Restore smooth engine performance and fix wiring issues quickly with the Polaris 2878507 Harness Repair Kit. Designed specifically for Polaris models that use the Idle Air Control (IAC) valve, this high-quality pigtail harness provides a dependable solution for damaged or corroded wiring connections. Each kit includes a durable pigtail with six-inch wire leads, pre-stripped and ready to splice for an efficient installation. The included butt connectors make the process simple and secure, ensuring a tight, weather-resistant seal that holds up against vibration, moisture, and heat exposure.
This harness repair kit is compatible with four-wire IAC valve systems and is precision-engineered to match Polaris part numbers 3131629, 4011638, and 4013313. It’s an ideal replacement for worn or brittle connectors that can cause idle irregularities, starting issues, or poor throttle response. The premium-grade materials resist cracking and corrosion, maintaining conductivity and reliability over time. Whether you’re maintaining your Polaris Ranger, Sportsman, or RZR, this repair kit provides an OEM-quality fit without the OEM price tag.
Installation is straightforward—simply remove the old harness, match the wire colors, and connect using the provided butt splices. No special tools or modifications are required. The harness fits snugly onto the IAC valve to restore proper idle control operation, helping your engine maintain consistent RPMs and improved fuel efficiency. Designed to meet or exceed factory specifications, it offers long-lasting performance for off-road conditions, including mud, dust, and temperature fluctuations.
Keep your Polaris running smoothly with the Polaris 2878507 Harness Repair Kit. It’s the dependable choice for anyone looking to restore reliable electrical connections, prevent costly downtime, and ensure optimal performance from their machine’s idle air control system. Perfect for both professional mechanics and DIY enthusiasts, this harness kit delivers quality, durability, and confidence on every ride.
