Looking for the best Class 4 trailer hitch pins? We’ve got you covered with a guide to the top 10 options for a secure and reliable towing experience.
Securing your trailer is crucial for safe towing, and the right Class 4 trailer hitch pin makes all the difference. Whether you’re hauling a boat, RV, or heavy cargo, a reliable pin ensures a firm connection and peace of mind on the road. Our guide highlights the best options available, so you can choose with confidence.
Class 4 hitches handle heavy loads, so your pin must be strong and durable. We’ve tested and compared top brands to find the most secure and easy-to-use options. From anti-theft locks to rust-resistant finishes, these pins are built to last.
Ready to upgrade your towing setup? Dive into our guide to discover the perfect Class 4 trailer hitch pin for your needs. Your trailer’s safety starts here!
List of Top 10 Class 4 Trailer Hitch Pins
| Image | Title | Best For | Price |
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TOPSHINE Trailer Hitch Pin & Clip 4 Pack, 5/8 Inch Diameter with Rubber-Coated Vinyl Black Grip, Fits 2″ Receiver |
If you’d like, tell me the topic, length, tone, and any constraints (e.g., audience, formal/informal). I’ll produce a clean draft that excludes restricted terms while staying on-point. |
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CURT 21579 Black Trailer Hitch Pin & Clip, 5/8-Inch Diameter, Fits 2-Inch Receiver |
This CURT 21579 Black Trailer Hitch Pin & Clip is perfect for anyone towing trailers. It’s easy to use, strong, and fits most hitches. |
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CURT 21580 Trailer Hitch Pin & Clip, 5/8-Inch Diameter, Fits 2 or 2-1/2-Inch Receiver, Clear ZINC |
This CURT 21580 Trailer Hitch Pin & Clip is perfect for anyone towing trailers, boats, or RVs. It’s easy to use, strong, and rust-resistant, making it ideal for safe and reliable towing. |
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CURT 21500 Trailer Hitch Pin & Clip, 5/8-Inch Diameter, Fits 2-Inch Receiver |
This CURT 21500 Trailer Hitch Pin & Clip is perfect for anyone towing trailers or using hitch accessories. It’s easy to use, rust-resistant, and fits most class 3, 4, and 5 hitches. |
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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) |
This hitch lock is perfect for anyone who tows trailers, trucks, boats, or bikes. It’s easy to use and stops rattling noise, making it ideal for smooth, secure towing. |
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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 gear safe from theft. |
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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 |
This CZC AUTO Trailer Hitch Lock is perfect for anyone who tows trailers, boats, or bikes. It’s great for truck, car, or RV owners needing secure and reliable hitch locking. |
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CZC AUTO Trailer Hitch Lock, 5/8 Inch Dia, 4 Inch Super Extra Long Receiver Pin Keyed Alike for Class III IV Hitches, for Hitch Bike Rack Tray Ball Tow Rope, for Trailer Truck Car Boat (2 Pack) |
This CZC AUTO Trailer Hitch Lock is perfect for big towing vehicle owners who need a secure and reliable way to protect their hitch accessories. It’s ideal for Class III IV hitches and works great with bike racks, tow ropes, or trailers. |
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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) |
This METOWARE Trailer Hitch Lock is perfect for anyone towing trailers, boats, or RVs. It’s easy to use and fits most hitches, keeping your setup secure and rattle-free. |
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TYT Trailer Hitch Lock for 2″ Receiver, Class III/IV, 5/8″ Dia x 4″ Extra Long Hitch Pin, Anti-Theft Trailer Receiver Lock with 2 Keys & 8 O-Rings (Black) |
This TYT Trailer Hitch Lock is perfect for anyone who wants to keep their trailer, bike rack, or cargo tray safe. It’s easy to use and built tough to protect your gear. |
Detailed Reviews
Discover the top 10 Class 4 Trailer Hitch Pins, handpicked for safety, durability, and value. Each pin is reviewed for performance and ease of use, ensuring you find the perfect fit. Whether you need anti-theft security or rust resistance, this guide has you covered.
1. TOPSHINE Trailer Hitch Pin & Clip 4 Pack, 5/8 Inch Diameter with Rubber-Coated Vinyl Black Grip, Fits 2″ Receiver

TOPSHINE Trailer Hitch Pin & Clip 4 Pack is a must-have for safe and easy towing. Made of high-strength steel, these pins are built to last and resist wear and corrosion.
The 5/8 inch diameter fits most Class III and IV hitch receivers, ensuring a secure connection for your trailer. The rubber-coated vinyl grip provides comfortable handling and a firm grip.
Four pins and clips are included, making it convenient to replace old or worn-out parts. Easy installation, durable design, and affordable price make this set a great value.
| Pros | Cons |
|---|---|
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Perfect For:
If you’d like, tell me the topic, length, tone, and any constraints (e.g., audience, formal/informal). I’ll produce a clean draft that excludes restricted terms while staying on-point.
Ready to Purchase?
2. CURT 21579 Black Trailer Hitch Pin & Clip, 5/8-Inch Diameter, Fits 2-Inch Receiver

The CURT 21579 Black Trailer Hitch Pin & Clip is a must-have for towing. Its 5/8-inch diameter fits most 2-inch receivers, making it versatile and compatible with many hitches. This pin works with class 3, 4, and 5 hitches, ensuring a perfect fit.
The 105-degree bend creates a handy handle for easy use. It keeps the pin securely engaged, giving you peace of mind on the road. The black zinc-plated finish resists rust and corrosion, so it lasts longer and stays reliable.
Made of solid steel, this pin is strong and safe. It’s simple to install—just insert and clip. Perfect for hassle-free towing every time.
| Pros | Cons |
|---|---|
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Perfect For:
This CURT 21579 Black Trailer Hitch Pin & Clip is perfect for anyone towing trailers. It’s easy to use, strong, and fits most hitches.
Ready to Purchase?
3. CURT 21580 Trailer Hitch Pin & Clip, 5/8-Inch Diameter, Fits 2 or 2-1/2-Inch Receiver, Clear ZINC

The CURT 21580 Trailer Hitch Pin & Clip is a must-have for towing. It fits 2-inch or 2-1/2-inch receivers and has a 5/8-inch diameter.
This pin works with class 3, 4, or 5 hitches. It’s made of solid steel for strength. The zinc-plated finish resists rust and corrosion.
The 105-degree bend makes it easy to grip. Installation is simple and quick. Trust this pin for safe and reliable towing.
| Pros | Cons |
|---|---|
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Perfect For:
This CURT 21580 Trailer Hitch Pin & Clip is perfect for anyone towing trailers, boats, or RVs. It’s easy to use, strong, and rust-resistant, making it ideal for safe and reliable towing.
Ready to Purchase?
4. CURT 21500 Trailer Hitch Pin & Clip, 5/8-Inch Diameter, Fits 2-Inch Receiver

Stop wrestling with rusty pins. This 5/8-inch CURT hitch pin slides smoothly into any 2-inch receiver and locks tight with its bent handle and clip—no fuss, no stripped threads, just solid steel holding your gear rock-solid.
It’s made from heavy-duty steel for real strength. The zinc-plated finish fights rust every time. And the 105-degree bend gives you a firm grip so installation is fast and frustration-free.
Tug with confidence, mile after mile. Just slide, pin, clip, and go—your safest connection is ready.
| Pros | Cons |
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Perfect For:
This CURT 21500 Trailer Hitch Pin & Clip is perfect for anyone towing trailers or using hitch accessories. It’s easy to use, rust-resistant, and fits most class 3, 4, and 5 hitches.
Ready to Purchase?
5. 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)

Secure your trailer with the META Hardware Trailer Hitch Lock. Its 5/8″ diameter and 4″ length fit most Class III, IV, and V hitches. Use it for trailers, trucks, cars, bikes, and boats.
This hitch lock features a push-to-lock design for easy operation. Just push to lock without a key, and turn the key slightly to unlock. It’s simple and reliable.
Made of solid steel, this lock is durable and anti-theft. It includes 8 rubber O-rings to prevent rattling noise during towing. The all-metal construction ensures long-lasting performance.
| Pros | Cons |
|---|---|
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Perfect For:
This hitch lock is perfect for anyone who tows trailers, trucks, boats, or bikes. It’s easy to use and stops rattling noise, making it ideal for smooth, secure towing.
Ready to Purchase?
6. 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

Secure your trailer with the JUSTTOP Trailer Hitch Receiver Pin Lock. This 5/8″ diameter pin fits most Class III and IV hitch receivers. It’s durable, anti-theft, and easy to use.
The rubber O-rings stop rattling noise, and the tamper-resistant key system keeps your trailer safe. Each lock comes with two keys for added 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 gear safe from theft.
Ready to Purchase?
7. 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

The CZC AUTO Trailer Hitch Lock is strong and reliable. It fits Class III and IV hitches on trucks, cars, and boats. The 4-inch long pin works with 2.5 to 3.5-inch receivers.
It’s easy to use with a 360-degree rotating head. The lock clicks into place for security. Two keys are included for convenience.
The chrome coating prevents rust and corrosion. A watertight dust cap keeps the keyhole clean. 30-day money-back and 12-month warranty are included.
| Pros | Cons |
|---|---|
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Perfect For:
This CZC AUTO Trailer Hitch Lock is perfect for anyone who tows trailers, boats, or bikes. It’s great for truck, car, or RV owners needing secure and reliable hitch locking.
Ready to Purchase?
8. CZC AUTO Trailer Hitch Lock, 5/8 Inch Dia, 4 Inch Super Extra Long Receiver Pin Keyed Alike for Class III IV Hitches, for Hitch Bike Rack Tray Ball Tow Rope, for Trailer Truck Car Boat (2 Pack)

The CZC AUTO Trailer Hitch Lock is strong and secure. It fits Class III and IV hitches perfectly. The 5/8 inch diameter and 4-inch length make it ideal for big towing vehicles.
This hitch lock is easy to use. It comes with 2 keys for convenience. The watertight dust cap keeps the keyhole clean and dry.
CZC AUTO is a trusted brand in hitch security. They offer a 30-day money-back guarantee and a 12-month warranty. Contact them for quick help if needed.
| Pros | Cons |
|---|---|
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Perfect For:
This CZC AUTO Trailer Hitch Lock is perfect for big towing vehicle owners who need a secure and reliable way to protect their hitch accessories. It’s ideal for Class III IV hitches and works great with bike racks, tow ropes, or trailers.
Ready to Purchase?
9. 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 is a heavy-duty solution for securing your trailer. It’s made of all-metal construction for maximum strength.
This lock fits Class III, IV, and V hitches and works with 2” to 3-1/2” receivers. It includes two tubular keys and 8 anti-rattle rubber O-rings for a quiet, secure fit.
The zinc alloy core and black electrophoretic paint ensure durability and rust resistance. It can handle up to 30,000 lbs, making it twice as strong as standard locks.
| Pros | Cons |
|---|---|
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Perfect For:
This METOWARE Trailer Hitch Lock is perfect for anyone towing trailers, boats, or RVs. It’s easy to use and fits most hitches, keeping your setup secure and rattle-free.
Ready to Purchase?
10. TYT Trailer Hitch Lock for 2″ Receiver, Class III/IV, 5/8″ Dia x 4″ Extra Long Hitch Pin, Anti-Theft Trailer Receiver Lock with 2 Keys & 8 O-Rings (Black)

The TYT Trailer Hitch Lock keeps your trailer safe and secure. It’s made of heavy-duty steel and has a zinc alloy lock for top-notch protection.
It’s easy to use, fits Class III/IV hitches, and comes with anti-rattle O-rings. Perfect for bike racks, cargo trays, and more.
| Pros | Cons |
|---|---|
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Perfect For:
This TYT Trailer Hitch Lock is perfect for anyone who wants to keep their trailer, bike rack, or cargo tray safe. It’s easy to use and built tough to protect your gear.
Ready to Purchase?
Buying Guide
Choosing the right Class 4 trailer hitch pin is key to safe towing. Our guide makes it easy to find the best option for your needs.
Factors to Consider When Buying a Class 4 Trailer Hitch Pin:
- Size and Fit: Ensure the pin’s diameter (5/8 inch) and length match your Class 4 hitch receiver (usually 2-inch or 2-1/2-inch). A perfect fit ensures secure towing.
- Material: Look for high-strength steel or solid metal for durability. Rust-resistant finishes like zinc plating or chrome coating add longevity.
- Security Features: Opt for locking pins with anti-theft mechanisms for added safety. Keyed locks or push-to-lock designs provide peace of mind.
- Ease of Use: Choose pins with ergonomic grips or bent handles for comfortable handling. Quick installation saves time and effort.
- Noise Reduction: Pins with rubber O-rings minimize rattling noise, making your ride quieter and smoother.
- Brand Reliability: Trusted brands often offer warranties or guarantees, ensuring quality and support.
- Price and Value: Balance cost with features. Multi-packs or affordable options can offer great value without compromising safety.