Restore your Polaris ATV or UTV’s reliability with this premium EFI Temp Sensor Repair Harness Pigtail by Quad Logic. Engineered to deliver a dependable electrical connection, this high-quality replacement harness is designed to fit nearly every EFI-equipped Polaris model, including popular Ranger, Sportsman, and RZR series vehicles. It’s the perfect solution for replacing a damaged or corroded factory connector, ensuring your engine temperature sensor communicates accurately with the ECU for optimal performance.
This Polaris temperature sensor pigtail kit includes a 10-inch long pre-terminated harness, two durable zip ties, and two heat-shrink butt connectors for a professional-grade repair. Installation is simple—just cut out the old, faulty harness, splice in the new one following factory wiring colors, and plug it directly into your existing EFI temp sensor. The result is a secure, weather-resistant connection that restores reliable temperature readings and helps prevent engine overheating or poor performance.
Manufactured with high-temp automotive-grade wire and weatherproof connector materials, this harness is built to withstand harsh riding conditions, including mud, water, and vibration. The molded connector fits snugly and locks into place just like the original OEM plug, ensuring a perfect fit and long-lasting durability. It replaces Polaris OEM part numbers 2875543 and 2878496, and it works seamlessly with Polaris Part Number 4010644, making it a direct-fit replacement that eliminates guesswork.
Whether you’re maintaining a Polaris Ranger 800, Sportsman, or RZR model, this Quad Logic temp sensor repair harness restores factory performance without the high cost of a full wiring harness replacement. It’s an essential part for anyone looking to keep their Polaris EFI system running smoothly, improve diagnostic accuracy, and extend the life of their engine. Upgrade your ride’s reliability today with this easy-to-install, OEM-quality Polaris temp sensor pigtail harness kit.