Denso 234-4136 Oxygen Sensor - Downstream
OE Quality 60-Day Returns
Denso
 OE Style

Denso 234-4136 Oxygen Sensor - Downstream

Brand Denso 234-4136
Position Downstream
Wiring Harness Length 16.97
Sensor Type Heated
Universal Or Specific Fit Specific
Wire Quantity 4
Connector Gender Male
Thread Diameter 0.708
Mounting Type Threaded
Product line OE Style
Fits Land Rover · 5 vehicles

OE style replacement. Precision-built for an exact, first-time fit.

Heated sensor. Helps support faster operation and consistent performance.

Aluminum oxide trap layer. Protects the ceramic element from contamination.

Cross-references Delphi ES20364, Land Rover LR005793 and NTK 25646 for the same application. See all 5.

$99.63Free shipping
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Denso 234-4136 Oxygen Sensor for LR2

Denso 234-4136 is an OE-style heated oxygen sensor built for precise replacement and direct fitment. It is engineered for the downstream position on the 2008-2012 Land Rover LR2, with the correct threaded mounting, 4-wire configuration, and specific-fit design for straightforward service work.

Key Features

  • OE Style oxygen sensor for exact replacement fit
  • Heated sensor design for faster operating response
  • Specific fit for the downstream position
  • 4-wire layout with male connector
  • Threaded mounting with 0.708 in. thread diameter
  • Wiring harness length: 16.97 in.
  • Built to Denso OE standards for consistent sensor performance

Product Details

This Denso oxygen sensor is designed for the 2008-2012 Land Rover LR2, downstream, and is identified by part number 234-4136. Denso’s OE Style line focuses on exact replacement dimensions and factory-style fitment, helping maintain proper exhaust feedback for engine management. The sensor also uses Denso’s aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting long service life and stable operation. This part cross-references Land Rover LR005793 and NTK 25646 for the same application.

What This Sensor Helps Address

  • Check engine light related to downstream oxygen sensor faults
  • Incorrect exhaust gas feedback readings
  • Reduced fuel economy caused by a worn sensor
  • Slow sensor response after extended service life
  • Fitment issues from using a universal sensor instead of a specific replacement

Installation Notes and Tips

Verify the downstream location before installation and confirm the connector style, wire count, and threaded mounting match the original sensor. For best results, compare the harness length and connector orientation to the removed part before final tightening. This part is listed for Fits 2008-2012 Land Rover LR2, Downstream.

Quality Assurance

Denso manufactures and tests this oxygen sensor to OE standards for accurate replacement fitment and dependable operation. The OE-style design and contamination-resistant construction reflect Denso’s focus on factory-level application matching for the Land Rover LR2.

Related reading

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2012Land RoverLR2DownstreamOE Style
2011Land RoverLR2DownstreamOE Style
2010Land RoverLR2DownstreamOE Style
2009Land RoverLR2DownstreamOE Style
2008Land RoverLR2DownstreamOE Style
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Delphi — ES20364Land Rover — LR005793NTK — 25646Walker Products — 250-24455Walker Products — 350-34041