HomeEmission Control > SensorsDenso 234-4465 Oxygen Sensor - Downstream or Downstream Right
Part #: 234-4465

Denso 234-4465 Oxygen Sensor - Downstream or Downstream Right

OE Style, Downstream Right
⚙️ 11 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$91.33Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
📦OE Style, Downstream Right
🚗Fitment: Land Rover, LR4, Range Rover Sport, and Range Rover
🔄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 234-4465

The Denso OE Style Oxygen Sensor 234-4465 is designed specifically for Land Rover models including the LR4, Range Rover, and Range Rover Sport. This heated oxygen sensor features a threaded mounting type and a 40.59-inch wiring harness, ensuring precise fitment and reliable performance in emission control systems.

  • Heated oxygen sensor for accurate emissions monitoring
  • Specific fitment for Land Rover LR4, Range Rover, and Range Rover Sport
  • Threaded mounting type with 0.708-inch thread diameter
  • 40.59-inch wiring harness length with 4 wires and male connector
  • Part number 234-4465 for easy identification and replacement

Detailed Features and Specifications

This Denso oxygen sensor is part of the OE Style product line, which focuses on delivering original equipment quality and fitment. The OE Style line is engineered to meet or exceed factory specifications, providing a direct replacement that maintains the integrity of your vehicle's emission system. The 234-4465 sensor includes a heated element to ensure faster sensor response times and improved fuel efficiency.

The sensor’s 40.59-inch wiring harness length allows for proper routing and connection within the engine bay, while the 4-wire configuration supports both the sensor signal and heater circuit. The male connector and threaded mounting type with a 0.708-inch diameter ensure secure installation and compatibility with the specified Land Rover models.

Applications and Problem Resolution

  • Restores accurate oxygen level readings for optimal engine performance
  • Helps resolve check engine light issues related to oxygen sensor faults
  • Improves fuel economy by ensuring proper air-fuel mixture adjustments
  • Reduces harmful emissions by maintaining effective catalytic converter operation
  • Prevents drivability problems such as rough idling or hesitation

Installation Notes and Tips

When installing the Denso 234-4465 oxygen sensor, ensure the engine is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector type match your vehicle’s specifications before installation. Thread the sensor carefully to avoid cross-threading and torque to manufacturer specifications. Reconnect the wiring harness securely to prevent signal interruptions.

Quality Assurance and Warranty

Denso’s OE Style oxygen sensors are manufactured to meet strict quality standards, ensuring durability and reliable performance. This sensor is designed to provide consistent operation under normal driving conditions. While specific warranty details are not provided here, Denso products typically come with a limited warranty covering defects in materials and workmanship. Consult the product packaging or manufacturer for exact warranty terms.

BrandDenso
Part Number234-4465
PositionOE Style, Downstream Right
Connector GenderMale
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter0.708
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length40.59

This part fits 11 vehicles. Search below:

YearMakeModelPositionNotes
2013Land RoverLR4Downstream RightOE Style
2013Land RoverRange Rover SportDownstream RightOE Style
2012Land RoverLR4Downstream RightOE Style
2012Land RoverRange RoverDownstreamOE Style
2012Land RoverRange Rover SportDownstream RightOE Style
2011Land RoverLR4Downstream RightOE Style
2011Land RoverRange RoverDownstreamOE Style
2011Land RoverRange Rover SportDownstream RightOE Style
2010Land RoverLR4Downstream RightOE Style
2010Land RoverRange RoverDownstreamOE Style
2010Land RoverRange Rover SportDownstream 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:

18019

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