HomeEmission Control > SensorsDenso 234-9074 Air / Fuel Ratio Sensor - Upstream
Part #: 234-9074

Denso 234-9074 Air / Fuel Ratio Sensor - Upstream

OE Style, Upstream
4 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: Land Rover, Range Rover
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Overview of Denso OE Style Air/Fuel Ratio Sensor 234-9074

The Denso OE Style Air/Fuel Ratio Sensor 234-9074 is designed specifically for Land Rover Range Rover models. This heated sensor ensures accurate air and fuel mixture readings to optimize engine performance and emissions control.

  • Heated sensor type for faster response times
  • Specific fit for Land Rover Range Rover vehicles
  • 11.93-inch wiring harness length for precise installation
  • Four-wire configuration with female connector
  • Thread diameter of 0.711 inches for secure mounting
  • Regular grade type for reliable operation

Detailed Product Description

The Denso 234-9074 air/fuel ratio sensor is engineered to provide precise monitoring of the oxygen content in exhaust gases, enabling the engine control unit to adjust fuel delivery accordingly. This sensor features a heated element to reduce warm-up time, improving emissions control and fuel efficiency. With a wiring harness length of 11.93 inches and a four-wire setup, it offers compatibility with the specific electrical system of Land Rover Range Rover models. The female connector and 0.711-inch thread diameter ensure a secure and proper fit during installation.

About the Denso OE Style Product Line

The OE Style line from Denso focuses on delivering parts that meet original equipment specifications. This air/fuel ratio sensor maintains the quality and fitment standards expected from factory components, making it a suitable replacement for the Land Rover Range Rover’s emission control system. The OE Style designation indicates that this sensor is designed to match the performance and durability of the original sensor installed by the manufacturer.

Common Applications and Issues Addressed

  • Restores accurate air/fuel mixture readings for optimal engine performance
  • Helps resolve rough idling or engine hesitation caused by faulty sensors
  • Reduces increased emissions and failed emissions tests
  • Prevents poor fuel economy linked to incorrect sensor data
  • Eliminates check engine light triggers related to oxygen sensor faults

Installation Notes and Tips

When installing the Denso 234-9074 sensor, ensure the vehicle is cooled down to avoid burns. Use appropriate tools to remove the old sensor and avoid damaging the wiring harness. Verify the connector gender matches the vehicle’s harness for a secure connection. Thread the sensor carefully to prevent cross-threading and tighten to manufacturer torque specifications. It is recommended to clear any diagnostic trouble codes after installation.

Quality Assurance and Warranty

Denso OE Style sensors are manufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details may vary, Denso typically offers coverage against defects in materials and workmanship. This sensor is designed to provide consistent operation within the emission control system of Land Rover Range Rover vehicles.

BrandDenso
Part Number234-9074
PositionOE Style, Upstream
Connector GenderFemale
Grade TypeRegular
Sensor TypeHeated
Thread Diameter0.711
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length11.93

This part fits 4 vehicles. Search below:

YearMakeModelPositionNotes
2009Land RoverRange RoverUpstreamOE Style
2008Land RoverRange RoverUpstreamOE Style
2007Land RoverRange RoverUpstreamOE Style
2006Land RoverRange RoverUpstreamOE 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:

15824

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