HomeEmission Control > SensorsDenso 234-9302 Air / Fuel Ratio Sensor - Upstream
Part #: 234-9302

Denso 234-9302 Air / Fuel Ratio Sensor - Upstream

OE Style, Upstream
⚙️ 8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream
🚗Fitment: Toyota, Prius C
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Reliable Air/Fuel Ratio Sensor for Toyota Prius C

The Denso OE Style Air/Fuel Ratio Sensor 234-9302 is designed specifically for the Toyota Prius C, ensuring precise emissions control and optimal engine performance. This heated sensor features a 10.75-inch wiring harness and a male connector for a secure fit.

  • Heated sensor type for faster response times
  • Specific fitment for Toyota Prius C models
  • 10.75-inch wiring harness length for proper installation
  • Four-wire configuration with male connector
  • Thread diameter of 0.709 inches for exact fit
  • Regular grade type for standard durability

About the Denso OE Style Product Line

The OE Style line by Denso offers parts engineered to meet original equipment specifications. The 234-9302 air/fuel ratio sensor maintains the quality and performance standards expected from factory components, providing a direct replacement that supports your vehicle’s emission control system without compromise.

Product Details and Specifications

This air/fuel ratio sensor is a heated type, which helps the sensor reach operating temperature quickly, improving fuel mixture readings and reducing emissions. The 10.75-inch wiring harness length allows for proper routing and connection within the engine bay. Featuring a male connector and four wires, this sensor is designed for a specific fit on the Toyota Prius C, ensuring compatibility and reliable operation. The thread diameter of 0.709 inches matches OEM specifications for secure installation.

Common Applications and Issues Addressed

  • Helps maintain proper air/fuel mixture for efficient combustion
  • Reduces emissions by providing accurate sensor data to the engine control unit
  • Resolves check engine light triggers related to air/fuel ratio sensor faults
  • Improves fuel economy by optimizing fuel delivery
  • Prevents rough idling and engine performance issues caused by faulty sensors

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid injury. Disconnect the battery to prevent electrical shorts. Carefully remove the old sensor and inspect the wiring harness for damage. The 10.75-inch wiring harness length should allow for straightforward connection to the existing harness. Use appropriate tools to avoid damaging the sensor threads during installation. Verify the male connector is securely attached to the vehicle’s wiring harness before completing the installation.

Quality Assurance and Warranty

Denso’s OE Style air/fuel ratio sensor 234-9302 is manufactured to meet original equipment standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandDenso
Part Number234-9302
PositionOE Style, Upstream
Wiring Harness Length10.75
Sensor TypeHeated
Universal Or Specific FitSpecific
Wire Quantity4
Grade TypeRegular
Connector GenderMale
Thread Diameter0.709

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2019ToyotaPrius CUpstreamOE Style
2018ToyotaPrius CUpstreamOE Style
2017ToyotaPrius CUpstreamOE Style
2016ToyotaPrius CUpstreamOE Style
2015ToyotaPrius CUpstreamOE Style
2014ToyotaPrius CUpstreamOE Style
2013ToyotaPrius CUpstreamOE Style
2012ToyotaPrius CUpstreamOE 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:

24828

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