Need expert help? Reach out to us via live chat MON-SAT, 9AM to 5PM ET, for support. Our specialists are ready to assist you!
Select vehicle to confirm fitment
Cadillac Chevrolet GMC Hummer Oxygen Sensor 21549 – NTK
PART#: 21549
NTK
Interchanges
| Brand | Part # |
|---|
| BWD | OS1820 |
| General Motors | 12572705 |
| Spectra Premium | OS5056 |
| General Motors | 12617332 |
| CARQUEST | 75-2537 / 752537 |
| DENSO Auto Parts | 234-4669 / 2344669 |
| ACDelco | 213-1161 / 2131161 |
| Bosch | 15282 |
| Standard Motor Products | SG1066 |
| Delphi | ES20008 |
| ACDelco | 213-4408 / 2134408 |
Fitments
| Year | Make | Model | Submodel | Engine | Fuel Type | Position | Note |
|---|---|---|---|---|---|---|---|
| 2017 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design |
| 2017 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Left | |
| 2017 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Left | |
| 2017 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2016 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Left | |
| 2016 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design |
| 2016 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2016 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Left | |
| 2015 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | CNG | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | High Country | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | CNG | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | High Country | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | High Country | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Silverado 3500 HD | High Country | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2015 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2015 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2015 | Chevrolet | Camaro | Z/28 | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2015 | Chevrolet | Camaro | Z/28 | 7.0V8 | GAS | Upstream Left | |
| 2015 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Left | |
| 2015 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Left | |
| 2015 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design |
| 2015 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Left | |
| 2015 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Left | |
| 2015 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2015 | GMC | Sierra 3500 HD | SLE | 6.0V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Denali | 6.0V8 | CNG | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Base | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Denali | 6.0V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Denali | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Base | 6.0V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLE | 6.0V8 | CNG | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Base | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Base | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLT | 6.0V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLT | 6.0V8 | CNG | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Base | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Base | 6.0V8 | CNG | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | Denali | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2015 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2014 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Left | |
| 2014 | Chevrolet | SS | Base | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2014 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2014 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Left | |
| 2014 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Left | |
| 2014 | Chevrolet | Camaro | Z/28 | 7.0V8 | GAS | Upstream Left | |
| 2014 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2014 | Chevrolet | Camaro | Z/28 | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2014 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design |
| 2014 | Chevrolet | Caprice | PPV | 6.0V8 | FLEX | Upstream Left | |
| 2014 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | Denali | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | Denali | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2014 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2013 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2013 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Left | | Supercharged; |
| 2013 | Chevrolet | Corvette | 427 | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2013 | Chevrolet | Corvette | 427 | 7.0V8 | GAS | Upstream Left | |
| 2013 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Left | |
| 2013 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Supercharged; |
| 2013 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Left | |
| 2013 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Left | |
| 2013 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2013 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2013 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Left | |
| 2012 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Left | |
| 2012 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2012 | Chevrolet | Camaro | ZL1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2012 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2012 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Supercharged; |
| 2012 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Left | |
| 2012 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Left | | Supercharged; |
| 2012 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2012 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Left | |
| 2011 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2011 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Left | | Supercharged; |
| 2011 | Chevrolet | Corvette | Z06 Carbon | 7.0V8 | GAS | Upstream Left | |
| 2011 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Left | |
| 2011 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2011 | Chevrolet | Corvette | Z06 Carbon | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2011 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Supercharged; |
| 2011 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | Denali | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2011 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2010 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2010 | Chevrolet | Camaro | SS | 6.2V8 | GAS | Upstream Left | |
| 2010 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Supercharged; |
| 2010 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2010 | Chevrolet | Corvette | Z06 | 7.0V8 | GAS | Upstream Left | |
| 2010 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Left | | Supercharged; |
| 2010 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2010 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLE | 6.0V8 | FLEX | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2010 | GMC | Sierra 3500 HD | WT | 6.0V8 | FLEX | Upstream Left | | Cab & Chassis; |
| 2009 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Supercharged; |
| 2009 | Chevrolet | Corvette | ZR1 | 6.2V8 | GAS | Upstream Left | | Supercharged; |
| 2009 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2009 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2009 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2009 | Chevrolet | Silverado 3500 HD | LTZ | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2009 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2009 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2009 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2009 | GMC | Sierra 3500 HD | WT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2009 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2009 | GMC | Sierra 3500 HD | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2009 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2009 | GMC | Sierra 3500 HD | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
| 2008 | Chevrolet | Silverado 3500 HD | LT | 6.0V8 | GAS | Upstream Left | | Cab & Chassis; |
| 2008 | Chevrolet | Silverado 3500 HD | WT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Cab & Chassis; |
Product info
The NTK Oxygen Sensor part number 21549 is a high-quality replacement part designed to fit Cadillac, Chevrolet, GMC, and Hummer models. This sensor is perfect for those looking for a reliable and efficient oxygen sensor that will help improve their vehicle’s fuel efficiency and performance.
One of the key features of this oxygen sensor is its accuracy. With its advanced sensing technology, this sensor can accurately measure the oxygen levels in your vehicle’s exhaust stream and send precise readings to your vehicle’s engine control module.
Another benefit of the NTK Oxygen Sensor part number 21549 is its durability. Made from high-quality materials, this sensor is built to withstand the harsh conditions of your vehicle’s exhaust system, ensuring long-lasting performance and reliability.
This oxygen sensor is also easy to install, making it an ideal replacement part for those who prefer to do their own repairs. And with its compatibility with Cadillac, Chevrolet, GMC, and Hummer models, this part is a versatile solution for those who own multiple vehicles.
In summary, the NTK Oxygen Sensor part number 21549 offers accurate readings, durability, and easy installation for those looking to improve their vehicle’s fuel efficiency and performance.
Specifications
| California Proposition 65 | WARNING/Precaución: Cancer and Reproductive Harm - Cáncer y daño al sistema reproductivo - www.P65Warnings.ca.gov |
| Mounting Type | Threaded |
| Sensor Type | Heated |
| Thread Diameter | 18.000 |
| Universal Or Specific Fit | Specific |
| Wire Quantity | 4 |
| Wiring Harness Length | 15.0000 |
Warranty
We offer a 2-year warranty on all parts that we sell. If the part fails within 2 years of purchase, please contact us for instructions to replace it. The warranty does not cover normal wear and tear or improper installation. On many parts, we also offer Extend product protection, which is a way to add up to 3 additional years for 5 total years of worry free coverage. Select your preferred term length and you're covered!
Delivery & Returns
Delivery Info
Newparts.com is your go to store for all parts and accessories at the best price and delivered quickly. Every order we ship receives a tracking number so that you can watch it all the way until it reaches your door. We only ship using the major shipping carriers like FedEx, UPS and USPS to ensure quick and safe delivery of your new car parts order.
Returns Info
Newparts.com offers a thirty (30) day return for refund for all items purchased through Newparts.com. To qualify for return and refund, all items must be new and in their original manufacturers box. To initiate a return, please contact our customer service. This information is only a summary. Complete shipping and return policy information can be found in our web site policies.
