HomeEmission Control > SensorsDenso 234-4266 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 234-4266

Denso 234-4266 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

OE Style, Downstream
8 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
OE Style, Downstream
Fitment: Land Rover, Range Rover, LR3, and Range Rover Sport
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

Overview of the Denso OE Style Oxygen Sensor 234-4266

The Denso OE Style Oxygen Sensor 234-4266 is designed specifically for Land Rover vehicles including the LR3, Range Rover, and Range Rover Sport. This heated oxygen sensor features a threaded mounting type and a 16.61-inch wiring harness, ensuring precise fitment and reliable performance.

  • Heated sensor type for faster activation and accurate readings
  • Specific fitment for Land Rover LR3, Range Rover, and Range Rover Sport
  • Threaded mounting with 0.708-inch thread diameter for secure installation
  • 16.61-inch wiring harness length with 4 wires and male connector
  • Part number 234-4266 for exact replacement compatibility

Detailed Product Description

The Denso OE Style oxygen sensor 234-4266 is engineered to meet the exact specifications of the original equipment for Land Rover models such as the LR3, Range Rover, and Range Rover Sport. This sensor uses a heated element to quickly reach operating temperature, improving fuel efficiency and reducing emissions. The 4-wire design with a male connector ensures proper electrical connection and communication with the vehicle’s engine control unit. The threaded mounting type with a 0.708-inch diameter allows for straightforward installation and a secure fit.

The OE Style product line from Denso focuses on delivering parts that match the original equipment in form, fit, and function. This ensures that the 234-4266 oxygen sensor integrates seamlessly with your Land Rover’s emission control system, maintaining optimal engine performance and compliance with emission standards.

Common Applications and Issues Addressed

  • Restores accurate oxygen level readings for proper air-fuel mixture
  • Helps resolve rough idling and engine hesitation
  • Reduces increased fuel consumption caused by faulty sensors
  • Prevents check engine light related to oxygen sensor faults
  • Supports emission control system to meet regulatory requirements

Installation Notes and Tips

  • Ensure vehicle compatibility with Land Rover LR3, Range Rover, or Range Rover Sport before installation
  • Use appropriate tools for threaded sensor removal and installation to avoid damage
  • Check wiring harness length (16.61 inches) and connector type (male) for proper fit
  • Follow torque specifications for the 0.708-inch thread diameter to secure sensor
  • Verify sensor operation after installation by monitoring engine performance and emissions

Quality Assurance and Warranty

Denso’s OE Style oxygen sensor 234-4266 is manufactured to meet strict quality standards, ensuring durability and reliable performance in emission control applications. While specific warranty details may vary, Denso parts typically come with a limited warranty covering defects in materials and workmanship. Using this sensor helps maintain your Land Rover’s emission system integrity and engine efficiency.

BrandDenso
Part Number234-4266
PositionOE Style, Downstream
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length16.61

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
2009Land RoverRange RoverDownstreamExc. North American Vehicle; OE Style
2008Land RoverRange RoverDownstreamExc. North American Vehicle; OE Style
2007Land RoverRange RoverDownstreamExc. North American Vehicle; OE Style
2006Land RoverLR3Downstream LeftOE Style
2006Land RoverRange RoverDownstreamOE Style
2006Land RoverRange Rover SportDownstream RightOE Style
2006Land RoverRange Rover SportDownstream LeftOE Style
2005Land RoverLR3Downstream LeftOE 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:

213-2933

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