Looking for the best 5/8 inch trailer hitch locks to keep your trailer secure? We’ve compiled a list of 10 top-rated, tested, and user-approved locks to help you find the perfect fit for a worry-free driving experience.
Picking the right 5/8 inch trailer hitch lock can help keep your trailer safe from theft. Many drivers say one tough hitch lock gave them real peace of mind.
We have heard many real stories from users who now park their trailers with far less worry. With all this real feedback, you can feel sure this guide will help you find the perfect 5/8 inch hitch lock.
You want a tight fit that stays quiet on every trip. You can trust this clear list to show only strong and tested locks. Keep reading to see which 5/8 inch trailer hitch lock fits you best.
List of Top 10 5/8 Inch Trailer Hitch Locks
| Image | Title | Best For | Price |
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METOWARE Trailer Hitch Lock, 5/8″ Dia Hitch Pin, Fit 2″ Receiver, Black |
This METOWARE Trailer Hitch Lock is perfect for anyone who wants to keep their trailer safe and avoid theft. It’s great for those who tow often and want a durable, weatherproof lock that fits most hitches and stops rattling noise. |
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CZC AUTO Trailer Hitch Pin Lock 5/8″ for Class III IV 2″ 2-1/2″ Receiver |
This CZC AUTO Trailer Hitch Pin Lock is perfect for anyone towing with a Class III or IV hitch. It’s ideal for securing bike racks, cargo trays, or tow ropes on trucks, RVs, cars, or boats. |
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JUSTTOP Trailer Hitch Receiver Pin Lock,5/8″ Dia 3-1/2″ Long Pin Trailer Lock for Class III IV 2″ and 2-1/2″ Receiver,Tow Hitch Pin Lock with 4 Anti-Rattle Rubber O-Rings,for Trailer Truck Car Boat |
This trailer hitch lock is perfect for anyone who tows trailers, boats, or RVs. It’s easy to use and keeps your setup secure and rattle-free. |
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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 |
This Elsjoy Trailer Hitch Lock is perfect for anyone towing trailers, trucks, campers, boats, or RVs. It’s easy to use and keeps your gear safe from theft. |
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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 |
This TowWorks 79831 Trailer Hitch Lock is perfect for anyone who wants to secure their trailer with an extra-long, durable lock. It’s ideal for adjustable hitches and easy to use, offering double safety and no rattling. |
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Rhino USA 2.5” Trailer Hitch Pin – Patented 5/8″ Locking Receiver Pin for Class V Hitches – Weatherproof, Anti-Theft, Debris-Protected – Tow Truck Ready – Black 1PK |
This hitch pin is perfect for truck owners and RV drivers who need extra security for their trailers. It’s also great for anyone who tows often and wants a tough, weatherproof lock. |
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METOWARE Keyed Alike Trailer Lock Set, 5/8″ Hitch Lock & 1/4″ Coupler Lock |
This lock set is perfect for truck owners who want to keep their trailers safe. It’s also great for people who tow often and want just one key for both locks. |
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TowWorks 79631 Keyed Unique 5/8″ Trailer Hitch Lock with Extra Long 3-1/4″ Span, Double Safety Tow Hitch Receiver Locking Pin for Class III IV Hitches with 2″ and 2.5″ Receivers |
This TowWorks 79631 Trailer Hitch Lock is perfect for anyone towing trailers with Class III or IV hitches. It’s ideal for securing your trailer safely and easily. |
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CURT 23518 5/8″ Barbell Hitch Lock for 2″ Receivers, Black |
This CURT 23518 Barbell Hitch Lock is perfect for anyone who owns a trailer and wants to keep it safe from theft. It’s easy to use and fits most 2-inch hitch receivers, making it a great choice for everyday protection. |
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Master Lock Silver and Red Receiver Lock, Stainless Steel Barbell™ Hitch Pin Lock, Fits 5/8 in. Receivers, Weather Resistant Automotive Receiver Lock, 1469DAT |
This Master Lock Receiver Lock is perfect for truck owners who need a reliable and secure hitch pin lock. It’s ideal for heavy-duty towing and fits late model trucks with 2-inch or 2.5-inch hitches. |
Detailed Reviews
Finding the Best 5/8 Inch Trailer Hitch Locks is easy with our trusted guide. We’ve hand-picked the top options to help keep your trailer safe from theft. Keep reading to find the perfect lock for your needs.
1. METOWARE Trailer Hitch Lock, 5/8″ Dia Hitch Pin, Fit 2″ Receiver, Black

The METOWARE Trailer Hitch Lock helps keep your trailer and hitch safe from theft. It is made from high-strength steel for extra security. This means you can tow with less worry.
It fits most 2-inch hitch receivers with its 5/8-inch hitch pin. Just make sure your receiver is not double-walled before you buy.
The waterproof cover keeps out rain and dust to help the lock last longer. It comes with two strong copper keys and four rubber O-rings to stop rattling noise. These features make every tow quiet and secure.
| Pros | Cons |
|---|---|
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Perfect For:
This METOWARE Trailer Hitch Lock is perfect for anyone who wants to keep their trailer safe and avoid theft. It’s great for those who tow often and want a durable, weatherproof lock that fits most hitches and stops rattling noise.
Ready to Purchase?
2. CZC AUTO Trailer Hitch Pin Lock 5/8″ for Class III IV 2″ 2-1/2″ Receiver

The CZC AUTO Trailer Hitch Pin Lock fits 2″ and 2-1/2″ tow receivers. It works well for Class III and IV hitches.
It is made from strong carbon steel to prevent theft. The rubber key cap helps keep out dirt and rust.
You can use it to secure a bike rack or cargo tray. It comes with a 30-day money-back guarantee. You also get a 12-month warranty.
| Pros | Cons |
|---|---|
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Perfect For:
This CZC AUTO Trailer Hitch Pin Lock is perfect for anyone towing with a Class III or IV hitch. It’s ideal for securing bike racks, cargo trays, or tow ropes on trucks, RVs, cars, or boats.
Ready to Purchase?
3. JUSTTOP Trailer Hitch Receiver Pin Lock,5/8″ Dia 3-1/2″ Long Pin Trailer Lock for Class III IV 2″ and 2-1/2″ Receiver,Tow Hitch Pin Lock with 4 Anti-Rattle Rubber O-Rings,for Trailer Truck Car Boat

Keeps your trailer safe. The JUSTTOP Trailer Hitch Receiver Pin Lock is durable and easy to use. It fits most Class III IV hitches.
Strong and secure. Made with black electrophoretic-painted carbon steel, it resists theft and bending. The tamper-resistant tubular key system adds extra protection.
No more rattling. Four anti-rattle rubber O-rings absorb vibrations while towning. The package includes two keys and a 5/8″ locking pin for convenience.
| Pros | Cons |
|---|---|
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Perfect For:
This trailer hitch lock is perfect for anyone who tows trailers, boats, or RVs. It’s easy to use and keeps your setup secure and rattle-free.
Ready to Purchase?
4. 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

The Elsjoy Trailer Hitch Lock fits 3-inch receivers and works with 2.5″ and 2″ adapters. It has a 5/8″ diameter pin with a 4-1/2″ span for easy use. Check your hitch size before buying to ensure a perfect fit.
This lock offers premium security with a double-layered anti-drill cylinder and hardened steel. A dustproof rubber cap protects it from rust. O-rings stop rattling and keep the pin stable.
The keyed lock comes with 2 tubular keys and a push-lock design. No tools are needed—just insert, click, and go. It’s a universal solution to protect your trailer, truck, or RV.
| Pros | Cons |
|---|---|
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Perfect For:
This Elsjoy Trailer Hitch Lock is perfect for anyone towing trailers, trucks, campers, boats, or RVs. It’s easy to use and keeps your gear safe from theft.
Ready to Purchase?
5. 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

The TowWorks 79831 Trailer Hitch Lock is extra long and secure. It fits most adjustable hitches with its 4-1/2″ span and 5/8″ diameter. Always check your hitch size before buying for a perfect fit.
It includes a spring clip for extra safety. You can use it with or without the lock. Rubber O rings stop rattling and keep the pin steady.
Push lock design makes it easy to use. Comes with 2 unique keys. Watertight cap prevents rust.
| Pros | Cons |
|---|---|
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Perfect For:
This TowWorks 79831 Trailer Hitch Lock is perfect for anyone who wants to secure their trailer with an extra-long, durable lock. It’s ideal for adjustable hitches and easy to use, offering double safety and no rattling.
Ready to Purchase?
6. Rhino USA 2.5” Trailer Hitch Pin – Patented 5/8″ Locking Receiver Pin for Class V Hitches – Weatherproof, Anti-Theft, Debris-Protected – Tow Truck Ready – Black 1PK

The Rhino USA 2.5” Trailer Hitch Pin is built tough. It’s made from solid steel for maximum security. This anti-theft pin keeps your trailer safe.
It fits Class V hitches (2.5″ x 2.5″) perfectly. The patented slide cap blocks dirt and debris. This keeps the pin clean and long-lasting.
Rhino USA is family-owned and American-operated. They offer lifetime replacement for peace of mind. Join the Rhino USA family today!
| Pros | Cons |
|---|---|
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Perfect For:
This hitch pin is perfect for truck owners and RV drivers who need extra security for their trailers. It’s also great for anyone who tows often and wants a tough, weatherproof lock.
Ready to Purchase?
7. METOWARE Keyed Alike Trailer Lock Set, 5/8″ Hitch Lock & 1/4″ Coupler Lock

Secure your trailer with the METOWARE Keyed Alike Trailer Lock Set. It includes a 5/8″ hitch lock and a 1/4″ coupler lock, both using one key. The anti-scratch design protects your trailer’s finish.
The hitch lock fits Class III, IV, and V hitches and locks quickly without a key. Both locks are rust-proof and built to last in all weather.
| Pros | Cons |
|---|---|
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Perfect For:
This lock set is perfect for truck owners who want to keep their trailers safe. It’s also great for people who tow often and want just one key for both locks.
Ready to Purchase?
8. TowWorks 79631 Keyed Unique 5/8″ Trailer Hitch Lock with Extra Long 3-1/4″ Span, Double Safety Tow Hitch Receiver Locking Pin for Class III IV Hitches with 2″ and 2.5″ Receivers

The TowWorks 79631 Trailer Hitch Lock is a strong and secure solution for your towing needs. It fits Class III/IV hitches with 2″ and 2.5″ receivers, ensuring a perfect fit.
This lock features an extra-long 5/8″ pin with a 3-1/4″ span, made of hardened steel for maximum durability. It includes a spring clip for added safety and rubber O rings to prevent rattling.
Easy to use, with a push lock design and 2 unique keys. Watertight cap protects against corrosion. Each lock is keyed unique for individual security.
| Pros | Cons |
|---|---|
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Perfect For:
This TowWorks 79631 Trailer Hitch Lock is perfect for anyone towing trailers with Class III or IV hitches. It’s ideal for securing your trailer safely and easily.
Ready to Purchase?
9. CURT 23518 5/8″ Barbell Hitch Lock for 2″ Receivers, Black

The CURT 23518 barbell hitch lock keeps your trailer safe. It is made from strong steel. This helps to stop theft.
This hitch lock fits most 2-inch receivers. It has a watertight cap to block rain and dirt. Its rust-proof finish keeps it looking new.
You get two keys for extra peace of mind. This lock is built to last for years.
| Pros | Cons |
|---|---|
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Perfect For:
This CURT 23518 Barbell Hitch Lock is perfect for anyone who owns a trailer and wants to keep it safe from theft. It’s easy to use and fits most 2-inch hitch receivers, making it a great choice for everyday protection.
Ready to Purchase?
10. Master Lock Silver and Red Receiver Lock, Stainless Steel Barbell™ Hitch Pin Lock, Fits 5/8 in. Receivers, Weather Resistant Automotive Receiver Lock, 1469DAT

The Master Lock Silver and Red Receiver Lock is a sturdy and reliable solution for securing your trailer hitch. It features a 5/8″ diameter locking pin with a 3-1/2″ long shaft, designed for maximum security. This lock is easy to use and built to last.
Its stainless steel construction resists corrosion, making it ideal for outdoor use. The swivel head design allows for easy access, even in tight spaces.
This weather-resistant lock is perfect for late-model trucks with heavy-duty tow packages. It fits 2″ and 2-1/2″ hitches and provides peace of mind while towing. With its push-to-lock security, you can trust this lock to keep your trailer safe.
| Pros | Cons |
|---|---|
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Perfect For:
This Master Lock Receiver Lock is perfect for truck owners who need a reliable and secure hitch pin lock. It’s ideal for heavy-duty towing and fits late model trucks with 2-inch or 2.5-inch hitches.
Ready to Purchase?
Buying Guide
Keep your trailer safe with the best 5/8 inch trailer hitch lock. Many drivers feel peace of mind with a strong hitch lock. This guide helps you find the perfect fit.
Real Stories, Real Security
Drivers share how a tough hitch lock keeps their trailers safe. With less worry, they park with confidence. This guide uses their feedback to help you choose.
Factors to Consider When Buying:
– Fit: Ensure the lock fits your hitch receiver size (2″, 2.5″, or 3″). Check for a tight, rattle-free fit.
– Material: Look for high-strength steel or carbon steel for durability and theft protection.
– Weather Resistance: Choose locks with waterproof or rust-proof features to handle rain and dust.
– Anti-Rattle: Rubber O-rings keep the lock quiet and stable during towing.
– Keys: Opt for tamper-resistant keys and extra keys for convenience.
– Ease of Use: Push-lock designs and tool-free installation make securing your trailer quick and simple.
– Warranty: Look for money-back guarantees or warranties for added confidence.