Keep your ATV running smoothly with this high-quality replacement O2 sensor, designed for Polaris Ranger, RZR, and Sportsman models. Replace your sensor if you notice symptoms like poor fuel efficiency, rough idling, loss of power, or a triggered check engine light. Built to meet OEM standards, it ensures accurate air-fuel monitoring for optimal performance and reduced emissions. Easy to install and durable for long-lasting use. Select your model from the dropdown below.
Direct replacement for POLARIS part numbers 4016021, 4013979 & 4011853
