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Note - if you want to buy 2 sets or more of this product, please Note: the keys of different sets are NOT KEYED ALIKE. Metoware keyed alike trailer hitch receiver& coupler lock kit, 5/8” dia 3-1/2” long trailer hitch lock Hitch Receiver Pin Lock for Class III IV Receiver, 1/4” Dia Trailer Hitch Coupler Lock with 3/4” Inch Span.
And the dust cap aims to keep the keyhole away from water and dirt, you can easily push to lock it without using key. Safe & easy to use reciever lock - our trailer coupler lock is designed for easy operation. To open it, great design for easier using. Safe & easy to use coupler lock - our coupler locks are easy to operate with screw-type locking action -- just turn the key 5-7 times to open or lock, save your time and effort. Coupler lock features – made of premium strength steel and coated with electrophoretic paint, our trailer hitch is durable and rust-proof.


This trailer lock set offers comprehensive security of your towing system. The hitch lock and coupler latch lock of this trailer lock set are made with high-strength steel construction.
The coupler lock is constructed from highly corrosion-resistant anodized aluminum. With a 5/8-inch diameter pin, the receiver hitch lock fits virtually any 2-inch hitch receiver with a 5/8-inch hole. The coupler locks in this lock set feature a simple 1/4-turn lock activation for fast locking and unlocking as needed. The coupler latch lock has a 1/4-inch pin and fits a coupler span up to 2-1/2 inches.

Zinc alloy tubular lock core and more solid round key also help to improve security of the hitch locking pin. Made of high-strength steel and coated with black electrophoretic paint, the 5/8 inch hitch pin lock & 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion.
Trailer hitch coupler locking pin: dia 1/4 inch black tongue lock pin fits latch-type couplers with a max span up to 2-1/2 inch. We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. For convenience, our lock comes with 2 keys each set. Any issue in using our trailer hitch coupler lock, simply contact us, your problem will be solved within 24 HOURS. Dogbone style hitch receiver lock : dia 5/8 inch pin with 3-1/2" effective length, perfect for Class III/IV 2", 2-1/2" hitch receiver tubes.

If you have any quality problem during warranty period 30 DAYS GUARANTEE, and we will try our best to solve your problems. And the lock pin of the large lock of the yellow ball receiver perfectly meshes with the teeth of the lock arm. Easy and quick to install and remove. Easy to install: for the convenience of having three sharing the same key.
And the keys are pretty solid. Great value kit: pair all your locks with just one key! our trailer hitch lock set including 1 pc yellow u-shaped universal ball hitch lock #72783, which share the same keys pack of 2 to ensure security, 1 pc 1/2" and 1 pc 5/8" receiver hitch pin lock, 1 pc golden trailer hitch lock coupler locking pin, Please confirm that the trailer lock kit is the correct size before purchasing. We stand by our products, please contact Funmit customer service team in time, and our customers are our focus as a business.

In stock with a delivery time of 1 to 5 days. The same key opens all three locks. Limited Lifetime warranty. Impact resistance is significantly higher than cast aluminium alloys, 000 psi and superior elongation for strong designs and formability for bending, and grey cast iron.
These locks protects unattended trailers and guards against tow-away theft. 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. And is simple to install and remove. This is a set of 3 keyed alike trailer coupler/tongue locks and is ideal when needing multiple locks that utilize ONLY one key. Each lock weighs 2.


Trailer coupler ball lockratchet design is adjustable with 11 locking positions and fits 1-7/8”, 2”, and 2-5/16” couplers with 2 keys. Trailer hitch lock1/2" and 5/8" pin lock set with extra long 3-1/2" span is suitable for trailers, 2.
Trailer coupler tongue lock. Trailer hitch coupler lock, dia 1/4 inch. This trailer coupler lock fits latch-type Couplers Up to 3/4 Inch Span for Tugboat RV Truck Car Coupling Lock. Kit includestrailer hitch lock kit includes 1 universal ball connector lock, 1 x black trailer hitch lock coupler locking pin, 1 x 1/2" and 1 x 5/8" receiver hitch pin lock, share the same key package 6 for security. Please check the lock size and get the proper hitch pin lock before placing your order.

With a 5/8-inch diameter pin, the receiver hitch lock fits virtually any 2-inch hitch receiver with a 5/8-inch hole. To protect your equipment from theft and give you peace of mind, the hitch lock and trailer coupler lock are made with high-strength steel construction.
This trailer lock set offers comprehensive security of your towing system. Ergonomic operation. Dependable strength. Watertight. It includes a trailer hitch lock for locking a ball mount or other receiver hitch accessory, as well as a coupler lock for securing your trailer coupler. Complete security.

1. METOWARE
#ad
1/4” Dia Trailer Coupler Lock with 3/4” Inch Span, 5/8” Dia 3-1/2” Long Trailer Hitch Lock Receiver Pin Lock for Class III IV Receiver, METOWARE Keyed Alike Trailer Hitch Receiver& Coupler Lock Kit
#adMETOWARE #ad - With the push-to-lock design, just turn the key a little bit and the pin will pop out by itself. Please confirm your required size or email us for more suggestion before having the order. It is reliable for long-term hauling and is secure for full protection, boat, safely protecting your trailer, camper and so on from theft.Note - if you want to buy 2 sets or more of this product, please Note: the keys of different sets are NOT KEYED ALIKE. Metoware keyed alike trailer hitch receiver& coupler lock kit, 5/8” dia 3-1/2” long trailer hitch lock Hitch Receiver Pin Lock for Class III IV Receiver, 1/4” Dia Trailer Hitch Coupler Lock with 3/4” Inch Span.
More information #ad
Receiver lock feature - the trailer hitch receiver lock pin is designed with 5/8" diameter and 3-1/2” long to make it works well with class III IV hitches, truck, big towing vehicle, 2” 2-1/2” hitch receiver. The tow hitch can be installed quickly and easily so that you can hoop up and head out right away. And the dust cap aims to keep the keyhole away from water and dirt, you can easily push to lock it without using key. Safe & easy to use reciever lock - our trailer coupler lock is designed for easy operation. To open it, great design for easier using. Safe & easy to use coupler lock - our coupler locks are easy to operate with screw-type locking action -- just turn the key 5-7 times to open or lock, save your time and effort. Coupler lock features – made of premium strength steel and coated with electrophoretic paint, our trailer hitch is durable and rust-proof.
Brand | METOWARE #ad |
Manufacturer | METOWARE #ad |
Weight | 1.3 Pounds |
Part Number | 47272 |
Model | 47272 |
More information #ad
2. Master Lock
#ad
Master Lock 3895DAT, Coupler Lock, Receiver Lock, and Latch Lock, 3 Components Keyed Alike
#adMaster Lock #ad - 1 coupler lock, 1 receiver lock & 1 latch lock all keyed alike; 1 key opens all 3 locks. Complete trailer security system KEYED ALIKE. For more detailed information, please click "See More Product Details".More information #ad
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.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 3.5 Inches |
Length | 9 Inches |
Width | 6.25 Inches |
Part Number | 3895DAT |
Model | 3895DAT |
Warranty | MASTER 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. |
More information #ad
3. CURT
#ad
2 or 2-5/16-Inch Coupler, CURT 23088 Trailer Lock Set for 2-Inch Receiver
#adCURT #ad - Complete security. Convenient. Dependable strength. Watertight. It includes a trailer hitch lock for locking a shank into your hitch receiver, a coupler lock for the trailer latch and a tongue lock. All of the locks are keyed alike for convenient, one-key access spare key included.This trailer lock set offers comprehensive security of your towing system. The hitch lock and coupler latch lock of this trailer lock set are made with high-strength steel construction.
More information #ad
Versatile. The internal components of the hitch lock and coupler latch lock can be easily protected from the elements with the included watertight dust caps. The coupler lock is constructed from highly corrosion-resistant anodized aluminum. With a 5/8-inch diameter pin, the receiver hitch lock fits virtually any 2-inch hitch receiver with a 5/8-inch hole. The coupler locks in this lock set feature a simple 1/4-turn lock activation for fast locking and unlocking as needed. The coupler latch lock has a 1/4-inch pin and fits a coupler span up to 2-1/2 inches.
Brand | CURT #ad |
Manufacturer | CURT #ad |
Height | 3 Inches |
Length | 11 Inches |
Weight | 2.65 Pounds |
Width | 9 Inches |
Part Number | 23088 |
Model | 23088 |
Warranty | Limited Lifetime |
More information #ad
4. CZC AUTO
#ad
CZC AUTO Hitch Lock Set Dia 5/8 Inch Trailer Hitch Receiver Pin Lock Keyed Alike for Class III IV 2" and 2-1/2" Receiver Dia 1/4 Inch Hitch Coupler Lock with 2-1/2 Inch Span Fit Latch-Type Couplers
#adCZC AUTO #ad - Easy operate design: czc auto hitch lock can be easily locked and unlocked with key. Please verify the size before purchasing czc auto trailer receiver lock set. Universal application of czc auto hitch pin lock kit. Hitch rack, bike rack, hitch ball and tow rope, cargo hitch tray, perfect for 2" and 2-1/2" receivers and latch-type couplers for towing purpose like trailer truck RV car boat.Zinc alloy tubular lock core and more solid round key also help to improve security of the hitch locking pin. Made of high-strength steel and coated with black electrophoretic paint, the 5/8 inch hitch pin lock & 1/4 inch trailer coupler lock is good at detering theft and preventing corrosion.
More information #ad
Czc auto - reliable brand in hitch locks industry. And after locked, you just need to pull the lock head to ensure it is working. Trailer hitch coupler locking pin: dia 1/4 inch black tongue lock pin fits latch-type couplers with a max span up to 2-1/2 inch. We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. For convenience, our lock comes with 2 keys each set. Any issue in using our trailer hitch coupler lock, simply contact us, your problem will be solved within 24 HOURS. Dogbone style hitch receiver lock : dia 5/8 inch pin with 3-1/2" effective length, perfect for Class III/IV 2", 2-1/2" hitch receiver tubes.
Brand | CZC AUTO #ad |
Manufacturer | CZC AUTO #ad |
Part Number | 11208F |
Model | 11208F |
More information #ad
5. Funmit
#ad
Golden Trailer Hitch Lock Coupler Locking Pin, 1/2" and 5/8" Receiver Hitch Pin Lock, Share the Same 2 Keys, Trailer Hitch Security Lock Set Including Yellow U-Shaped Universal Ball Hitch Lock #72783
#adFunmit #ad - Premium quality: resulting in incredible Security and Quality with Made of high quality hardware materials, for all types of weather conditions. Shop with confidence: funmit adhere to provide all customers with a simple, streamlined shopping experience of large appliance replacement parts, and prove that we have the highest quality parts and service out there.If you have any quality problem during warranty period 30 DAYS GUARANTEE, and we will try our best to solve your problems. And the lock pin of the large lock of the yellow ball receiver perfectly meshes with the teeth of the lock arm. Easy and quick to install and remove. Easy to install: for the convenience of having three sharing the same key.
More information #ad
Durable & security reliable: trailer hitch lock set are made of high-quality solid hardware materials for all types of weather conditions, prying and drill outs, and safely protects your trailer, which can carry up to 30, twice as much as that of common pin locks. Our trailer hitch lock resists picking, boat, 000 lbs, which provides added security and theft deterrence while towing, and camper from theft. And the keys are pretty solid. Great value kit: pair all your locks with just one key! our trailer hitch lock set including 1 pc yellow u-shaped universal ball hitch lock #72783, which share the same keys pack of 2 to ensure security, 1 pc 1/2" and 1 pc 5/8" receiver hitch pin lock, 1 pc golden trailer hitch lock coupler locking pin, Please confirm that the trailer lock kit is the correct size before purchasing. We stand by our products, please contact Funmit customer service team in time, and our customers are our focus as a business.
Brand | Funmit #ad |
Manufacturer | Funmit #ad |
Part Number | 72783 |
Model | 72783 |
More information #ad
6. Master Lock
#ad
Master Lock, 3 Keyed Alike Universal Trailer Coupler Locks 379KA-3
#adMaster Lock #ad - The universal trailer coupler lock fits 1-7/8in 48mm, atwood, putnam, Hammerblow, Fulton, Shelby, 2in 51mm and most 2-5/16in 59mm couplers by Reese, Lainson, Dutton, Valley, and UFP. Each lock comes with two keys, therefore you will receive a total of six keys with the purchase of this 3 pack.In stock with a delivery time of 1 to 5 days. The same key opens all three locks. Limited Lifetime warranty. Impact resistance is significantly higher than cast aluminium alloys, 000 psi and superior elongation for strong designs and formability for bending, and grey cast iron.
More information #ad
It also rotates less rigidity making it harder to break with sledge hammer force. Made with reinforced zinc die-cast resists rust and corrosion. These locks protects unattended trailers and guards against tow-away theft. 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. And is simple to install and remove. This is a set of 3 keyed alike trailer coupler/tongue locks and is ideal when needing multiple locks that utilize ONLY one key. Each lock weighs 2.
Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Weight | 2.4 Pounds |
Part Number | B007C4US1S |
Model | 379KA-3 |
Warranty | MASTER 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. |
More information #ad
7. Master Lock
#ad
Red, 3794DAT , Trailer Coupler & Receiver Lock Combo Pack, Master Lock Trailer Lock
#adMaster Lock #ad - Ease of use: receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key. Couplers. Durable design: weather Tough seal and watertight cap provide protection from moisture and dirt.More information #ad
And most 2-5/16 in. Lock application: Best used for vehicles, trailers, and RV hitch locks. Specifications: stainless steel trailer coupler lock adjusts from 9/16 in. To 2-3/4 in. Fits 1-7/8 in. 2 in. Includes: one trailer coupler lock, one receiver lock, one trailer coupler latch lock; two keys both keys open all three locks.Brand | Master Lock #ad |
Manufacturer | MASTER LOCK #ad |
Height | 4 Inches |
Length | 10 Inches |
Weight | 1 Pounds |
Width | 5 Inches |
Part Number | 3794DAT |
Model | 3794DAT |
Warranty | 1 year manufacturer |
More information #ad
8. OPENROAD
#ad
Include Trailer Coupler Lock,Tongue Lock and 5/8 Inch, OPENROAD Trailer Hitch Lock Set, 1/2 Inch Hitch Pin Lock Fit Class I II III IV V Receiver to Secure Trailer for Towing and StorageKeys Alike
#adOPENROAD #ad - Durability trailer hitch lock set with durable black coating, longer service life, lock cylinder made of high-quality zinc alloy tube, improve wear resistance and rust resistance, higher security. Details of warrantyall trailer couple lock are provided with lifetime technical support and 2-year limited warranty.Trailer coupler ball lockratchet design is adjustable with 11 locking positions and fits 1-7/8”, 2”, and 2-5/16” couplers with 2 keys. Trailer hitch lock1/2" and 5/8" pin lock set with extra long 3-1/2" span is suitable for trailers, 2.
More information #ad
5" & 3" hitch receivers or class i, iv, III, trucks, II, 2", V hitches. If there is any problem during the purchase period, please contact us at any time, and we will guarantee to reply to you within 24 hours and solve it for you in the fastest time. Trailer coupler tongue lock. Trailer hitch coupler lock, dia 1/4 inch. This trailer coupler lock fits latch-type Couplers Up to 3/4 Inch Span for Tugboat RV Truck Car Coupling Lock. Kit includestrailer hitch lock kit includes 1 universal ball connector lock, 1 x black trailer hitch lock coupler locking pin, 1 x 1/2" and 1 x 5/8" receiver hitch pin lock, share the same key package 6 for security. Please check the lock size and get the proper hitch pin lock before placing your order.
Brand | OPENROAD #ad |
Manufacturer | OPENROAD #ad |
Part Number | THL-002 |
Model | THL-002 |
More information #ad
9. CURT
#ad
CURT 23505 Right-Angle Trailer Lock Set, 5/8-Inch Pin for 2-Inch Receiver, 1/4 x 3-Inch Coupler Span
#adCURT #ad - The coupler lock has a 1/4-inch pin and fits coupler latches with a 1-inch to 3-inch span. The internal components of the hitch lock and trailer coupler lock can be easily protected from the elements with the included watertight dust caps.With a 5/8-inch diameter pin, the receiver hitch lock fits virtually any 2-inch hitch receiver with a 5/8-inch hole. To protect your equipment from theft and give you peace of mind, the hitch lock and trailer coupler lock are made with high-strength steel construction.
More information #ad
Versatile. These right-angle hitch locks have a built-in swivel feature and simple 1/4-turn lock activation to allow the heads to twist toward you for easy, ergonomic access when locking or unlocking your trailer. This trailer lock set offers comprehensive security of your towing system. Ergonomic operation. Dependable strength. Watertight. It includes a trailer hitch lock for locking a ball mount or other receiver hitch accessory, as well as a coupler lock for securing your trailer coupler. Complete security.
Brand | CURT #ad |
Manufacturer | CURT #ad |
Height | 3 Inches |
Length | 9 Inches |
Weight | 1.2 Pounds |
Width | 6 Inches |
Part Number | 23505 |
Model | 23505 |
Warranty | Limited Lifetime |
More information #ad
10. Master Lock
#ad
Master Lock 2848DAT Key Alike Set with Receiver and Coupler Latch Locks, 2-Piece Set
#adMaster Lock #ad - Lock application: Best used for vehicles, trailers, and RV hitch locks. Ease of use: receiver lock features convenient Push to Lock locking mechanism: push lock body firmly onto the pin and remove key. Durable design: weather Tough seal and watertight cap provide protection from moisture and dirt.More information #ad
Specifications: usable length of receiver pin is 2-3/4 in. Stainless steel lock fits 1/2 in. Includes: one receiver lock, one stainless steel coupler latch lock, two keys; both keys open both locks. And 5/8 in. Receiver openings.Brand | Master Lock #ad |
Manufacturer | Master Lock #ad |
Height | 1.41 Inches |
Length | 8.56 Inches |
Weight | 1.12 Pounds |
Width | 4.88 Inches |
Part Number | 57-7546 |
Model | 2848DAT |
Warranty | Limited Manufacturer |
More information #ad