HomeEmission Control > SensorsDenso 234-9028 Air / Fuel Ratio Sensor - Upstream Right
Part #: 234-9028

Denso 234-9028 Air / Fuel Ratio Sensor - Upstream Right

OE Style, Upstream Right
⚙️ 3 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Upstream Right
🚗Fitment: Toyota, RAV4
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Overview of the Denso OE Style Air/Fuel Ratio Sensor

The Denso OE Style Air/Fuel Ratio Sensor 234-9028 is designed specifically for Toyota RAV4 models, providing precise air and fuel mixture readings. This heated sensor ensures optimal engine performance and emission control by maintaining accurate fuel ratios.

  • Heated sensor type for faster response times
  • Specific fit for Toyota RAV4 vehicles
  • 11.81-inch wiring harness length for proper installation
  • Four-wire configuration with male connector
  • Thread diameter of 0.711 inches for secure mounting
  • Regular grade type for reliable operation

Detailed Product Description

The Denso 234-9028 air/fuel ratio sensor is engineered to meet the exact specifications of Toyota RAV4 models, ensuring compatibility and reliable performance. Featuring a heated sensor element, it quickly reaches operating temperature to provide accurate readings of the air-to-fuel mixture. The sensor includes a wiring harness length of 11.81 inches, allowing for proper routing and connection within the engine bay. With four wires and a male connector, this sensor integrates seamlessly with the vehicle's emission control system. The thread diameter of 0.711 inches ensures a secure fit, maintaining sensor stability and preventing leaks. As part of Denso's OE Style product line, this sensor is designed to match original equipment standards for fit, form, and function.

About the OE Style Product Line

Denso's OE Style line focuses on providing replacement parts that closely replicate the original equipment in terms of design and performance. The 234-9028 air/fuel ratio sensor from this line is manufactured to meet the same specifications as the factory-installed sensor, ensuring consistent operation and compatibility with Toyota RAV4 emission systems.

Common Applications and Issues Addressed

  • Helps resolve engine performance problems related to incorrect air/fuel mixture
  • Reduces emissions by providing accurate sensor data to the engine control unit
  • Addresses check engine light triggers caused by faulty air/fuel sensors
  • Improves fuel efficiency by maintaining proper combustion ratios
  • Prevents rough idling and hesitation during acceleration

Installation Notes and Tips

When installing the Denso 234-9028 sensor, ensure the wiring harness is routed without sharp bends or contact with hot engine components. Use the correct thread diameter of 0.711 inches to avoid cross-threading. Verify the male connector is securely attached to the vehicle’s wiring harness. It is recommended to follow Toyota RAV4 service manual procedures for sensor replacement to maintain system integrity.

Quality Assurance and Warranty

Denso manufactures the 234-9028 air/fuel ratio sensor to meet strict quality standards, ensuring durability and reliable performance. This sensor is built to OEM specifications and undergoes rigorous testing. Warranty coverage details should be confirmed with the parts provider or manufacturer documentation.

BrandDenso
Part Number234-9028
PositionOE Style, Upstream Right
Connector GenderMale
Grade TypeRegular
Sensor TypeHeated
Thread Diameter0.711
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length11.81

This part fits 3 vehicles. Search below:

YearMakeModelPositionNotes
2003ToyotaRAV4Upstream RightOE Style
2002ToyotaRAV4Upstream RightOE Style
2001ToyotaRAV4Upstream RightOE 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:

213-2842

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