Boine Oxygen Sensor 36531-HR3-A22 | Fits Honda TRX420 Rancher, Rubicon & Foreman (2014-2020)

Overview

Introducing the Boine Air Fuel Ratio O2 sensor, a direct replacement designed to keep exhaust oxygen readings aligned with your engine management. This model supports the Honda TRX420 Rancher from 2014 through 2020 and the TRX500 line from 2015 to 2020, including Foreman, Rubicon, and Rancher variants. The part is identified by the 36531-HR3-A22 number, with compatibility noted for related trims in a few cases.

The sensor features high-quality chips and undergoes multiple factory tests before packing. The result is a durable component built to endure the rigors of off-road riding, heat, and vibration while delivering consistent sensor feedback. With a plug-and-play design, installation is straightforward, helping riders and shops reduce downtime and get back on the trail quickly.

Compatibility and replacement references

• Compatible With: 2014-2020 Honda TRX 420 Rancher; 2015-2020 Honda TRX500 Rubicon; 2015-2016 Honda TRX500 Rancher; 2015-2020 Honda TRX 500 Foreman.
• Replace Part Number: 36531-HR3-A22 (also listed as 36531-HR3-A21 for some trims).

Durable design and factory-tested reliability

The Boine sensor is built with durable components and chips that pass rigorous factory testing. This attention to quality helps ensure steady readings in the field, supporting reliable engine management under varied riding conditions.

• Durable construction with factory-tested chips.
• Designed to tolerate vibration, heat, and rugged trails.

Easy installation and plug-and-play convenience

Thanks to a direct plug-and-play architecture, you can replace the sensor without rewiring. It matches the OEM harness interface and aligns with the 36531-HR3-A22 specification, reducing workshop time and simplifying routine maintenance.

Real-world use and expectations

In real-world riding, you may notice more consistent sensor feedback and smoother engine management as part of the overall system. Individual results can vary with riding style, altitude, and engine condition.

• Potential for stable sensor feedback and steady fuel-air readings.
• Possible improvements in throttle response and idle consistency.

Warranty and support

Boine backs this sensor with a 1-year warranty and responsive customer support. If you encounter any issues after installation, reach out for prompt assistance and troubleshooting guidance.