GUZIKO O2 Oxygen Sensor for Honda TRX 420/500 Rancher 2014-2019 | 36531-HR3-A22/A21

Overview

GUZIKO presents an O2 oxygen sensor designed for key Honda TRX models. This sensor monitors exhaust oxygen levels and relays data to the ECU, helping maintain an efficient air–fuel balance for smoother operation across varied riding conditions. The result may include steadier idle, more predictable throttle response, and reliable performance on trails, fields, and gravel roads.

Compatibility you can rely on

• Fits Honda TRX 420 Rancher, 2014–2019
• Fits Honda TRX 500 Rancher, 2015–2016
• Fits Honda TRX 500 Foreman, 2015–2019
• Fits Honda TRX 500 Rubicon, 2015–2019

Quality and durability

• High quality materials designed for stable signal response and longevity
• Engineered to withstand high heat and demanding riding conditions
• Undergoes thorough quality checks before delivery

Part numbers and fit verification

Replace part numbers are 36531-HR3-A22 and 36531-HR3-A21. Please verify fit before purchasing to ensure compatibility with your machine.

Usage scenarios and expectations

In real world riding, the sensor can support a steady air–fuel balance that helps stable acceleration and smooth operation under varying load. Benefits are potential and depend on your overall system, maintenance, and tuning.

Important notes

• Installation instructions are not included; professional inspection and installation are strongly recommended
• We offer a 12 month after sale service with a response within 12 hours for any questions or issues