Ensure your Polaris RZR or ATV continues to deliver maximum performance with this premium replacement O2 Sensor by Quad Logic. Designed as a direct-fit replacement for Polaris part numbers 4016021 and 4013979, this oxygen sensor is engineered to meet or exceed OEM specifications for accuracy, durability, and reliability. It plays a critical role in monitoring your engine’s air-to-fuel ratio, allowing your ECU to make precise adjustments for optimal combustion, improved fuel efficiency, and reduced emissions. Whether you’re tackling rugged trails, powering through mud, or cruising open terrain, this sensor helps your engine run smoother and more efficiently.
Constructed with high-quality materials to withstand extreme riding conditions, this O2 sensor delivers consistent readings even under heavy load and fluctuating temperatures. The weather-sealed connector ensures a secure fit and protection against moisture, dust, and vibration. Installation is straightforward—simply remove your old sensor and plug this replacement directly into the factory harness. No modifications or special tools are required, making it a hassle-free upgrade for do-it-yourself riders and professional mechanics alike.
Replacing a worn or faulty oxygen sensor can restore lost horsepower, improve throttle response, and prevent engine misfires or excessive fuel consumption. Over time, O2 sensors can become contaminated or fail due to exhaust deposits and exposure to high heat. Installing this new Quad Logic sensor ensures your Polaris RZR Turbo, Ranger, or other compatible Polaris models maintain peak efficiency and dependable performance. Keep your engine running cleaner, stronger, and longer with this essential maintenance component designed specifically for your Polaris off-road machine.
Compatibility: Direct replacement for Polaris OEM part numbers 4016021 and 4013979. Fits select Polaris RZR Turbo and related models. Always verify compatibility with your specific year and model before installation.
