Best Trailer Coupler Parts of 2026

The PINAILER Trailer Hitch Pins are designed to provide a reliable and easy-to-use solution for securing your trailer coupler. Each pin measures 2.75 inches long and 1/4 inch thick, making them the perfect size for standard trailer applications. Their simple square shape ensures quick installation and removal without the pins bending or breaking, saving you time and hassle. Made from high-quality carbon steel with zinc plating, these pins resist rust and corrosion, so you can trust them to last through all weather conditions. The semi-flexible locking shaft design adds versatility, allowing you to use these pins for various locking needs on your farm trailers, lawn equipment, and more.

The MAXXHAUL Hitch Extender gives you an extra 7 inches of reach for your trailer hitch, making it easier to maneuver and providing more clearance when towing. Its 2-inch receiver tube fits a wide range of hitch accessories, so you can use it with many different towing setups. With the included 5/8-inch hitch pin and clips, you can securely attach the extender to your hitch, ensuring safe and stable towing. Made from durable, high-quality materials, this extender is designed to handle heavy use and last a long time, giving you confidence on every trip.

The CURT 25194 Posi-Lock Coupler Replacement Latch is designed to replace the coupler latch in CURT posi-lock couplers for 2-inch trailer balls. The latch fits couplers with 2-inch, 2-1/2-inch or 3-inch channel widths and features a spring and nut posi-lock mechanism that allows for easy adjustment. The latch also includes holes to accept a safety pin or coupler lock. Made from high-strength steel, it is protected by a durable zinc-plated finish, ensuring long-lasting use.

The METOWARE 2" Trailer Coupler offers a user-friendly adjustable design, allowing you to easily fine-tune the fit on your trailer ball for a secure connection. It is built to work with 2-inch-wide trailer tongues and 2-inch trailer balls, handling up to 3,500 pounds, making it ideal for many towing needs. The coupler features a galvanized finish that protects against rust and corrosion, so it holds up well even in wet or dirty conditions. For safety, its latching mechanism supports using a pin or lock, giving you extra peace of mind while on the road.

The CURT 25080 Trailer Coupler Pin is a versatile and secure solution for keeping your trailer coupler latch engaged with the trailer ball. Made of solid steel, it offers ample strength while the retainer clip ensures it won't vibrate or rattle free. The square retainer clip is semi-flexible for easy operation, and the durable zinc-plated finish provides excellent resistance to rust and corrosion. With a 1/4-inch diameter and 2-3/4-inch length, it is highly versatile and can be used for a wide variety of trailer couplers, trailer jack wheels, pintle hooks, and more.

Upgrade your air tool fittings with Flexzilla Pro High Flow Coupler & Plug Kit. With twice the flow compared to standard interchanges, this kit features a Push-To-Connect System and can withstand a maximum pressure of 300 PSI. The 1/4" Body and ZillaGreen/Nickel color make it easy to identify. Perfect for those who need a high flow rate from their air tools.

The BougeRV Hitch Adapter is designed to help you easily connect accessories that require a 1.25-inch receiver to your vehicle’s 2-inch hitch. Before buying, you should check that your vehicle’s hitch receiver and pin size match the adapter’s requirements for a perfect fit. It only works with a 1/2-inch hitch pin, so make sure your pin matches this size to avoid compatibility issues. Made from durable aluminum with a black frosted finish, this adapter resists rust and corrosion, ensuring long-lasting use. Plus, the precise CNC cutting guarantees a secure and reliable fit for your bike rack or cargo carrier.

The CURT 25010 Trailer Coupler Pin is a versatile and secure pin that fits a wide variety of trailer couplers, pintle hook, trailer jack wheel, and more. It provides reliable and easy-to-use solution for keeping your trailer coupler latch engaged with the trailer ball. The spring-steel square retainer clip ensures the pin will not vibrate or rattle free while the durable zinc-plated finish provides excellent resistance to rust and corrosion for longevity. Made out of solid steel, this trailer coupler pin offers high-strength and safety on the road.

The CURT 25012 Trailer Coupler Pin with 12-Inch Chain is a versatile, secure, and convenient solution for keeping your trailer coupler latch engaged with the trailer ball. It has a 1/4-inch diameter and 2-3/4-inch length, making it highly versatile to fit a wide variety of trailer couplers, and can also be used as a trailer jack pin, pintle hook pin, caster pin, and more. The square retainer clip of this trailer coupler pin is made with spring steel, making the clip semi-flexible for easy operation. Protected by a durable zinc-plated finish, this coupler safety pin maintains excellent resistance to rust and corrosion for longevity and hassle-free use every time. Additionally, the 1/4-inch trailer coupler pin is made out of solid steel for reliable strength and safety on the road.

The CURT 25094 Posi-Lock Coupler Replacement Latch is a high-strength steel coupler latch that replaces the latch in the CURT posi-lock couplers for 1-7/8-inch trailer balls. Its spring and nut posi-lock mechanism makes it easy to adjust and it fits couplers with 2-inch, 2-1/2-inch or 3-inch channel widths. The latch also features holes to accept a safety pin or coupler lock, and is protected by a durable zinc-plated finish.