CURT Automotive Electrical Plug: 4-Way Flat, IP67 (MPN 55441)
SKU 3G-OTH-484646
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Frequently Asked Questions
What is the CURT 4-Way Flat Automotive Electrical Plug used for?
The CURT 4-Way Flat plug (MPN 55441) connects trailer lighting systems to tow vehicles. It is commonly used in fleet and vehicle maintenance for utility trailers, boat trailers, and light-duty towing applications where a reliable, weather-resistant connection is required.
What are the specifications of the CURT 55441 electrical plug?
The CURT 55441 is a 4-Way Flat automotive electrical plug rated IP67 for dust and water ingress protection. It is designed for trailer wiring connections and is manufactured by CURT under part number 55441. The IP67 rating ensures operation in wet or dusty conditions.
Where to buy the CURT 55441 4-Way Flat plug worldwide?
3G Electric supplies the CURT 55441 4-Way Flat plug to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us to order this IP67-rated electrical plug for your fleet maintenance needs.
How to install the CURT 4-Way Flat trailer plug?
Install the CURT 55441 plug by matching wire colors to your vehicle's trailer wiring harness: typically white for ground, brown for tail lights, yellow for left turn/brake, and green for right turn/brake. Ensure the plug is fully seated and the IP67 seal is intact to prevent moisture ingress.
Used in
Common applications for CURTCURT Products
3G Electric supplies CURT fleet and vehicle maintenance. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









