Indian Chief Chieftain Oxygen Sensor for Air Fuel Ratio, Heating Type

Upgrade your ride’s fuel management with the Indian Chief Chieftain Oxygen Sensor for Air Fuel Ratio (Heated Type) by IWOKPHD. This heated, piezoelectric sensor is designed to deliver precise readings of the exhaust oxygen level, helping your engine maintain an optimal air–fuel ratio for smoother idling, better throttle response, and reduced emissions. With OEM numbers 4013979, 4016021, 28058603, and 25322728, this sensor is built to align with your motorcycle’s original specifications while offering reliable, durable performance in a demanding riding environment. Originating from Mainland China, it’s designed to fit a wide range of Indian motorcycles and Polaris models, ensuring you get a precise fit when you replace aging or failing sensors.

Note: Please check the picture and part number carefully to make sure that you bought the right part for your vehicle. If you cannot be sure which item fits, please send the Part Number or the Original product photos to us to confirm before ordering. The only way to be 100% sure the part will fit your vehicle is to check your original part. We will check for you and reply within 24 hours.

Benefits & Tips

• Improved fuel efficiency and steadier engine performance by maintaining an accurate air–fuel mix, especially after cold starts.
• Faster warm-up thanks to the built-in heating element, helping the sensor reach optimal operating temperature quickly for reliable readings.
• Reduced exhaust emissions and better protection for your catalytic converter by keeping the engine’s combustion within specification.

Product specifications

• Brand Name: IWOKPHD
• OEM NO.: 4013979, 4016021, 28058603, 25322728
• Origin: Mainland China
• Sensor Type: Piezoelectric
• Type: Heating Type
• Electronic: No
• Compatibility / Application: For Indian Chief 2018; Indian Chief Classic 2017-2018; Indian Chief Dark Horse 2017-2019; Indian Chief Vintage 2017-2019; Indian Chieftain 2017-2019; Indian Chieftain Classic 2018-2019; Indian Chieftain Dark Horse 2017-2019; Indian Chieftain Elite 2017-2019; Indian Chieftain Jack Daniels Limited Edition 2017; Indian Chieftain Limited 2017-2019; Indian Roadmaster 2017-2019; Indian Roadmaster Classic 2017-2019; Indian Roadmaster Elite 2018-2019; Indian Scout 2017-2019; Indian Scout Bobber 2017-2019; Indian Scout Sixty 2017-2019; Indian Springfield 2016-2019; Indian Springfield Dark Horse 2018-2019; Polaris ACE 150 2019; Polaris ACE 150 EFI 2019; Polaris General 1000 2016-2020; Polaris General 1000 Deluxe EPS 2016-2022; Polaris General 1000 Deluxe Ride Command Edition 2021-2022; Polaris General 1000 EPS 2016-2021; Polaris General 1000 EPS Hunter Edition 2018-2019; Polaris General 1000 EPS Limited Edition 2018-2019; Polaris General 1000 Hunter Edition EPS 2017; Polaris General 1000 Premium EPS 2016 2018-2022; Polaris General 1000 PS MD 2017-2018; Polaris General 1000 Ride Command Edition EPS 2017-2019; Polaris General 1000 Sport 2020-2022; Polaris General 1000 White Lightning Edition EPS 2017; Polaris General 4 1000 2017-2020; Polaris General 4 1000 Deluxe EPS 2020-2021; Polaris General 4 1000 Deluxe Ride Command Edition 2021-2022; Polaris General 4 1000 EPS 2017 2020-2021; Polaris General 4 1000 EPS Ride Command Edition 2018-2019; Polaris General 4 1000 Premium EPS 2021-2022; Polaris General XP 1000 Deluxe 2021-2022; Polaris General XP 1000 Deluxe Ride Command Edition 2022; Polaris General XP 1000 Factory Custom Edition 2021; Polaris General XP 1000 Pursuit Edition 2021; Polaris General XP 1000 Trailhead Edition 2022; Polaris General XP 1000 Troy Lee Designs Edition 2022; Polaris General XP 4 1000 Deluxe 2020-2022; Polaris General XP 4 1000 Deluxe Ride Command Edition 2022; Polaris General XP 4 1000 Factory Custom Edition 2021; Polaris General XP 4 1000 Pursuit Edition 2021; Polaris General XP 4 1000 Trailhead Edition 2022
• Package Includes: 1 x Oxygen Sensor
• Warnings / Reminders: See compatibility notes above. Ensure you verify part numbers and model compatibility before purchase. If in doubt, contact us for confirmation and we will respond within 24 hours.

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