



| SKU | NGK21549 |
| EAN | 87295215491 |
| Certifications | None |
NTK is the world's largest supplier and manufacturer of OEM oxygen sensors. Oxygen sensors play a critical role as part of the vehicle's on-board diagnostic system in maintaining optimal engine performance, maximizing fuel efficiency and reducing harmful emissions. Providing constant closed loop feedback to the ECU, oxygen sensors help to control the air-fuel ratio while alerting OBDII systems of possible problems with fuel delivery or catalytic converter efficiency. A ceramics company at our core, NTK uses state-of-the art technology enabling control of the ceramic element used in our oxygen sensors from raw material to finished product. Trust The Sensor Specialist for full-line market support and OE application technology.
This Part Fits:
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2003-2006 | Cadillac | Escalade | Base |
| 2003-2006 | Cadillac | Escalade ESV | Base |
| 2003-2006 | Cadillac | Escalade EXT | Base |
| 2003-2004 | Chevrolet | Avalanche 2500 | Base |
| 2005-2006 | Chevrolet | Avalanche 2500 | LS |
| 2005-2006 | Chevrolet | Avalanche 2500 | LT |
| 2010-2015 | Chevrolet | Camaro | SS |
| 2014-2015 | Chevrolet | Camaro | Z/28 |
| 2012-2015 | Chevrolet | Camaro | ZL1 |
| 2014-2017 | Chevrolet | Caprice | PPV |
| 2013 | Chevrolet | Corvette | 427 |
| 2010-2013 | Chevrolet | Corvette | Z06 |
| 2011 | Chevrolet | Corvette | Z06 Carbon |
| 2009-2013 | Chevrolet | Corvette | ZR1 |
| 2004-2005 | Chevrolet | Silverado 1500 | LS |
| 2004-2006 | Chevrolet | Silverado 1500 | LT |
| 2003-2006 | Chevrolet | Silverado 1500 | SS |
| 2005 | Chevrolet | Silverado 1500 | Z71 Off-Road |
| 2007 | Chevrolet | Silverado 1500 Classic | LT |
| 2007 | Chevrolet | Silverado 1500 Classic | SS |
| 2005 | Chevrolet | Silverado 1500 HD | Base |
| 2003,2005 | Chevrolet | Silverado 1500 HD | LS |
| 2003,2005-2006 | Chevrolet | Silverado 1500 HD | LT |
| 2007 | Chevrolet | Silverado 1500 HD Classic | LT |
| 2003-2004 | Chevrolet | Silverado 2500 | Base |
| 2003-2004 | Chevrolet | Silverado 2500 | LS |
| 2003-2004 | Chevrolet | Silverado 2500 | LT |
| 2004 | Chevrolet | Silverado 2500 | WT |
| 2003-2005 | Chevrolet | Silverado 2500 HD | Base |
| 2003-2006 | Chevrolet | Silverado 2500 HD | LS |
| 2003-2013 | Chevrolet | Silverado 2500 HD | LT |
| 2007-2013 | Chevrolet | Silverado 2500 HD | LTZ |
| 2003-2013 | Chevrolet | Silverado 2500 HD | WT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LS |
| 2007 | Chevrolet | Silverado 2500 HD Classic | LT |
| 2007 | Chevrolet | Silverado 2500 HD Classic | WT |
| 2003-2005 | Chevrolet | Silverado 3500 | Base |
| 2003-2006 | Chevrolet | Silverado 3500 | LS |
| 2003-2006 | Chevrolet | Silverado 3500 | LT |
| 2004,2006 | Chevrolet | Silverado 3500 | WT |
| 2007 | Chevrolet | Silverado 3500 Classic | LS |
| 2007 | Chevrolet | Silverado 3500 Classic | LT |
| 2007 | Chevrolet | Silverado 3500 Classic | WT |
| 2007-2015 | Chevrolet | Silverado 3500 HD | LT |
| 2007-2012,2014-2015 | Chevrolet | Silverado 3500 HD | LTZ |
| 2007-2015 | Chevrolet | Silverado 3500 HD | WT |
| 2014-2017 | Chevrolet | SS | Base |
| 2006 | Chevrolet | Suburban 1500 | LTZ |
| 2003-2006 | Chevrolet | Suburban 2500 | LS |
| 2003-2006 | Chevrolet | Suburban 2500 | LT |
| 2004 | GMC | Sierra 1500 | Base |
| 2003-2006 | GMC | Sierra 1500 | Denali |
| 2004-2006 | GMC | Sierra 1500 | SLE |
| 2004-2006 | GMC | Sierra 1500 | SLT |
| 2004 | GMC | Sierra 1500 | WT |
| 2007 | GMC | Sierra 1500 Classic | Denali |
| 2007 | GMC | Sierra 1500 Classic | SLE |
| 2007 | GMC | Sierra 1500 Classic | SLT |
| 2003,2005-2006 | GMC | Sierra 1500 HD | SLE |
| 2003,2005-2006 | GMC | Sierra 1500 HD | SLT |
| 2007 | GMC | Sierra 1500 HD Classic | SLE |
| 2007 | GMC | Sierra 1500 HD Classic | SLT |
| 2003-2004 | GMC | Sierra 2500 | Base |
| 2003-2004 | GMC | Sierra 2500 | SLE |
| 2003-2004 | GMC | Sierra 2500 | SLT |
| 2003-2004 | GMC | Sierra 2500 | WT |
| 2003-2005 | GMC | Sierra 2500 HD | Base |
| 2006 | GMC | Sierra 2500 HD | SL |
| 2003-2013 | GMC | Sierra 2500 HD | SLE |
| 2003-2013 | GMC | Sierra 2500 HD | SLT |
| 2003-2013 | GMC | Sierra 2500 HD | WT |
| 2007 | GMC | Sierra 2500 HD Classic | SL |
| 2007 | GMC | Sierra 2500 HD Classic | SLE |
| 2007 | GMC | Sierra 2500 HD Classic | SLT |
| 2007 | GMC | Sierra 2500 HD Classic | WT |
| 2003-2005 | GMC | Sierra 3500 | Base |
| 2006 | GMC | Sierra 3500 | SL |
| 2003-2006 | GMC | Sierra 3500 | SLE |
| 2003-2006 | GMC | Sierra 3500 | SLT |
| 2004-2006 | GMC | Sierra 3500 | WT |
| 2007 | GMC | Sierra 3500 Classic | SL |
| 2007 | GMC | Sierra 3500 Classic | SLE |
| 2007 | GMC | Sierra 3500 Classic | SLT |
| 2007 | GMC | Sierra 3500 Classic | WT |
| 2015 | GMC | Sierra 3500 HD | Base |
| 2007-2015 | GMC | Sierra 3500 HD | SLE |
| 2007-2015 | GMC | Sierra 3500 HD | SLT |
| 2007-2014 | GMC | Sierra 3500 HD | WT |
| 2003-2006 | GMC | Yukon | Denali |
| 2003-2006 | GMC | Yukon XL 1500 | Denali |
| 2003-2006 | GMC | Yukon XL 2500 | SLE |
| 2003-2006 | GMC | Yukon XL 2500 | SLT |
| 2003-2006 | Hummer | H2 | Base |
Customer reviews
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