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Top 9June 2025

Best Trailer Hitch Lock Pin 1/2 Inch By 4 1/2 Inch Extra Long

We made a list of the top 9 Trailer Hitch Lock Pin 1/2 Inch By 4 1/2 Inch Extra Long based on verified reviews, popularity and other factors which we summarized for you in this list.

Best Choice

TowWorks 79830 Keyed Alike 5/8" Trailer Hitch Lock with Extra Long 4-1/2" Span, Double Safety Tow Hitch Locking Pin for 3" Receivers and Adjustable Channel Mounts

TowWorks 79830 Keyed Alike 5/8" Trailer Hitch Lock with Extra Long 4-1/2" Span, Double Safety Tow Hitch Locking Pin for 3" Receivers and Adjustable Channel Mounts

✓EXTRA LONG PIN FITS MOST ADJUSTABLE HITCHES - Extra long 5/8" diameter locking hitch pin with maximum active length 4-1/2", fits most adjustable hitches, such as fit for CURT channel style adjustable hitches 45900, 45901, 45902 and adjustable pintle hooks 45907, 45908. * This lock DOES NOT fit for FASTWAY adjustable hitches. * Before purchase, please verify all dimensions of your hitch, to get a great fit of the hitch lock pin
✓SPRING CLIP (COTTER PIN) PROVIDES ADDITIONAL SAFETY - A separate spring clip (cotter pin) provides additional safety, can use the locking pin with or without the lock mechanism. * Caution: R spring clip (cotter pin) MUST be inserted into pin hole when use this lock
✓RUBBER O RINGS KEEP RATTLES DOWN - Rubber O rings prevent any rattling and hold the hitch pin still. * Different brand hitches may have a little different hitch tube size, please adjust O ring quantity or remove O ring to fit the receivers
✓PUSH LOCK DESIGN WITH 2 KEYED ALIKE KEYS - 2 Tubular keys making it easier to lock and unlock, 1/4 turn lock and push lock design, easy to operate, watertight dust rubber cap prevents locking mechanism internal corrosion
✓EACH LOCK KEYED ALIKE: This item 79830 each piece keyed alike, please choose the quantity you need and all the locks will be keyed alike. * Remark: If you need 2 locks keyed alike, please choose 79832; if you need 3 locks keyed alike, please choose 79833; if you need 4 or more than 4 locks keyed alike, please combine 79832 & 79833, and give the quantity

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TOPSHINE Trailer Hitch Lock Stainless Steel, 5/8" Dia 4" Long Receiver Pin Lock with Rubber O-Rings and Clip (1 Pack)

TOPSHINE Trailer Hitch Lock Stainless Steel, 5/8" Dia 4" Long Receiver Pin Lock with Rubber O-Rings and Clip (1 Pack)

✓UNIVERSAL COMPATIBILITY: Our hitch lock is 5/8" dia and with 4" effective length. With safety r-clip and o-rings, can be adjusted to fit most standard size trailer hitch and Class III/IV hitch receiver. Be sure to check the size you need. Protect your trailer and hitch ball mount from theft
✓PREMIUM MATERIAL: The hitch pin lock is made of stainless steel and its head is zinc chrome plating so that it can be anti-corrosion and anti rust. Can be used for longer period of time
✓EASY TO LOCK AND UNLOCK: With push-to-lock design, you can lock the locking hitch pin without keys. More convenience to use
✓ANTI-RATTLE RUBBER O-RINGS INCLUDED: It comes with 6 rubber o-rings help to keep your trailer hitch secure
✓WITH THICK PROTECTIVE CAP: The trailer hitch pin is with rubber protective cap to keep dirt and water out of the key hole, tight fit

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TowWorks 79831 Keyed Unique 5/8" Trailer Hitch Lock with Extra Long 4-1/2" Span, Double Safety Tow Hitch Locking Pin for 3" Receivers and Adjustable Channel Mounts

TowWorks 79831 Keyed Unique 5/8" Trailer Hitch Lock with Extra Long 4-1/2" Span, Double Safety Tow Hitch Locking Pin for 3" Receivers and Adjustable Channel Mounts

✓EXTRA LONG PIN FITS MOST ADJUSTABLE HITCHES - Extra long 5/8" diameter locking hitch pin with maximum active length 4-1/2", fits most adjustable hitches, such as fit for CURT channel style adjustable hitches 45900, 45901, 45902 and adjustable pintle hooks 45907, 45908. * This lock DOES NOT fit for FASTWAY adjustable hitches. * Before purchase, please verify all dimensions of your hitch, to get a great fit of the hitch lock pin
✓SPRING CLIP (COTTER PIN) PROVIDES ADDITIONAL SAFETY - A separate spring clip (cotter pin) provides additional safety, can use the locking pin with or without the lock mechanism. * Caution: R spring clip (cotter pin) MUST be inserted into pin hole when use this lock
✓RUBBER O RINGS KEEP RATTLES DOWN - Rubber O rings prevent any rattling and hold the hitch pin still. * Different brand hitches may have a little different hitch tube size, please adjust O ring quantity or remove O ring to fit the receivers
✓PUSH LOCK DESIGN WITH 2 KEYS - 2 tubular keys making it easier to lock and unlock, 1/4 turn lock and push lock design, easy to operate, watertight dust rubber cap prevents locking mechanism internal corrosion
✓EACH LOCK KEYED UNIQUE: This item 79831 each lock keyed unique, NOT keyed alike. * Remark: If you need 2 or more than 2 locks keyed alike, please choose 79830 and give the quantity

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Elsjoy 5/8" Trailer Hitch Lock with Extra Long 4-1/2" Span, Locking Hitch Pin for 3 Inch Receiver with Anti-Rattle O-Rings for Trailer, Truck, Car

Elsjoy 5/8" Trailer Hitch Lock with Extra Long 4-1/2" Span, Locking Hitch Pin for 3 Inch Receiver with Anti-Rattle O-Rings for Trailer, Truck, Car

✓Elsjoy extra long trailer hitch lock comes with a 5/8" diameter locking hitch pin with maximum active length 4-1/2", effortlessly slides into 3" receivers (and works with 2.5"/2" adapters!). Before purchase, please verify the dimensions of your hitch, to ensure a proper fit for the hitch lock pin.
✓𝐏𝐫𝐞𝐦𝐢𝐮𝐦 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲: The 5/8" hitch lock features a double-layered anti-drill, anti-pick cylinder and reinforced hardened steel construction, designed to resist cutting tools. A dustproof rubber cap protects the locking mechanism from corrosion.
✓𝐒𝐩𝐫𝐢𝐧𝐠 𝐂𝐥𝐢𝐩 & 𝐑𝐮𝐛𝐛𝐞𝐫 𝐑𝐢𝐧𝐠𝐬: 𝐏𝐥𝐞𝐚𝐬𝐞 𝐧𝐨𝐭𝐞 𝐭𝐡𝐚𝐭 𝐭𝐡𝐞 𝐑 𝐬𝐩𝐫𝐢𝐧𝐠 𝐜𝐥𝐢𝐩 (𝐜𝐨𝐭𝐭𝐞𝐫 𝐩𝐢𝐧) 𝐬𝐡𝐨𝐮𝐥𝐝 𝐛𝐞 𝐢𝐧𝐬𝐞𝐫𝐭𝐞𝐝 𝐢𝐧𝐭𝐨 𝐭𝐡𝐞 𝐩𝐢𝐧 𝐡𝐨𝐥𝐞 𝐭𝐨 𝐩𝐫𝐨𝐯𝐢𝐝𝐞 𝐚𝐝𝐝𝐢𝐭𝐢𝐨𝐧𝐚𝐥 𝐬𝐚𝐟𝐞𝐭𝐲. O rings prevent rattling and keep the hitch pin stable.
✓𝐊𝐞𝐲𝐞𝐝 𝐋𝐨𝐜𝐤: The key set comes with 2 tubular keys in case of loss. It has a push-lock design that is easy to operate. Each lock is keyed unique, not keyed alike, to ensure security.
✓𝐔𝐧𝐢𝐯𝐞𝐫𝐬𝐚𝐥 𝐅𝐢𝐭: No tools are required. Simply insert the hitch pin, click the lock, and you're ready to go. Protect your trucks, campers, trailers, boats, RV, etc. From theft. A universal solution to hassle-free towing!

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CZC AUTO Trailer Hitch Lock 5/8" Dia, Locking Hitch Pin 4" Super Extra Long Chrome Coated Hitch Pin with Keys for Class III IV to Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat

CZC AUTO Trailer Hitch Lock 5/8" Dia, Locking Hitch Pin 4" Super Extra Long Chrome Coated Hitch Pin with Keys for Class III IV to Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat

✓WIDELY APPLICABLE: 5/8" diameter tow hitch lock is with super long effective 4'' length pin. Our trailer hitch pin fits 2.5, 3, 3.5 inch hitch receiver or Class III IV hitches on big Towing Trailer Boat RV Truck Car and Tractors. Please verify dimension and length of the pin before purchasing our trailer lock with keys
✓EASY TO USE: CZC AUTO dogbone style hitch locking pin has a 360 degree rotating head, easy to handle. After hearing "click", please pull the lock head again to make sure that it is locked. When you turn key to open the lock, the pin will pop up automatically. Convenient to use
✓DEPENDABLE SECURITY: CZC AUTO hitch pin lock is made of carbon steel, solid and hard to bend. And our hitch receiver lock is coated with chrome electrophoretic paint to prevent corrosion, which can effectively extend the life of the tow hitch locking pin. Compatible with hitch rack, cargo hitch tray, bike rack, hitch ball and tow rope
✓2 KEYS INCLUDED: For convenience, our hitch lock comes with two keys. You can put the spare key in a separate location for emergencies. Watertight dust cap keeps the keyhole away from moisture, dust and rust
✓WARRANTY: We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. PLEASE NOTE: Any problem in using CZC AUTO products, simply contact us, your problem will be solved within 24 HOURS

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6% Discount

META Hardware Trailer Hitch Locks, Hitch Lock with 5/8'' Dia 4” Long Pin Fits Class III IV V 2" 2-1/2", 3" & 3-1/2" Hitches, Locking Hitch Pin with Anti-Rattle O-Rings for Trailer Truck Boat (1 Pack)

META Hardware Trailer Hitch Locks, Hitch Lock with 5/8'' Dia 4” Long Pin Fits Class III IV V 2" 2-1/2", 3" & 3-1/2" Hitches, Locking Hitch Pin with Anti-Rattle O-Rings for Trailer Truck Boat (1 Pack)

✓【UNIVERSAL COMPATIBILITY】- 5/8" diameter with 4” long trailer hitch locks fits most class III IV V 2" 2-1/2", 3" & 3-1/2" hitch receivers. The hitch lock also can be used for tray tow rope of trailer, truck, car, bike and boat.
✓【PUSH-TO-LOCK DESIGN】- Solid hitch lock is designed for easy operation. With the push-to-lock design, you can easily push to lock it without using key. Just turn the key a little bit and the locking hitch pin will pop out by itself.
✓【DURABLE ANTI-THEFT HITCH LOCK】- The hitch lock feature high quality solid steel with black electrophoretic paint, which is quite sturdy and can carry up to 30,000 lbs, twice as much as that of common pin locks. The core of the hitch pin lock is made of premium zinc alloy tubular, durable and reliable. Solid locking hitch pin with anti-theft design can resist different types of external forces.
✓【PACKAGE INCLUDES】- It’s a newly upgraded hitch lock with all metal construction. This trailer hitch lock comes with 2 x keys, 8 x Rubber O-Rings, 1 x 5/8" lock pin and 1 x Upgrade button lock head.
✓【PREVENT RATTLING NOISE】- When you are using a trailer hitch, you might run into some issues like rattling and noise. Our trailer hitch lock is equipped with 8 rubber O-rings, which can effectively prevent rattling noise caused by shaking during towing.

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METOWARE Trailer Hitch Lock Hitch Receiver Pin Lock Fits Class III IV V and 2”- 3-1/2" Receiver with 5/8" Dia 4” Lock Pin and 8 Anti-Rattle Rubber O-Rings Receiver Hitch Lock (1 Pack)

METOWARE Trailer Hitch Lock Hitch Receiver Pin Lock Fits Class III IV V and 2”- 3-1/2" Receiver with 5/8" Dia 4” Lock Pin and 8 Anti-Rattle Rubber O-Rings Receiver Hitch Lock (1 Pack)

✓HEAVY DUTY TRAILER HITCH PIN LOCK – It’s a newly upgraded trailer hitch pin lock with all metal construction. Two tubular keys are included to ensure easy fit and detach.
✓UNIVERSAL COMPATIBILITY - The Trailer Hitch Pin Lock is designed with a diameter 5/8" and a length of 4”. It is compatible with class III IV V hitches, 2", 2-1/2", 3", 3-1/2" hitch receiver, big towing truck and car (Please make sure of the size of the lock or email us for more information before placing an order).
✓SAFE & EASY TO USE - The core of the lock is made of premium zinc alloy tubular. Its anti-theft design can withstand significant blogs from different kinds of external force. Additionally, the lock includes a rubber cap and 8 rubber O-rings, which effectively keeps the keyhole away from dirt, dust, water and prevents any rattling noises.
✓PRODUCT OF REMARKABLE WORKMANSHIP - The lock features high quality solid steel with black electrophoretic paint. It is quite sturdy and can carry up to 30,000 lbs, twice as much as that of common pin locks. It is durable, and reliable.
✓PREMIUM SERVICE - Your satisfaction is our main priority. We will try our best to serve all our customers better. If there are any problems with using it, please contact us.

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CZC AUTO Trailer Hitch Lock, 5/8 Inch Dia, 4 Inch Super Extra Long Receiver Pin for Class III IV Hitches, for Hitch Bike Rack Tray Ball Tow Rope, for Trailer Truck Car Boat (1 Pack)

CZC AUTO Trailer Hitch Lock, 5/8 Inch Dia, 4 Inch Super Extra Long Receiver Pin for Class III IV Hitches, for Hitch Bike Rack Tray Ball Tow Rope, for Trailer Truck Car Boat (1 Pack)

✓CZC AUTO Trailer Hitch Lock Design: 5/8 Inch diameter trailer hitch lock pin with Super Extra Long Effective Length 4 Inch. Specially for big towing vehicle, truck, 2-1/2 3 3-1/2 hitch receiver or Class III IV hitches. Please verify dimensions and length of the pin you want before purchasing our receiver hitch lock pin.
✓EASY OPERATE DESIGN: CZC AUTO hitch lock can be easily locked and unlocked with key. For convenience, our lock comes with 2 keys each set. And after locked, you just need to pull the lock head to ensure it is working
✓Security Of Our Hitch Receiver Lock: This towing hitch lock is made of black electrophoretic painted solid steel. Our upgraded Zinc alloy tubular lock core adopts more advanced anti-theft technology to improve safety. And watertight dust cap can protect the keyhole from water and dirt.
✓Locking Hitch Pin's Application For : Class III IV Hitches, Hitch Bike Rack Tray Ball Tow Rope for Trailer Truck Car Boat
✓CZC AUTO - We offer 30-day money-back for any reason, 12-month warranty for quality-related issues. If you have any question after receiving or using our tow hitch lock, please contact us, your problem will be solved within 24 HOURS

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TYT Trailer Hitch Lock – 5/8" Dia, 4" Extra Long Receiver Pin for Class III/IV Hitches, 2 Keys, 8 O-Rings, Keyed Alike, Ideal for Tow Trucks, Bikes, Cars & Boats (Black)

TYT Trailer Hitch Lock – 5/8" Dia, 4" Extra Long Receiver Pin for Class III/IV Hitches, 2 Keys, 8 O-Rings, Keyed Alike, Ideal for Tow Trucks, Bikes, Cars & Boats (Black)

✓Advanced Anti-Theft Security: Featuring a zinc alloy lock cylinder, round key design, and an upgraded plum blossom keyhole for enhanced trailer protection
✓Easy, Keyless Locking: Push-lock design allows quick locking without a key, with a 1/4-turn key system for effortless unlocking
✓Built to Last: Constructed from heavy-duty 45-gauge steel, with black e-coating and a waterproof rubber cover for long-lasting durability
✓Anti-Rattle O-Rings: 8 rubber O-rings prevent rattling and keep the hitch pin secure. Adjustable for a perfect fit based on receiver tube size
✓Wide Compatibility: Works with hitch racks, bike racks, cargo trays, hitch balls, and tow ropes. The 5/8" pin fits Class III/IV hitch receiver tubes

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