Top 10 Masterlock Trailer Hitch Lock – Towing Hitch Locks

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1. Master Lock

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And 2-5/16" Couplers, Universal Size Fits 1-7/8", 2", Trailer Locks #389DAT, Master Lock

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Master Lock #ad - Universal coupler lock fits virtually all 1-7/8", 2", and 2-5/16" trailer couplers. Simple installation and removal. Advanced locking mechanism resists picking and prying. This lock protects unattended trailers and guards against tow-away theft. Resists rust and corrosion. The bright red finish discourages thiefs from messing with your trailer.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height7.5 Inches
Length6.5 Inches
Weight1 Pounds
Width4 Inches
Part Number389DAT
Model389DAT
WarrantyMASTER LOCK PRODUCT WARRANTY Limited Lifetime Warranty Master Lock Company LLC (“Master Lock”) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

2. Master Lock

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Master Lock 379ATPY Universal Trailer Hitch Lock , Black

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Master Lock #ad - 59mm trailer couplers. Trailer hitch lock is constructed from zinc to resist rust and corrosion. 51mm and most 2-5/16 in. Includes one trailer coupler lock, two keys. Trailer lock is best used for vehicles, trailers, and RVs. Trailer hitch lock fits 1-7/8 in. Trailer coupler lock features advanced locking mechanism to resist picking and prying. 48mm, 2 in.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height4.6 inches
Length5.1 inches
Weight2 Pounds
Width3.5 inches
Part Number379ATPY
Model379ATPY
Warranty1 year manufacturer

3. Master Lock

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1469DAT, Weather Resistant Automotive Receiver Lock, Stainless Steel Barbell™ Receiver Lock, Fits 5/8 in. Receivers, Master Lock Receiver Lock

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Master Lock #ad - Receiver openings; extended length shaft fits toyota tundra, Ford F-150/F-250/F-350, GMC/Chevy 2500/3500 and Dodge trucks with heavy-duty tow packages.

Specifications: usable length of receiver pin is 3-1/2 in. Stainless steel lock fits 5/8 in. Ease of use: receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key. Includes: one trailer reciver lock, two keys. Lock application: Best used for vehicles, trailers, and RV hitch locks. Durable design: weather tough seal and watertight cap provide protection from moisture and dirt; Hitch lock is rated for Class III/IV 10, 000 pound load.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2 Inches
Length8 Inches
Weight0.7 Pounds
Width4 Inches
Part Number1469DAT
Model1469DAT
WarrantyLimited Lifetime Warranty

4. Master Lock

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Master Lock 1480DAT Stainless Steel Receiver Lock for 5/8 in. Receiver Hole

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Master Lock #ad - Master lock headquarters are in Oak Creek, Wisconsin, United States. The product is highly durable and easy to use. Master lock is an American company. The product is manufactured in China. Key retaining for increased safety. Precision 4-pin tumbler mechanism resists picking. Hardened receiver pins for increased sheer strength. K1 key blank for all receiver locks. Easy installation and easy handling.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height1.56 Inches
Length9 Inches
Weight0.82 Pounds
Width4.7 Inches
Part Number1480DAT
Model1480DAT
WarrantyLimited Lifetime Warranty

5. Master Lock

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Master Lock 377DAT Trailer Hitch Lock

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Master Lock #ad - One of the unique features of this product is the ratcheting shaft which allows it to fit most 1-7/8 inch and 2 inch couplers. 48mm, 2 in. Trailer hitch lock is constructed from zinc to resist rust and corrosion. 59mm trailer couplers. Trailer lock is best used for vehicles, trailers, and RVs. 51mm and most 2-5/16 in. Includes one trailer coupler lock, two keys. Trailer coupler lock features advanced locking mechanism to resist picking and prying. Trailer hitch lock fits 1-7/8 in. Nickel-plated, zinc die-cast body with a front access key-way for ease of accessibility.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2.68 Inches
Length6.56 Inches
Weight1 Pounds
Width7.5 Inches
Part Number470-377DAT
Model377DAT
WarrantyLIMITED WARRANTY

6. Master Lock

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Coupler Lock, 3 Components Keyed Alike, Master Lock 3895DAT, Receiver Lock and Latch Lock

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Master Lock #ad - 1 coupler lock, 1 receiver lock & 1 latch lock all keyed alike; 1 key opens all 3 locks. This lock set can not be keyed alike with other locks nor can 2 of these lock sets be keyed alike. The limited lifetime Warranty provides peace of mind from a brand you can trust. Complete trailer security system KEYED ALIKE. For more detailed information, please click "See More Product Details".
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height3.5 Inches
Length9 Inches
Width6.25 Inches
Part Number3895DAT
Model3895DAT
WarrantyMASTER LOCK PRODUCT WARRANTY: Limited Lifetime Warranty. Master Lock Company LLC (Master Lock) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

7. Master Lock

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377KA, Master Lock Trailer Hitch Lock, Weather Resistant Automotive Hitch Lock with Keys, and Most 2-5/16 in. Trailer Couplers, Fits 1-7/8 in., 2 in.

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Master Lock #ad - Trailer hitch lock is constructed from zinc to resist rust and corrosion. 48mm, 2 in. 51mm and most 2-5/16 in. 59mm trailer couplers. Trailer coupler lock features advanced locking mechanism to resist picking and prying. Trailer lock is best used for vehicles, trailers, and RVs. One trailer coupler lock, two keys. Trailer hitch lock fits 1-7/8 in.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height2.8 Inches
Length5.6 Inches
Width4.3 Inches
Part Number377KA
Model377KA
WarrantyLimited Lifetime Warranty

8. Master Lock

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3 Keyed Alike Universal Trailer Coupler Locks 379KA-3, Master Lock

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Master Lock #ad - Limited Lifetime warranty. The same key opens all three locks. In stock with a delivery time of 1 to 5 days. Rekeyable cylinder for keyed alike convenience with an advanced locking mechanism that resists picking and prying. Few materials provide the strength and toughness of zinc alloys.

It also rotates less rigidity making it harder to break with sledge hammer force. Each lock comes with two keys, therefore you will receive a total of six keys with the purchase of this 3 pack. This simple design is difficult to defeat because when it's locked on the trailer the lock rests on top of the coupler see image thus thwarting blunt force from downward hammer strikes. The universal trailer coupler lock fits 1-7/8in 48mm, hammerblow, lainson, 2in 51mm and most 2-5/16in 59mm couplers by Reese, Dutton, Putnam, Shelby, Atwood, Valley, Fulton, and UFP.

Made with reinforced zinc die-cast resists rust and corrosion. This is a set of 3 keyed alike trailer coupler/tongue locks and is ideal when needing multiple locks that utilize ONLY one key. And is simple to install and remove. Zinc alloys offer high strengths to 60, plastics, 000 psi and superior elongation for strong designs and formability for bending, crimping and riveting operations. Each lock weighs 2. 4 lbs.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Weight2.4 Pounds
Part NumberB007C4US1S
Model379KA-3
WarrantyMASTER LOCK PRODUCT WARRANTY Limited Lifetime Warranty Master Lock Company LLC (“Master Lock”) grants the following warranty: If this product or any part of the product fails due to a defect in materials or workmanship at any time during the life of the product, Master Lock will, at its own discretion, repair or replace the product or part free of charge. Simply contact Master Lock at www.masterlock.com or 1.800.464.2088 for instructions on obtaining repair or replacement.

9. Master Lock

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Trailer Coupler & Receiver Lock Combo Pack, 3794DAT , Red, Master Lock Trailer Lock

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Master Lock #ad - Lock application: Best used for vehicles, trailers, and RV hitch locks. Includes: one trailer coupler lock, one receiver lock, one trailer coupler latch lock; two keys both keys open all three locks. And most 2-5/16 in. Durable design: weather Tough seal and watertight cap provide protection from moisture and dirt. To 2-3/4 in. Fits 1-7/8 in. 2 in. Couplers. Ease of use: receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key. Specifications: stainless steel trailer coupler lock adjusts from 9/16 in.
BrandMaster Lock #ad
ManufacturerMASTER LOCK #ad
Height4 Inches
Length10 Inches
Weight1 Pounds
Width5 Inches
Part Number3794DAT
Model3794DAT
Warranty1 year manufacturer

10. Master Lock

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Master Lock 1481DAT Stainless Steel Barbell Receiver and Adjustable Coupler Lock Set

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Master Lock #ad - Stainless steel keyed alike receiver lock and coupler latch lock. 5/8 inch receiver lock has Push to Lock locking mechanism push lock body onto pin firmly and remove key. Usable length of receiver pin is 2-3/4 inch. Adjustable coupler latch lock, locks from 9/16 inch to 2-3/4 inch. Weather tough seal and water tight cap protects lock from moisture.
BrandMaster Lock #ad
ManufacturerMaster Lock #ad
Height8.88 Inches
Length7 Inches
Weight2 Pounds
Width5.75 Inches
Part Number1481DATSC
Model1481DATSC