12V 3-Pin Flat Trailer Plug & Socket – Waterproof UV-Resistant

12V 3-Pin Flat Trailer Plug & Socket Connector Kit

Keep your trailer lights and signals running reliably with this heavy-duty 12V 3-Pin Flat Trailer Plug & Socket Kit. Built from UV-resistant, impact-resistant ABS plastic with brass internal contacts, this connector delivers stable, low-resistance electrical and signal transmission — perfect for RVs, utility trailers, ATVs, farm vehicles, and small marine trailers. Made in Mainland China.

Key Features

• High-Conductivity Brass Contacts: Low-resistance brass pins ensure stable power and signal transmission with no voltage drop, so your trailer lights and indicators work every time.
• Heavy-Duty UV & Weather-Resistant Housing: High-strength ABS shell resists UV damage, corrosion, and extreme temperatures — built to endure harsh outdoor and road conditions for long-lasting service.
• Waterproof & Dustproof Protection: Integrated rubber sealing ring combined with a spring-loaded flip dust cover keeps out rain, mud, dust, and debris, preventing short circuits and poor contact in all weather.
• Secure Flanged Socket Mount: Pre-drilled mounting holes and an anti-slip sealing gasket ensure a firm, vibration-proof installation on your vehicle body — no loosening on bumpy roads.
• Universal SAE 3-Pin Compatibility: Standard 3-pin flat design fits most towing equipment including utility trailers, RVs, ATVs, agricultural vehicles, and small boat trailers — no extra modification required.
• Ergonomic, Easy-Grip Plug: Non-slip textured plug body with a flexible rubber dust cap makes connecting and disconnecting effortless, even with gloves on.

Specifications

Compatible With

• Utility trailers
• RVs & camper trailers
• ATVs & farm/agricultural vehicles
• Small boat & marine trailers
• Any standard SAE 3-pin flat wiring system

Notes

• Product images are for reference only; actual size details are listed in specifications.
• Please allow minor differences due to manual measurement.
• Actual color may vary slightly from images due to monitor differences.

You May Also Like

• Car Molding Trim Tape – Decorative Auto Adhesive Strip
• Tactical EDC Storage Bag – Military Utility Pouch
• 10pcs 2-Pin Spring Wire Connectors – Quick Splice Lock Terminals

Learn more: FuelEconomy.gov on vehicle maintenance

Frequently Asked Questions

Q: Is this 3-pin flat trailer plug compatible with my RV or camper trailer?

A: Yes! This connector uses the standard SAE 3-pin flat design, which is compatible with most utility trailers, RVs, camper trailers, ATVs, agricultural vehicles, and small marine trailers. No extra modification is required to match your existing wiring system.

Q: Is the trailer plug and socket waterproof for outdoor use?

A: Absolutely. The kit features an integrated rubber sealing ring and a spring-loaded dustproof flip cover that effectively blocks rain, mud, dust, and debris. It is designed to maintain reliable contact even in rainy or snowy conditions.

Q: How is the socket mounted on the vehicle?

A: The flanged socket base includes pre-drilled mounting holes and an anti-slip sealing gasket for firm, secure installation directly onto the vehicle body. This design prevents loosening or shifting during bumpy driving conditions.

Q: What voltage is this trailer connector rated for?

A: This connector is designed for 12V DC systems, which is the standard voltage used by most towing vehicles, trailers, and recreational vehicles for lighting and signal connections.

Production & Packaging Notice

To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.