Denso 234-4125 Oxygen Sensor - Downstream
OE Quality 60-Day Returns
Denso
 OE Style

Denso 234-4125 Oxygen Sensor - Downstream

Brand Denso 234-4125
Position Downstream
Connector Gender Female
Mounting Type Threaded
Sensor Type Heated
Thread Diameter 0.708
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 10.83
Product line OE Style
Fits Honda · 3 vehicles

OE style replacement. Precision-built for exact replacement and a first-time fit.

Heated sensor. Helps support faster operation and consistent performance.

Threaded mounting. Female connector and 4-wire design for a straightforward install.

Cross-references ACDelco 213-3120, BorgWarner OS1841 and Bosch 15476 for the same application. See all 9.

$100.00Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
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Denso 234-4125 Oxygen Sensor for Honda CR-V

Denso OE Style Oxygen Sensor 234-4125 is a specific-fit, heated downstream sensor built for 2002-2004 Honda CR-V applications. It is engineered for direct replacement performance with the correct connector, thread size, and harness length for a first-time fit.

Key Features

  • Specific-fit oxygen sensor for downstream placement
  • Heated sensor design for faster operating response
  • 4-wire configuration with female connector
  • Threaded mounting with 0.708 in. thread diameter
  • 10.83 in. wiring harness length
  • OE Style replacement for 2002-2004 Honda CR-V

OE Style Design

Denso’s OE Style line is built to match original equipment requirements for fit and function. Part number 234-4125 uses precision-built components for direct replacement on the Honda CR-V, helping maintain proper exhaust feedback to the engine control system. Denso also incorporates an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting consistent sensor operation and long service life.

This part cross-references Bosch 15476 and NTK 24410 for the same application.

What This Sensor Helps Address

  • Check engine light related to downstream oxygen sensor performance
  • Incorrect air-fuel feedback from a worn sensor
  • Reduced fuel economy caused by slow sensor response
  • Emissions test failures tied to sensor degradation
  • Rougher engine operation from inaccurate exhaust readings

Installation Notes

Fits 2002-2004 Honda CR-V, downstream. Confirm connector style, thread diameter, and harness length before installation. Use proper oxygen sensor service tools and inspect the exhaust bung threads for damage or contamination before threading in the new sensor.

Quality Assurance

Denso manufactures and tests this oxygen sensor to OE standards for fit, function, and durability. The 234-4125 is built as a direct replacement for the listed Honda CR-V applications and is backed by Denso’s OE-style engineering approach.

Related reading

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2004HondaCR-VDownstreamOE Style
2003HondaCR-VDownstreamOE Style
2002HondaCR-VDownstreamOE Style
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-3120BorgWarner — OS1841Bosch — 15476Delphi — ES10890Honda — 36532PPAA01NTK — 24410Standard Ignition — SG1087Walker Products — 250-24477Walker Products — 350-34088