36531-R1A-A01 Upstream Air-Fuel Ratio Oxygen Sensor for Honda Civic / Accord / HR-V

Upstream air-fuel ratio oxygen sensor designed for selected Honda vehicles. This sensor is installed in the front upper position of the exhaust system and monitors the air-fuel mixture before the catalytic converter. It sends oxygen-content data to the engine control unit, helping regulate fuel injection, maintain proper engine performance, improve fuel efficiency, and reduce emissions.

This sensor replaces OE part number 36531-R1A-A01 and is an ideal replacement for a damaged, contaminated, or malfunctioning original sensor. Please verify the vehicle model, engine, connector, wire length, and OE number before ordering.

Part Number: 36531-R1A-A01 / 36531R1AA01 Product Type: Upstream Air-Fuel Ratio Oxygen Sensor Alternative Names: Front Oxygen Sensor / Upper O2 Sensor / Air-Fuel Sensor / Lambda Sensor Installation Position: Front upper, upstream of the catalytic converter Common Applications: Selected Honda Civic、Accord、HR-V models Common Fitment: Honda Civic 1.8L（some 2012–2015 ）、Honda Accord（some 2014–2015 ）、Honda HR-V（some model） Related Aftermarket Reference: 234-9119、211200-3510 Function: Measures the oxygen content in exhaust gases and helps the ECU adjust the air-fuel mixture Fitment Note: Compatibility varies by model year, engine type, drivetrain, connector, and emissions configuration. Please verify the OE number and vehicle fitment by VIN before purchase.

Focus on standard auto parts which can immediately replace the old or broken one. In a sealed package, it can be easily installed without additional settings. Fine workmanship, reliable operation, convenient disassembly and assembly.

Note: 1. Please check OEM number before purchasing. 2. Please allow 1-3cm tolerance of package due to manual measurement. Thanks for your understanding. 3. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard 4.Product size, the error generally does not exceed 0.1 mm

Please double check the part number of your item, matching information is for reference only.

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