Master Lock 377DAT Trailer Coupler Lock

Name: AllPadlocks Master Lock 377DAT Trailer Coupler Lock - Master Lock 377DAT Trailer Coupler Lock
Brand: AllPadlocks
SKU: 37797271994562
Price: 36.48 USD
Availability: InStock

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$36.48

Purchase at AllPadlocks

Color

Black

Quantity

Description

Master Lock 377DAT Trailer Coupler Lock

fits 1-7/8" & 2" couplers
adjusts to fit many makes and models
uses number 1 key blank
available keyed alike or keyed differently
2 keys included

Delivery & Returns

Visit AllPadlocks for full shipping details

Shipping calculated at checkout

AllPadlocks

4.9 (475)

Product description loading

This is the product description text that will appear here.

AllPadlocks

Master Lock 378DAT Trailer Coupler Lock

$48.73

Master Lock Store

Trailer Coupler Lock, Fits Multiple Sizes, Up to 2-5/16 in

$39.18

Master Lock Store

Trailer Coupler Lock with Universal Fit, Up to 2-5/16 in

$35.99

SBT

Trailer Hitch Lock

$14.90

UHS Hardware

4.5

(17.8K)

KW1 Keys - Nickel Finish Kwikset Key Blanks (JMA) - UHS Hardware

Toyota/ Scion/ Pontiac TR47/ X217 Metal Key (KLN-BTR47) - UHS Hardware

Autel - Nissan / 5-Button - Smart Universal Key - Remote Start / Trunk / Panic - UHS Hardware

Xhorse - XSTO01EN - XM38 Toyota / Lexus Universal Smart Key for 4D - 8A - 4A Chips - UHS Hardware

17% off

UHS Hardware

Honda / Acura / HO03 / High Security Tumbler #4 / Split / P-19-164 (ASP) (25 Pack)

$11.81$14.17

Solid Brass Coupler Lock For Trailer Hitch Security With Weather Resistant Build, 15/16 Inch Shackle with keys

38% off

VXB Bearings

Solid Brass Coupler Lock For Trailer Hitch Security With Weather Resistant Build, 15/16 Inch Shackle, 7/16 Inch Inner Width, 2 Inch Body Width, Precision Pin Tumbler Lock For Tough Outdoor Use

$49.98$80.00

26% off

UHS Hardware

2005-2009 Lexus / 4-Button Smart Key / PN: 271451-0140 / HYQ14AAB (AFTERMARKET)

$90.24$121.34

17% off

UHS Hardware

2007-2012 Nissan Versa / DA34 / LH / Door Lock Cylinder / D-16-151 (Coded) (ASP)

$20.00$24.00

J & J Trailers & Equipment

Coupler Lock, Master Lock

$35.00

igloohome US

4.5

(54)

EC Offroad

2 x Infinite Rule Hitch COMBO Locking Pin Rated to 7000kg Stainless Steel 2.5" and 3" pins

$192.00

Global Link Precut/Master Set RV-Motorhome Key Framon

CLK Supplies

Precut Key Blank | Global Link | Master Set

$315.00

43% off

AllPadlocks

Master Lock 175LH Combination Padlock

(1)

$19.74$34.66

17% off

UHS Hardware

Ilco - 7075 - RIM Cylinder - 5 Pin - 1 1/8" - Sargent LA - KD - 26D - Satin Chrome - Grade 1

$11.21$13.45

AllPadlocks

Master Lock 379ATPY Trailer Coupler Lock

(2)

$33.21

1st-in-Padlocks

UCS-77S HEAVY-DUTY TRAILER COUPLER LOCK

$266.23

44 Delta, LLC

(613)

Trailer-Alarms.com

Pro Tec Door Pin

$8.50

AllPadlocks

Master Lock 770LHC Hidden Shackle Padlock With Hasp

$49.67

Tuppens

Master Lock Stainless Steel Coupler Latch Lock 9/16" - 2-3/4".

$19.95

YAGI Pipe and Steel / McKee's Discount Steel

RAM Gooseneck Style Coupler Lock TL-55 Heavy-Duty Security Lock

$99.00

AllPadlocks

Master Lock 1175 All Weather Combination Padlock

(1)

$22.55

Proven Industries

4.8

(8.8K)

Model 400XL Puck Locks Proven Locks Blue (Billet 6061 Aluminum) Keyed Differently

Model 2516 2 5/16'' Trailer Coupler Locks Proven Locks

Receiver Hitch Lock Model HL1 other locks Proven Industries 2'' Aluminum BLUE Cobra 7 Keyed Alike (All locks in shopping cart will have the same key) (+ $1.00)

Extra Keys-Includes a set of 2 keys 2 5/16'' Trailer Coupler Locks Proven Industries

17% off

UHS Hardware

2012-2017 Honda / HO03 / Ignition Lock Cylinder / Coded / C-19-122 (ASP)

(3)

$54.72$65.66

17% off

UHS Hardware

1999-2007 Nissan Infiniti / DA34 / Driver Side Door Lock Cylinder / Coded / D-16-133 (ASP)

(1)

$17.86$21.43

BulletProof Hitches®

BulletProof Extreme Duty Trailer Lock Set

$149.95

#5 Sargent Master Pin 100PK Sargent Pin Specialty Products Mfg.

25% off

CLK Supplies

#5 Sargent Master Pin 100PK

$2.24$2.99

17% off

UHS Hardware

Honda / Acura / HO03 / High Security Tumbler #1 / Split / P-19-161 (ASP) (25 Pack)

(3)

$11.81$14.17

CLK Supplies

Drillmaster 3 Cylindrical Lock Drill Guide (HIT-49)

$422.16

SPARROWS Lock Picks

4.8

(5.6K)

1st-in-Padlocks

UCS-79A TRAILER COUPLER LOCK

$72.62

Trailer Coupler Latch Lock For Towaway Theft Prevention, 3.4 Inch Long Shackle And Nine Thirty-Second Inch Pin with keys

32% off

VXB Bearings

Trailer Coupler Latch Lock For Towaway Theft Prevention, 3.4 Inch Long Shackle And Nine Thirty-Second Inch Pin, Heavy Duty Security Lock That Works When Trailers Are Connected Or Unhitched

$59.99$88.00

EC Offroad

2 x Infinite Rule Hitch Locking Pin Rated to 7000kg Stainless Steel for 2” Receiver

$192.00

Master Lock Store

Trailer Coupler Lock with Adjustable Stainless Steel Latch, Up to 2-3/4 in

$8.99

AllPadlocks

PACLOCK UCS-88A Shrouded Coupler Lock

$54.14

cmfxa's lock shop

(7)

17% off

UHS Hardware

1997-2001 Honda CR-V / HD103 / Ignition Lock Cylinder / Coded / C-19-118 (ASP)

(1)

$33.44$40.13

1st-in-Padlocks

TMC10 KEYED COUPLER LOCK LEVER/DOOR LATCH LOCK

$19.04

AllPadlocks

ABUS 24/70 Diskus Padlock Weatherproof 24IB

$25.12

17% off

UHS Hardware

Yanhua - ACDP - New Volvo - IMMO Module #20 - A302

(1)

$127.00$152.40

SCOUT

"Zero Rattle" Hitch Pin & Lock

$34.95

Scelzi Equipment Truck Parts Store

AllPadlocks

Master Lock 5KA Padlock Laminated Steel Keyed Alike

(5)

$13.57

AllPadlocks

Master Lock 6121LJ All Weather Padlock

(8)

$23.48

AllPadlocks

Magnum M40XD Disc Padlock

(1)

$14.72

Covert Instruments

4.9

(16.2K)

Madlock Trailer Locks LLC

2-5/16" Ball Madlock Trailer Coupler Lock

$189.00

AllPadlocks

Master Lock 37 Shrouded Laminated Steel Padlock

(3)

$14.02

17% off

UHS Hardware

Honda / Acura / HO03 / High Security Tumbler #3 / Full / P-19-169 (ASP) (10 Pack)

$7.25$8.70

1st-in-Padlocks

2847DAT RECEIVER LOCK

$11.69

The Spy Store

Stainless Steel Trailer Anti-Theft Pin Lock - For Off-Road Vehicle & RV Hitch

(1)

A$29.00

1st-in-Padlocks

(16)

17% off

UHS Hardware

Honda / Acura / HO03 / High Security Tumbler #2 / Full / P-19-168 (ASP) (10 Pack)

$7.25$8.70

AllPadlocks

Master Lock 770 Hidden Shackle Padlock Hasp

(1)

$23.55

United RV Parts

JR Products | Small Coupler Lock Pin | 1/4" Diameter 1-3/8" Usable Length | 01094

$3.99

Logan Coach

TRAILER SLAM LATCH-628047-B

$65.00

17% off

UHS Hardware

2011-2014 Lexus / 4-Button Smart Key / PN: 89904-30C60 / HYQ14AEM / GNE Board 6601 (OEM)

$171.45$205.74

Fleet Key Supply

4.9

(365)

17% off

UHS Hardware

2004-2012 Chevrolet Colorado GMC Canyon / B110 / RH Passenger / Door Lock Cylinder / Coded / D-24-122 (ASP)

(2)

$35.64$42.77

AllPadlocks

Master Lock 379DAT Trailer Coupler Lock

$27.90

1st-in-Padlocks

379ATPY TRAILER COUPLER LOCK

$50.80

TPX

5/8" BulletProof Locking Pin Single

$49.95

LPB

4.9

(278)

17% off

UHS Hardware

Exit Trim Pull Handle - w/ Cylinder Hole - 26D - Silver

$34.95$41.94

Horse Trailer Accessory Store, Inc.

Masterlock Hasp orTrigger-Type Coupler Lock w/ 2 Pin Sizes

$16.50

The Equipment Lock Company

Hitch Pin Lock

$99.95

17% off

UHS Hardware

ASSA - Maximum+ - Rim Cylinder - Horizontal Tail Piece - 1-1/8" - 626 - Satin Chrome

$140.06$168.07

AllPadlocks

ABUS Lock 28/60 Diskus Padlock

$16.74

The Equipment Lock Company

4.3

(32)

Master Lock Store

Extended Length Stainless Steel Receiver Hitch Lock, Fits 5/8 in Receivers

$33.99

17% off

UHS Hardware

2000-2004 Toyota Avalon Sequoia Tundra / TR47 / Transponder / Ignition Lock Cylinder / Coded / ASP-C-30-160 (ASP)

$118.00$141.60

CLK Supplies

Door Tote by Major Mfg. (DT200)

$581.40

17% off

UHS Hardware

2015-2017 Honda HR-V / HO01 / LH / Door Lock Service Pack / D-19-145 (ASP)

$38.00$45.60

17% off

UHS Hardware

Simplex - 202052 - Deadbolt Assembly - 2 3/4" Backset - Simplex 7102 Series - Satin Chrome

(1)

$28.11$33.73

AllPadlocks

Paclock UCS-82A Hidden Shackle Aluminum Container Door Lock

$64.91

MasterLock 379ATPY Universal Trailer Coupler Lock with Rekeyable Cylinder

30% off

Toolup

MasterLock 379ATPY Universal Trailer Coupler Lock with Rekeyable Cylinder

$41.05$59.02

Hardware & Tools

Master Lock 1414DAT Hitch Pin, 5/8 in Dia Pin, 2-1/2 in OAL, Hardened Steel, Nickel Chrome

$7.85

AllPadlocks

Master Lock 5401D Wall Mount Lock Box

$37.25

17% off

UHS Hardware

1994-1997 Acura / Honda / HD103 / Complete Ignition Lock & Housing / Coded / C-19-239 (ASP)

$99.00$118.80

CLK Supplies

4.8

(1.2K)

SC1, 1145 Schlage Key Blank Residential-Commercial Key JMA USA

SC1 Schlage DND Key Residential-Commercial Key Ilco

SC4, 1145A Schlage Key Residential-Commercial Key JMA USA

IC Core Best A Key (1A1A1, A1114A) Residential-Commercial Key JMA USA

RANDYS Worldwide

BulletProof Extreme Pintle Trailer Lock Set

$134.00

17% off

UHS Hardware

DETEX Cover Lock Cylinder & Keys for EAX500 and ECL-230D Exit Alarm

(1)

$27.42$32.90

UHS Hardware

Ilco - Rim Zinc Die Cast Cylinder - 5 Pin - Schlage C - KD - BLK - Black - Grade 1

(2)

$5.97

AllPadlocks

American Lock A801LHC Hidden Shackle Padlock With Hasp

(1)

$67.82

SBT

Coupler Locking Pin

$3.00

Bauer Products

4.8

(38)

CLK Supplies

Uncut Transponder Key | Mitsubishi | MIT14PT

$6.92

17% off

UHS Hardware

Honda / Acura / HO03 / High Security Tumbler #2 / Split / P-19-162 (ASP) (25 Pack)

$11.81$14.17

Master Lock 377DAT Trailer Coupler Lock

Delivery & Returns

AllPadlocks

Delivery & Returns

AllPadlocks

You might also like

Master Lock 378DAT Trailer Coupler Lock

Trailer Coupler Lock, Fits Multiple Sizes, Up to 2-5/16 in

Trailer Coupler Lock with Universal Fit, Up to 2-5/16 in

Trailer Hitch Lock

UHS Hardware

Honda / Acura / HO03 / High Security Tumbler #4 / Split / P-19-164 (ASP) (25 Pack)

Solid Brass Coupler Lock For Trailer Hitch Security With Weather Resistant Build, 15/16 Inch Shackle, 7/16 Inch Inner Width, 2 Inch Body Width, Precision Pin Tumbler Lock For Tough Outdoor Use

2005-2009 Lexus / 4-Button Smart Key / PN: 271451-0140 / HYQ14AAB (AFTERMARKET)

2007-2012 Nissan Versa / DA34 / LH / Door Lock Cylinder / D-16-151 (Coded) (ASP)

Coupler Lock, Master Lock

igloohome US

2 x Infinite Rule Hitch COMBO Locking Pin Rated to 7000kg Stainless Steel 2.5" and 3" pins

Precut Key Blank | Global Link | Master Set

Master Lock 175LH Combination Padlock

Ilco - 7075 - RIM Cylinder - 5 Pin - 1 1/8" - Sargent LA - KD - 26D - Satin Chrome - Grade 1

Master Lock 379ATPY Trailer Coupler Lock

UCS-77S HEAVY-DUTY TRAILER COUPLER LOCK

44 Delta, LLC

Pro Tec Door Pin

Master Lock 770LHC Hidden Shackle Padlock With Hasp

Master Lock Stainless Steel Coupler Latch Lock 9/16" - 2-3/4".

RAM Gooseneck Style Coupler Lock TL-55 Heavy-Duty Security Lock

Master Lock 1175 All Weather Combination Padlock

Proven Industries

2012-2017 Honda / HO03 / Ignition Lock Cylinder / Coded / C-19-122 (ASP)

1999-2007 Nissan Infiniti / DA34 / Driver Side Door Lock Cylinder / Coded / D-16-133 (ASP)

BulletProof Extreme Duty Trailer Lock Set

#5 Sargent Master Pin 100PK

Honda / Acura / HO03 / High Security Tumbler #1 / Split / P-19-161 (ASP) (25 Pack)

Drillmaster 3 Cylindrical Lock Drill Guide (HIT-49)

SPARROWS Lock Picks

UCS-79A TRAILER COUPLER LOCK

Trailer Coupler Latch Lock For Towaway Theft Prevention, 3.4 Inch Long Shackle And Nine Thirty-Second Inch Pin, Heavy Duty Security Lock That Works When Trailers Are Connected Or Unhitched

2 x Infinite Rule Hitch Locking Pin Rated to 7000kg Stainless Steel for 2” Receiver

Trailer Coupler Lock with Adjustable Stainless Steel Latch, Up to 2-3/4 in

PACLOCK UCS-88A Shrouded Coupler Lock

cmfxa's lock shop

1997-2001 Honda CR-V / HD103 / Ignition Lock Cylinder / Coded / C-19-118 (ASP)

TMC10 KEYED COUPLER LOCK LEVER/DOOR LATCH LOCK

ABUS 24/70 Diskus Padlock Weatherproof 24IB

Yanhua - ACDP - New Volvo - IMMO Module #20 - A302

"Zero Rattle" Hitch Pin & Lock

Scelzi Equipment Truck Parts Store

Master Lock 5KA Padlock Laminated Steel Keyed Alike

Master Lock 6121LJ All Weather Padlock

Magnum M40XD Disc Padlock

Covert Instruments

2-5/16" Ball Madlock Trailer Coupler Lock

Master Lock 37 Shrouded Laminated Steel Padlock

Honda / Acura / HO03 / High Security Tumbler #3 / Full / P-19-169 (ASP) (10 Pack)

2847DAT RECEIVER LOCK

Stainless Steel Trailer Anti-Theft Pin Lock - For Off-Road Vehicle & RV Hitch

1st-in-Padlocks

Honda / Acura / HO03 / High Security Tumbler #2 / Full / P-19-168 (ASP) (10 Pack)

Master Lock 770 Hidden Shackle Padlock Hasp

JR Products | Small Coupler Lock Pin | 1/4" Diameter 1-3/8" Usable Length | 01094

TRAILER SLAM LATCH-628047-B

2011-2014 Lexus / 4-Button Smart Key / PN: 89904-30C60 / HYQ14AEM / GNE Board 6601 (OEM)

Fleet Key Supply

2004-2012 Chevrolet Colorado GMC Canyon / B110 / RH Passenger / Door Lock Cylinder / Coded / D-24-122 (ASP)

Master Lock 379DAT Trailer Coupler Lock

379ATPY TRAILER COUPLER LOCK

5/8" BulletProof Locking Pin Single

LPB

Exit Trim Pull Handle - w/ Cylinder Hole - 26D - Silver

Masterlock Hasp orTrigger-Type Coupler Lock w/ 2 Pin Sizes

Hitch Pin Lock

ASSA - Maximum+ - Rim Cylinder - Horizontal Tail Piece - 1-1/8" - 626 - Satin Chrome

ABUS Lock 28/60 Diskus Padlock

The Equipment Lock Company

Extended Length Stainless Steel Receiver Hitch Lock, Fits 5/8 in Receivers

2000-2004 Toyota Avalon Sequoia Tundra / TR47 / Transponder / Ignition Lock Cylinder / Coded / ASP-C-30-160 (ASP)

Door Tote by Major Mfg. (DT200)

2015-2017 Honda HR-V / HO01 / LH / Door Lock Service Pack / D-19-145 (ASP)