" Zinc Plated Coupler Clip w/Chain #01174

Stock# 1623513
1/4" Zinc Plated Coupler Clip with chain from JR Products is designed for securing the coupler.  The chain adds security by attaching the clip to coupler firmly even when not in use.  Pin has 1-3/8" of usable length.

$3.95

5/16" Zinc Plated Coupler Clip w/Chain #01184

5/16" Zinc Plated Coupler Clip w/Chain #01184

Stock# 1623514
5/16" Zinc Plated Coupler Clip with chain from JR Products is designed for securing the coupler.  The chain adds security by attaching the clip to coupler firmly even when not in use.  Pin has 2-1/2"" of usable length.

$3.95

Trailer Coupler Lift Handle #50017115

Trailer Coupler Lift Handle #50017115

Stock# 1492076
Handle makes lifting trailer tongue comfortable and clean. Mounts easily to most trailer couplers.

$7.44

TOW READY Trailer Coupler Lock #63225

TOW READY Trailer Coupler Lock #63225

Stock# 5020032
The TOW READY 'HITCHLOCK' fits all standard couplers (up to 3/4" span). The unique design protects better than conventional padlocks. Includes two keys.

$8.99

DEADBOLT Coupler & Hitch Lock Set  #RHC33

DEADBOLT Coupler & Hitch Lock Set #RHC33

Stock# 1353007
Fits lever style A-frame coupler requiring a 1/4" pin with a 2" span and 2"x2" receiver hitch. Includes (2) keyed alike keys.

$26.99

DEADBOLT Coupler Lock (1/2" Span)  #RC2

DEADBOLT Coupler Lock (1/2" Span) #RC2

Stock# 1353005
Fits lever style coupler requiring a 1/4" pin with a 1/2" span. Chrome-plated finish. Includes covered key opening and (2) keys.

$15.50

DEADBOLT Coupler / Actuator Lock (7/8" Span)  #RC6

DEADBOLT Coupler / Actuator Lock (7/8" Span) #RC6

Stock# 1353011
Fits lever style coupler requiring a 1/4" pin with a 7/8" span. Chrome-plated finish. Includes covered key opening and (2) keys.

$15.99

DEADBOLT A-Frame Coupler Lock (2" Span)  #RC3

DEADBOLT A-Frame Coupler Lock (2" Span) #RC3

Stock# 1353006
Fits lever style A-frame coupler requiring a 1/4" pin with a 2" span. Chrome-plated finish. Includes covered key opening and (2) keys.

$15.50

DEADBOLT Brake Actuator Lock (2-1/2" Span)  #RC4

DEADBOLT Brake Actuator Lock (2-1/2" Span) #RC4

Stock# 1353008
Fits lever style Surge Brake coupler requiring a 1/4" pin with a 2-1/2" span. Chrome-plated finish. Includes covered key opening and (2) keys.

$15.99

DEADBOLT Brake Actuator Lock (3-3/8" Span)  #RC5

DEADBOLT Brake Actuator Lock (3-3/8" Span) #RC5

Stock# 1353012
Fits lever style Surge Brake coupler requiring a 1/4" pin with a 3-3/8" span. Chrome-plated finish. Includes covered key opening and (2) keys.

$16.99

Stainless Steel Discus Coupler Lock #3020-051

Stainless Steel Discus Coupler Lock #3020-051

Stock# 1389137
The Stainless Steel Discus Coupler Lock has a 3500 lb cut resistance and a 4 pin pick resistant tumbler.
Measures 2-3/8" in diameter and includes two keys.

$14.99

Stainless Steel Discus Coupler Locks, (3-Pack) #173-70301

Stainless Steel Discus Coupler Locks, (3-Pack) #173-70301

Stock# 1389139
The 3-Pack of Stainless Steel Discus Coupler Locks have a 5000 lb cut resistance and a 4 pin pick resistant tumbler.
Measures 2-3/4" in diameter and includes two keys. All locks are keyed alike.

$35.99

Commercial Marine Grade Resettable Combination Padlock #673-80001

Commercial Marine Grade Resettable Combination Padlock #673-80001

Stock# 1389138
The Stainless Steel Commercial Grade Marine Resettable Combination Padlock is manufactured to be used marine applications. This Lock features a matte chrome boron steel shackle, 4-dial combination and is constructed with heavy nickel plating. The main housing is zinc die-cast with a powder coat finish and includes a dual stainless steel 316 locking bar.

$22.95

FULTON  Universal Fit Trailer Coupler Lock #63226

FULTON Universal Fit Trailer Coupler Lock #63226

Stock# 5020029
Maximum protection against towaway theft for unattended trailers.
Fits Most 1-7/8", 2" and 2-5/16" couplers including A-Frame models.

$19.99

FULTON Gorilla Guard Storage Coupler Lock (2") #63228

FULTON Gorilla Guard Storage Coupler Lock (2") #63228

Stock# 5020047
Maximum protection for unattended trailer, fits Fulton 2" couplers and most other brands. Revolutionary design shields lock from tampering devices. Durable zinc die-cast construction features easy, single key locking action.

$26.99

FULTON Gorilla Guard Storage Coupler Lock (2-5/16") #63227

FULTON Gorilla Guard Storage Coupler Lock (2-5/16") #63227

Stock# 5020048
Maximum protection for unattended trailer, fits Fulton 2-5/16" couplers and most other brands. Revolutionary design shields lock from tampering devices. Durable zinc die-cast construction features easy, single key locking action.

$27.99

BLOCKHEAD™ Lip Engaged Coupler Lock (3-3/4" Width)#TCL1-AS

BLOCKHEAD™ Lip Engaged Coupler Lock (3-3/4" Width)#TCL1-AS

Stock# 1353015
BLOCKHEAD lip engaging coupler lock fits all 1-7/8" and 2" couplers with a lip around the coupler and a trigger style latch.

$25.99

BLOCKHEAD™ Lip Engaged Coupler Lock (4-1/2" Width)#TCL3-AS

BLOCKHEAD™ Lip Engaged Coupler Lock (4-1/2" Width)#TCL3-AS

Stock# 1353016
BLOCKHEAD lip engaging coupler lock fits all 2" and 2-5/16" couplers with a lip around the coupler and a trigger style latch.

$26.99

BLAYLOCK Gooseneck Trailer Combination Lock Set, #TL-52

BLAYLOCK Gooseneck Trailer Combination Lock Set, #TL-52

Stock# 1616011
The model TL-52 Combo Gooseneck coupler lock consists of one Blaylock #TL-51 and one Blaylock #TL-50. This set is precision-made of aircraft aluminum and will not rust. It includes a 3/4 inch heavy-duty steel locking pin for each lock.   Fits Hammerblow, Stallion, Superior and T.E.M Gooseneck style couplers
SUPPLIES LIMITED

Regular Price: $59.77

Special Price: $49.99


BLAYLOCK Gooseneck Trailer Coupler Lock Combo, (RAM) #TL-56

BLAYLOCK Gooseneck Trailer Coupler Lock Combo, (RAM) #TL-56

Stock# 1616019
The model TL-55 is precision-made of aircraft aluminum and will not rust. It features a 3/4 inch heavy-duty steel locking pin. Also includes a lock (TL-51) for the adjustable top part of coupler. (Padlock not included)
Fits RAM Gooseneck style couplers rated at 20k lb.,  24k lb., 25k lb., and 30k lb.
SUPPLIES LIMITED

Regular Price: $59.97

Special Price: $49.00


BLAYLOCK Gooseneck Trailer Coupler Lock Combo, (RAM) #TL-57

BLAYLOCK Gooseneck Trailer Coupler Lock Combo, (RAM) #TL-57

Stock# 1616020
The model TL-55 is precision-made of aircraft aluminum and will not rust. It features a 3/4 inch heavy-duty steel locking pin. Also includes a lock (TL-51) for the adjustable top part of coupler. (Two Padlock's included)
Fits RAM Gooseneck style couplers rated at 20k lb.,  24k lb., 25k lb., and 30k lb.
SUPPLIES LIMITED

Regular Price: $79.99

Special Price: $65.00


BLAYLOCK Bulldog Style 2" Coupler Encasement Lock, #TL-22

BLAYLOCK Bulldog Style 2" Coupler Encasement Lock, #TL-22

Stock# 1616009
The model TL-22 total encasement lock protects your unattended trailer with a strong 5/8" steel pin that extends to top of hitch ball hole. Heavy duty aircraft aluminum will not rust and push button lock recessed into heavy aluminum housing is tamper proof. Two keys are included.   Fits 2" Bulldog style trailer couplers
SUPPLIES LIMITED

Regular Price: $35.99

Special Price: $27.50


BLAYLOCK Lip-Engaging Trailer Coupler Lock, #TL-38

BLAYLOCK Lip-Engaging Trailer Coupler Lock, #TL-38

Stock# 1616008
The model TL-38 simply slips over the coupler and the push button lock engages the 5/8" steel pin. This secures the lock bracket onto coupler. Use the keys provided to unlock and remove coupler lock.
Fits all 1-7/8" and 2" lip-engaging trailer couplers.
SUPPLIES LIMITED

Regular Price: $32.50

Special Price: $26.50


BLAYLOCK Pintle Ring/Lunette Trailer Coupler Lock, #TL-60

BLAYLOCK Pintle Ring/Lunette Trailer Coupler Lock, #TL-60

Stock# 1616005
The Model TL-60 coupler lock for pintle drawbar eye is a deterrent against theft of trailers equipped with the drawbar for pintle couplers. Strong aluminum construction. Features heavy-duty 3/4" steel pin.
Fits drawbar eyes sizes 2-1/2" and 3" inside diameter
SUPPLIES LIMITED

Regular Price: $25.99

Special Price: $19.95


DUTTON-LAINSON 2" Coupler Repair Kit #6257

DUTTON-LAINSON 2" Coupler Repair Kit #6257

Stock# 1568016
Repair kit for Dutton-Lainson 2" ball Class 2 & 3 couplers. Includes the entire ball clamp assembly, for quick change out.

$19.95

DEMCO 2" Coupler Repair Kit 6,000 lb #5696

DEMCO 2" Coupler Repair Kit 6,000 lb #5696

Stock# 1651015
Repair kit for 2" ball Demco coupler or actuator rated at 6,000 lbs.  This is for a lever lock coupler or actuator and comes with everything that you need to rebuild the ball latch.

$32.50

DEMCO 2" Coupler Repair Kit, EZ Latch #5876

DEMCO 2" Coupler Repair Kit, EZ Latch #5876

Stock# 1651020
Repair kit for 2" ball Demco EZ Latch coupler or actuator. This is for a lever lock EZ Latch coupler or actuator and comes with everything that you need to rebuild the ball latch.

$31.95

BULLDOG 'High Profile' A-Frame Coupler Repair Kit #024200

BULLDOG 'High Profile' A-Frame Coupler Repair Kit #024200

Stock# 5207044
BULLDOG A-Frame coupler repair kit for the weld-on 'HIGH PROFILE' series couplers. Kit includes high profile latch handle, latch wire, latch pin, push nut and cotter pin.
SUPPLIES LIMITED

$11.99

'Bump Me' Coupler Cushion / Bumper Guard #13352

'Bump Me' Coupler Cushion / Bumper Guard #13352

Stock# 1568014
Molded cushion absorbs blow between coupler and towing vehicle when hook-up is misjudged. Slips onto the coupler flange and fits most brands of Class 1-4 couplers. No more scratched bumpers or tags.

$11.95