Denso 234-4331 Oxygen Sensor - Upstream
OE Quality 60-Day Returns
Denso
 OE Style

Denso 234-4331 Oxygen Sensor - Upstream

Brand Denso 234-4331
Position Upstream
Connector Gender Male
Mounting Type Threaded
Sensor Type Heated
Thread Diameter 0.708
Universal Or Specific Fit Specific
Wire Quantity 4
Wiring Harness Length 18.90
Product line OE Style
Fits Chevrolet, GMC, Hummer, Saab, Isuzu, and Buick · 46 vehicles

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

Heated sensor. Helps support faster operation and consistent readings.

Aluminum oxide trap layer. Protects the ceramic element for longer service life.

Cross-references ACDelco 213-3207, ACDelco 213-3539 and Bosch 15131 for the same application. See all 14.

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Free returns within 60 days if it doesn't fit when fitment is verified.
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Denso OE Style Oxygen Sensor 234-4331

Denso 234-4331 is an OE Style heated oxygen sensor built for direct replacement on select GM and related applications. It is engineered for a specific fit and uses a threaded mounting design with a 4-wire male connector for straightforward replacement on the correct upstream location.

The OE Style line focuses on exact replacement fitment and consistent sensor performance. Denso also uses an aluminum oxide trap layer to help protect the ceramic element from silicone and lead contamination, supporting stable engine operation and long service life.

Key Features

  • Heated oxygen sensor for upstream exhaust monitoring
  • Specific-fit design for the listed applications
  • 4-wire configuration with male connector
  • Threaded mounting type with 0.708 in. thread diameter
  • 18.90 in. wiring harness length
  • OE Style replacement from Denso

Vehicle Fitment

  • Fits 2006-2012 Chevrolet Colorado, Upstream
  • Fits 2006-2012 GMC Canyon, Upstream
  • Fits 2006-2010 Hummer H3, Upstream
  • Fits 2009-2010 Hummer H3T, Upstream
  • Fits 2006-2009 Chevrolet Trailblazer, Upstream
  • Fits 2006-2009 GMC Envoy, Upstream
  • Fits 2006-2009 Saab 9-7x, Upstream
  • Fits 2006-2008 Isuzu Ascender, Upstream
  • Fits 2007-2008 Isuzu i-290, Upstream
  • Fits 2007-2008 Isuzu i-370, Upstream
  • Fits 2006-2007 Buick Rainier, Upstream
  • Fits 2006 Chevrolet Trailblazer EXT, Upstream
  • Fits 2006 GMC Envoy XL, Upstream
  • Fits 2006 Isuzu i-280, Upstream
  • Fits 2006 Isuzu i-350, Upstream

What This Sensor Helps Address

  • Check engine light related to oxygen sensor performance
  • Incorrect air-fuel feedback from a worn upstream sensor
  • Reduced fuel economy caused by slow sensor response
  • Rough idle or drivability issues tied to exhaust feedback
  • Emission control faults on the listed vehicles

Installation Notes

Install this sensor in the upstream position only on the listed applications. Verify connector style, thread size, and harness length before installation to confirm the correct replacement for your vehicle. For best results, inspect the exhaust bung and wiring routing during service.

Quality Assurance

Denso manufactures and tests this oxygen sensor to OE standards for replacement accuracy and fit. The OE Style product line is built for first-time fitment and consistent sensor performance on the specified applications. This part cross-references Bosch (e.g., 15131, 15153) for the same application.

Related reading

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2012ChevroletColoradoUpstreamOE Style
2012GMCCanyonUpstreamOE Style
2011ChevroletColoradoUpstreamOE Style
2011GMCCanyonUpstreamOE Style
2010ChevroletColoradoUpstreamOE Style
2010GMCCanyonUpstreamOE Style
2010HummerH3UpstreamOE Style
2010HummerH3TUpstreamOE Style
2009ChevroletColoradoUpstreamOE Style
2009ChevroletTrailblazerUpstreamOE Style
2009GMCCanyonUpstreamOE Style
2009GMCEnvoyUpstreamOE Style
2009HummerH3UpstreamOE Style
2009HummerH3TUpstreamOE Style
2009Saab9-7xUpstreamOE Style
2008ChevroletColoradoUpstreamOE Style
2008ChevroletTrailblazerUpstreamOE Style
2008GMCCanyonUpstreamOE Style
2008GMCEnvoyUpstreamOE Style
2008HummerH3UpstreamOE Style
2008IsuzuAscenderUpstreamOE Style
2008Isuzui-290UpstreamOE Style
2008Isuzui-370UpstreamOE Style
2008Saab9-7xUpstreamOE Style
2007BuickRainierUpstreamOE Style
2007ChevroletColoradoUpstreamOE Style
2007ChevroletTrailblazerUpstreamOE Style
2007GMCCanyonUpstreamOE Style
2007GMCEnvoyUpstreamOE Style
2007HummerH3UpstreamOE Style
2007IsuzuAscenderUpstreamOE Style
2007Isuzui-290UpstreamOE Style
2007Isuzui-370UpstreamOE Style
2007Saab9-7xUpstreamOE Style
2006BuickRainierUpstreamOE Style
2006ChevroletColoradoUpstreamOE Style
2006ChevroletTrailblazerUpstreamOE Style
2006ChevroletTrailblazer EXTUpstreamOE Style
2006GMCCanyonUpstreamOE Style
2006GMCEnvoyUpstreamOE Style
2006GMCEnvoy XLUpstreamOE Style
2006HummerH3UpstreamOE Style
2006IsuzuAscenderUpstreamOE Style
2006Isuzui-280UpstreamOE Style
2006Isuzui-350UpstreamOE Style
2006Saab9-7xUpstreamOE Style
Directly replaces or cross-references 14 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ACDelco — 213-3207ACDelco — 213-3539Bosch — 15131Bosch — 15153Delphi — ES20355GMC — 12592591GMC — 12592592Isuzu — 8125925910Isuzu — 8125925920NTK — 21561Saab — 12592591Standard Ignition — SG1626Walker Products — 250-24698Walker Products — 350-34489