HomeEmission Control > SensorsDenso 234-9124 Air / Fuel Ratio Sensor - Upstream
Part #: 234-9124

Denso 234-9124 Air / Fuel Ratio Sensor - Upstream

OE Style, Upstream
5 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Upstream
Fitment: Honda, Civic
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Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-9124 is designed specifically for Honda Civic models, providing precise air and fuel mixture readings. This heated sensor ensures optimal engine performance and emission control by maintaining accurate data for the vehicle's engine management system.

  • Heated sensor type for faster response times
  • Specific fitment for Honda Civic models
  • 10.43-inch wiring harness length for proper installation
  • Four-wire configuration for reliable signal transmission
  • Regular grade type ensuring consistent performance

Detailed Product Description

The Denso 234-9124 air/fuel ratio sensor is engineered to meet the exact specifications of Honda Civic vehicles. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate air-fuel mixture data under various driving conditions. The sensor includes a 10.43-inch wiring harness, allowing for straightforward connection without the need for modifications. With four wires, this sensor supports stable communication with the engine control unit, helping maintain efficient combustion and reduced emissions.

This sensor is part of Denso's OE Style product line, which focuses on delivering components that closely match original equipment specifications. The OE Style line ensures that replacement parts like this air/fuel ratio sensor maintain the performance and reliability expected from factory-installed components.

Common Applications and Issues Addressed

  • Helps correct inaccurate air/fuel mixture readings
  • Resolves engine performance problems related to sensor failure
  • Reduces emissions by providing precise data to the engine control unit
  • Prevents check engine light triggers caused by faulty sensors
  • Improves fuel efficiency by maintaining proper combustion ratios

Installation Notes and Tips

  • Compatible specifically with Honda Civic models; verify vehicle year and engine type before installation
  • Ensure wiring harness length of 10.43 inches is sufficient for your vehicle’s sensor location
  • Handle the sensor carefully to avoid damage to the heated element
  • Use appropriate tools to avoid damaging the sensor threads during installation
  • Follow vehicle manufacturer torque specifications when securing the sensor

Quality Assurance and Warranty

Denso manufactures the 234-9124 air/fuel ratio sensor to meet strict quality standards, ensuring reliable operation and durability. As part of the OE Style line, this sensor is designed to match original equipment performance. Warranty coverage details should be confirmed at the point of purchase, as they may vary.

BrandDenso
Part Number234-9124
PositionOE Style, Upstream
Grade TypeRegular
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length10.43

This part fits 5 vehicles. Search below:

YearMakeModelFuel TypePositionNotes
2011HondaCivicGASUpstreamOE Style
2010HondaCivicGASUpstreamOE Style
2009HondaCivicGASUpstreamOE Style
2008HondaCivicGASUpstreamOE Style
2007HondaCivicGASUpstreamOE Style

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

15268

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.