Delphi ES20008 Oxygen Sensor - Front, Rear or Rear Right

Brand Delphi ES20008
Position Front
Connector Shape Triangle
Overall Length 380.0
Package Contents Oxygen Sensor, Instruction Sheet
Position(s) Front, Rear, Rear Right. For the position specific to your vehicle, refer to the Application tab.
Sensor Type Heated
Thread Size 18 x 1.5 mm
Wire Quantity 4
Fits Chevrolet, GMC, Hummer, Saab, Buick, Cadillac, and Isuzu · 283 vehicles

Heated sensor. Built for faster operation and more consistent readings.

Triangle connector. Simplifies matching the correct electrical connection.

OE heritage. Backed by decades of original-equipment experience.

Cross-references Bosch 15130, Bosch 15282 and DENSO Auto Parts 234-4243 for the same application. See all 23.

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Delphi ES20008 Oxygen Sensor Overview

The Delphi ES20008 is a heated oxygen sensor built for precise exhaust monitoring in a wide range of GM, Cadillac, Hummer, Saab, and Isuzu applications. With OE-based engineering and a 4-wire design, it supports accurate air-fuel feedback for vehicles such as the Chevrolet Silverado, GMC Sierra, and Chevrolet Trailblazer.

Delphi draws on more than 100 years of OE experience, and that heritage is reflected in the fit, connector design, and sensor construction of the ES20008.

Key Features

  • Heated oxygen sensor for faster operating temperature and stable signal output
  • 4-wire configuration with triangle connector shape
  • 18 x 1.5 mm thread size for direct-thread applications
  • 380.0 overall length for listed vehicle positions
  • Package includes the oxygen sensor and instruction sheet
  • Position-specific coverage for front, rear, and rear right applications

Detailed Description

The Delphi ES20008 oxygen sensor is engineered for vehicles that rely on accurate exhaust oxygen readings to manage fuel delivery and emissions performance. This part number, ES20008, is listed across multiple front and rear positions, including applications on the Chevrolet Caprice, Chevrolet Camaro, GMC Sierra 3500 HD, and Chevrolet Silverado 2500 HD. It also cross-references Bosch 15130 and DENSO Auto Parts 234-4243 for the same application.

Built with Delphi OE heritage and supplier knowledge, this heated sensor is a practical replacement for drivers addressing drivability or emissions-related concerns on compatible GM trucks, SUVs, and performance cars.

Vehicle Fitment Highlights

  • Fits 2014-2017 Chevrolet Caprice, Front
  • Fits 2010-2015 Chevrolet Camaro, Front
  • Fits 2007-2015 Chevrolet Silverado 3500 HD, Front
  • Fits 2008-2015 GMC Sierra 3500 HD, Front
  • Fits 2008-2009 Chevrolet Trailblazer, Rear Right
  • Fits 2003-2006 Chevrolet Silverado 1500, Front
  • Fits 2003-2006 GMC Sierra 1500, Front
  • Fits 2004-2006 Hummer H2, Front

What It Helps Address

  • Check engine lights related to oxygen sensor performance
  • Incorrect fuel mixture readings from a worn upstream or downstream sensor
  • Reduced emissions system accuracy on GM truck and SUV applications
  • Slow sensor response caused by age, heat cycling, or contamination
  • Rough idle or fuel trim issues tied to faulty exhaust feedback

Installation Notes and Tips

Confirm the exact position on your vehicle before ordering, since the ES20008 is used in front, rear, and rear right locations depending on application. Verify connector shape, thread size, and overall length against the original sensor before installation. For best results, compare the vehicle application tab with your existing part and follow the included instruction sheet during replacement.

Quality Assurance

Delphi builds aftermarket parts using OE experience and supplier knowledge developed over a century of working with major automakers. That background supports consistent fitment and sensor performance across the listed applications for the Delphi ES20008.

This part fits 283 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelBody TypeFuel TypePositionNotes
2017ChevroletCaprice———Front—
2017ChevroletSS———Front—
2016ChevroletCaprice———Front—
2016ChevroletExpress 2500———Rear—
2016ChevroletExpress 3500LT—FLEXRear—
2016ChevroletExpress 3500LS—FLEXRear—
2016ChevroletSS———Front—
2016GMCSavana 2500———Rear—
2016GMCSavana 3500LT——Rear—
2016GMCSavana 3500LS——Rear—
2016GMCSavana 3500Base—GASRear—
2015ChevroletCamaro———Front—
2015ChevroletCaprice———Front—
2015ChevroletExpress 2500———Rear—
2015ChevroletExpress 3500LT——Rear—
2015ChevroletExpress 3500LS——Rear—
2015ChevroletExpress 3500BaseStandard Cargo Van—Rear—
2015ChevroletExpress 3500BaseExtended Cargo Van—Rear—
2015ChevroletSilverado 3500 HDWTCab & Chassis—Front—
2015ChevroletSilverado 3500 HDLTCab & Chassis—Front—
2015ChevroletSS———Front—
2015GMCSavana 2500———Rear—
2015GMCSavana 3500LT——Rear—
2015GMCSavana 3500LS——Rear—
2015GMCSavana 3500BaseStandard Cargo Van—Rear—
2015GMCSavana 3500BaseExtended Cargo Van—Rear—
2015GMCSierra 3500 HDSLECab & Chassis—Front—
2015GMCSierra 3500 HDBaseCab & Chassis—Front—
2014ChevroletCamaro———Front—
2014ChevroletCaprice———Front—
2014ChevroletExpress 1500———Rear—
2014ChevroletExpress 2500———Rear—
2014ChevroletExpress 3500LT——Rear—
2014ChevroletExpress 3500LS——Rear—
2014ChevroletExpress 3500BaseStandard Cargo Van—Rear—
2014ChevroletExpress 3500BaseExtended Cargo Van—Rear—
2014ChevroletSilverado 3500 HDWTCab & Chassis—Front—
2014ChevroletSilverado 3500 HDLTCab & Chassis—Front—
2014ChevroletSS———Front—
2014GMCSavana 1500———Rear—
2014GMCSavana 2500———Rear—
2014GMCSavana 3500LT——Rear—
2014GMCSavana 3500LS——Rear—
2014GMCSavana 3500BaseStandard Cargo Van—Rear—
2014GMCSavana 3500BaseExtended Cargo Van—Rear—
2014GMCSierra 3500 HDWTCab & Chassis—Front—
2014GMCSierra 3500 HDSLECab & Chassis—Front—
2013ChevroletCamaro———Front—
2013ChevroletCorvette———Front—
2013ChevroletExpress 1500———Rear—
2013ChevroletExpress 2500———Rear—
2013ChevroletExpress 3500LT——Rear—
2013ChevroletExpress 3500LS——Rear—
2013ChevroletExpress 3500BaseStandard Cargo Van—Rear—
2013ChevroletExpress 3500BaseExtended Cargo Van—Rear—
2013ChevroletSilverado 3500 HD—Cab & Chassis—Front—
2013GMCSavana 1500———Rear—
2013GMCSavana 2500———Rear—
2013GMCSavana 3500LT——Rear—
2013GMCSavana 3500LS——Rear—
2013GMCSavana 3500BaseStandard Cargo Van—Rear—
2013GMCSavana 3500BaseExtended Cargo Van—Rear—
2013GMCSierra 3500 HDWTCab & Chassis—Front—
2013GMCSierra 3500 HDSLECab & Chassis—Front—
2012ChevroletCamaro———Front—
2012ChevroletColorado———Rear—
2012ChevroletCorvette———Front—
2012ChevroletExpress 1500———Rear—
2012ChevroletExpress 2500———Rear—
2012ChevroletExpress 3500LT——Rear—
2012ChevroletExpress 3500LS——Rear—
2012ChevroletExpress 3500BaseStandard Cargo Van—Rear—
2012ChevroletExpress 3500BaseExtended Cargo Van—Rear—
2012ChevroletSilverado 3500 HD—Cab & Chassis—Front—
2012GMCCanyon———Rear—
2012GMCSavana 1500———Rear—
2012GMCSavana 2500———Rear—
2012GMCSavana 3500LT——Rear—
2012GMCSavana 3500LS——Rear—
2012GMCSavana 3500BaseStandard Cargo Van—Rear—
2012GMCSavana 3500BaseExtended Cargo Van—Rear—
2012GMCSierra 3500 HDWTCab & Chassis—Front—
2012GMCSierra 3500 HDSLTCab & Chassis—Front—
2012GMCSierra 3500 HDSLECab & Chassis—Front—
2011ChevroletCamaro———Front—
2011ChevroletColorado———Rear—
2011ChevroletCorvette———Front—
2011ChevroletExpress 1500———Rear—
2011ChevroletExpress 2500———Rear—
2011ChevroletExpress 3500LT——Rear—
2011ChevroletExpress 3500LS——Rear—
2011ChevroletExpress 3500BaseStandard Cargo Van—Rear—
2011ChevroletExpress 3500BaseExtended Cargo Van—Rear—
2011ChevroletExpress 3500—Standard Cargo Van—Rear—
2011ChevroletExpress 3500—Extended Cargo Van—Rear—
2011ChevroletSilverado 3500 HDWTCab & Chassis—Front—
2011ChevroletSilverado 3500 HDLTCab & Chassis—Front—
2011GMCCanyon———Rear—
2011GMCSavana 1500———Rear—
2011GMCSavana 2500———Rear—
2011GMCSavana 3500LT——Rear—
2011GMCSavana 3500LS——Rear—
2011GMCSavana 3500BaseStandard Cargo Van—Rear—
2011GMCSavana 3500BaseExtended Cargo Van—Rear—
2011GMCSavana 3500—Standard Cargo Van—Rear—
2011GMCSavana 3500—Extended Cargo Van—Rear—
2011GMCSierra 3500 HDWTCab & Chassis—Front—
2011GMCSierra 3500 HDSLTCab & Chassis—Front—
2011GMCSierra 3500 HDSLECab & Chassis—Front—
2010ChevroletCamaro———Front—
2010ChevroletColorado———Rear—
2010ChevroletCorvette———Front—
2010ChevroletExpress 1500———Rear—
2010ChevroletExpress 2500———Rear—
2010ChevroletExpress 3500———Rear—
2010ChevroletSilverado 3500 HDLTZ——Frontwith Cab and Chassis
2010ChevroletSilverado 3500 HDLTCab & Chassis—Front—
2010GMCCanyon———Rear—
2010GMCSavana 1500———Rear—
2010GMCSavana 2500———Rear—
2010GMCSavana 3500———Rear—
2010GMCSierra 3500 HD—Cab & Chassis—Front—
2010HummerH3———Rear—
2010HummerH3T———Rear—
2009ChevroletColorado———Rear—
2009ChevroletCorvette———Front—
2009ChevroletExpress 1500———Rear—
2009ChevroletExpress 2500———Rear—
2009ChevroletExpress 3500———Rear—
2009ChevroletSilverado 3500 HD—Cab & Chassis—Front—
2009ChevroletTrailblazer———Rear Right—
2009GMCCanyon———Rear—
2009GMCEnvoy———Rear Right—
2009GMCSavana 1500———Rear—
2009GMCSavana 2500———Rear—
2009GMCSavana 3500———Rear—
2009GMCSierra 3500 HD—Cab & Chassis—Front—
2009HummerH3———Rear—
2009HummerH3T———Rear—
2009Saab9-7x———Rear Right—
2008ChevroletExpress 1500———Rear—
2008ChevroletExpress 2500———Rear—
2008ChevroletExpress 3500———Rear—
2008ChevroletSilverado 3500 HD—Cab & Chassis—Front—
2008ChevroletTrailblazer———Rear Right—
2008GMCEnvoy———Rear Right—
2008GMCSavana 1500———Rear—
2008GMCSavana 2500———Rear—
2008GMCSavana 3500———Rear—
2008GMCSierra 3500 HD—Cab & Chassis—Front—
2008HummerH3———Rear—
2008Saab9-7x———Rear Right—
2007BuickRainier———Rear—
2007ChevroletExpress 1500———Rearwith California Emission System
2007ChevroletExpress 1500———Rear—
2007ChevroletSilverado 1500 Classic———Front—
2007ChevroletSilverado 1500 HD Classic———Front—
2007ChevroletSilverado 2500 HD Classic———Rear Right—
2007ChevroletSilverado 2500 HD Classic———Front—
2007ChevroletSilverado 3500 Classic———Rear Right—
2007ChevroletSilverado 3500 Classic———Front—
2007ChevroletSilverado 3500 HD—Cab & Chassis—Front—
2007ChevroletTrailblazer———Rear—
2007GMCEnvoy———Rear—
2007GMCSavana 1500———Rearwith California Emission System
2007GMCSavana 1500———Rear—
2007GMCSierra 1500 Classic———Front—
2007GMCSierra 1500 HD Classic———Front—
2007GMCSierra 2500 HD Classic———Rear Right—
2007GMCSierra 2500 HD Classic———Front—
2007GMCSierra 3500 Classic———Rear Right—
2007GMCSierra 3500 Classic———Front—
2007GMCSierra 3500 HD—Cab & Chassis—Front41in Length
2007Saab9-7x———Rear—
2006BuickRainier———Rear2nd Design
2006CadillacEscalade———Front—
2006CadillacEscalade ESV———Front—
2006CadillacEscalade EXT———Front—
2006ChevroletAvalanche 2500———Rear Right—
2006ChevroletAvalanche 2500———Front—
2006ChevroletSilverado 1500———Front—
2006ChevroletSilverado 1500 HD———Front—
2006ChevroletSilverado 2500 HD———Rear Right—
2006ChevroletSilverado 2500 HD———Front—
2006ChevroletSilverado 3500———Rear Right—
2006ChevroletSilverado 3500———Front—
2006ChevroletSSR———Rear2nd Design
2006ChevroletSuburban 1500———Front—
2006ChevroletSuburban 2500———Rear Right—
2006ChevroletSuburban 2500———Front—
2006ChevroletTrailblazer———Rear2nd Design
2006ChevroletTrailblazer EXT———Rear2nd Design
2006GMCEnvoy———Rear2nd Design
2006GMCEnvoy XL———Rear2nd Design
2006GMCSierra 1500———Front—
2006GMCSierra 1500 HD———Front—
2006GMCSierra 2500 HD———Rear Right—
2006GMCSierra 2500 HD———Front—
2006GMCSierra 3500———Rear Right—
2006GMCSierra 3500———Front—
2006GMCYukon———Front—
2006GMCYukon XL 1500———Front—
2006GMCYukon XL 2500———Rear Right—
2006GMCYukon XL 2500———Front—
2006HummerH2———Front—
2006IsuzuAscender———Rear2nd Design
2006Saab9-7x———Rear2nd Design
2005CadillacEscalade———Front—
2005CadillacEscalade ESV———Front—
2005CadillacEscalade EXT———Front—
2005ChevroletAvalanche 2500———Rear Right—
2005ChevroletAvalanche 2500———Front—
2005ChevroletSilverado 1500SS——Front—
2005ChevroletSilverado 1500 HD———Front—
2005ChevroletSilverado 2500 HD———Rear Right—
2005ChevroletSilverado 2500 HD———Front—
2005ChevroletSilverado 3500———Rear Right—
2005ChevroletSilverado 3500———Front—
2005ChevroletSuburban 2500———Rear Right—
2005ChevroletSuburban 2500———Front—
2005GMCSierra 1500Denali——Front—
2005GMCSierra 1500 HD———Front—
2005GMCSierra 2500 HD———Rear Right—
2005GMCSierra 2500 HD———Front—
2005GMCSierra 3500———Rear Right—
2005GMCSierra 3500———Front—
2005GMCYukon———Front—
2005GMCYukon XL 1500———Front—
2005GMCYukon XL 2500———Rear Right—
2005GMCYukon XL 2500———Front—
2005HummerH2———Front—
2004CadillacEscalade———Front—
2004CadillacEscalade ESV———Front—
2004CadillacEscalade EXT———Front—
2004ChevroletAvalanche 2500———Rear Right—
2004ChevroletAvalanche 2500———Front—
2004ChevroletSilverado 1500SS——Front—
2004ChevroletSilverado 2500———Front—
2004ChevroletSilverado 2500 HD———Rear Right—
2004ChevroletSilverado 2500 HD———Front—
2004ChevroletSilverado 3500———Rear Right—
2004ChevroletSilverado 3500———Front—
2004ChevroletSuburban 2500———Rear Right—
2004ChevroletSuburban 2500———Front—
2004GMCSierra 1500Denali——Front—
2004GMCSierra 2500———Front—
2004GMCSierra 2500 HD———Rear Right—
2004GMCSierra 2500 HD———Front—
2004GMCSierra 3500———Rear Right—
2004GMCSierra 3500———Front—
2004GMCYukon———Front—
2004GMCYukon XL 1500———Front—
2004GMCYukon XL 2500———Rear Right—
2004GMCYukon XL 2500———Front—
2004HummerH2———Front—
2003CadillacEscalade———Front—
2003CadillacEscalade ESV———Front—
2003CadillacEscalade EXT———Front—
2003ChevroletAvalanche 2500———Rear Right—
2003ChevroletAvalanche 2500———Front—
2003ChevroletSilverado 1500SS——Front—
2003ChevroletSilverado 1500 HD———Front—
2003ChevroletSilverado 2500———Front—
2003ChevroletSilverado 2500 HD———Rear Right—
2003ChevroletSilverado 2500 HD———Front—
2003ChevroletSilverado 2500 HDLT——Front—
2003ChevroletSilverado 2500 HDLS——Front—
2003ChevroletSilverado 2500 HDBase——Front—
2003ChevroletSilverado 3500———Rear Right—
2003ChevroletSilverado 3500———Front—
2003ChevroletSuburban 2500———Rear Right—
2003ChevroletSuburban 2500———Front—
2003GMCSierra 1500———Front—
2003GMCSierra 1500 HD———Front—
2003GMCSierra 2500———Front—
2003GMCSierra 2500 HD———Rear Right—
2003GMCSierra 2500 HD———Front—
2003GMCSierra 3500———Rear Right—
2003GMCSierra 3500———Front—
2003GMCYukon———Front—
2003GMCYukon XL 1500———Front—
2003GMCYukon XL 2500———Rear Right—
2003GMCYukon XL 2500———Front—
Directly replaces or cross-references 23 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bosch — 15130Bosch — 15282DENSO Auto Parts — 234-4243DENSO Auto Parts — 234-4561DENSO Auto Parts — 234-4669Gates — 21059Gates — 21549Gates — 215768-19209-816-012 60 089312 60 9477213116112572705126099491261187012612571126173321920981625024491OS1820REA1193SG1066SU1516