GDUKOP Oxygen Sensor Kit for Honda 2.4L — Upstream 234-9131 & Downstream 234-4980, OE-fit plug-and-play

This GDUKOP two-piece oxygen sensor set replaces both upstream (234-9131) and downstream (234-4980) O2 sensors to restore accurate air-fuel monitoring for compatible Honda 2.4L engines.

If your Honda CR-V (2012–2019) or Accord 2.4L (2013–2017) shows symptoms like a persistent check engine light, fluctuating idle, or reduced fuel economy, a worn O2 sensor pair can be the cause. This GDUKOP kit supplies the OE-referenced upstream and downstream sensors designed to match factory fit and function while using durable materials resistant to high heat and exhaust contaminants.

How will replacing both upstream and downstream sensors affect engine performance?

Replacing both sensors helps the engine control unit regain accurate feedback on oxygen levels before and after the catalytic converter. That enables better fuel-trim adjustments and more stable idling without guessing from a single point of data.

• Upstream sensor (234-9131) measures combustion oxygen for fuel control.
• Downstream sensor (234-4980) monitors converter efficiency.
• New sensors reduce false oxygen readings that cause rough idle.

Are these GDUKOP sensors compatible with my Honda and what are the part numbers?

The pair is made for Honda models with the 2.4L engine: CR-V years 2012–2019 and Accord years 2013–2017. GDUKOP lists the upstream as 234-9131 (OE reference 36531-5A2-A01) and the downstream as 234-4980 (OE reference 36532-5LA-A01) to match factory wiring and mounting.

• Verify engine code and year before purchase for a precise match.
• Uses the same connector type as the original Honda sensors.
• Labeled with OE cross-references for simple identification.

What should I expect from installation and durability?

GDUKOP engineers the sensors for plug-and-play installation with correct wiring and weatherproof sealing, so most installations require only basic hand tools and standard sockets. Materials are selected to handle exhaust heat and pressure, offering longer service life compared with lower-grade replacements.

• Pre-wired harnesses match factory connectors for quick swaps.
• Weather-tight seals prevent moisture and corrosion at the plug.
• High-temp materials resist degradation from exhaust gases.

Will swapping these sensors clear my check engine light?

Replacing faulty O2 sensors often removes oxygen-related trouble codes, but a check engine light can stem from multiple causes. After installation, clear codes and monitor the vehicle: if codes persist, further diagnostics may be required.

• New sensors typically stop oxygen-sensor DTCs from reoccurring.
• Clear the ECU codes after installation and perform a road test.
• If codes remain, check wiring, connectors, and catalytic converter health.

Who is this for: This two-piece GDUKOP O2 sensor kit is for DIY mechanics and professional technicians working on Honda CR-V (2012–2019) and Accord 2.4L (2013–2017) models who need OE-referenced sensors for accurate air-fuel feedback. Choose this set if you want factory-style fit, robust high-temperature materials, and plug-and-play harnesses to simplify replacement and restore drivability metrics like idle stability and fuel economy.