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

Oxygen Sensor 21546 – NTK

PART#: 21546

NTK

Add to My Projects

+ 0 More

$40.49

Select vehicle to confirm fitment

In stock

Need help? Talk to us, or chat with an expert!

Add to My Projects

Interchanges

Brand	Part #

Bosch	15133
ACDelco	213-1687 / 2131687
General Motors	25180900
General Motors	12611127
General Motors	12569429
CARQUEST	75-3384 / 753384
Bosch	13786
ACDelco	213-1702 / 2131702
Standard Motor Products	SG1637
ACDelco	213-1530 / 2131530
General Motors	12607410
ACDelco	213-1699 / 2131699
ACDelco	213-4157 / 2134157
CARQUEST	75-3873 / 753873
ACDelco	213-3628 / 2133628
ACDelco	213-2827 / 2132827
General Motors	12573167
Standard Motor Products	SG1406
General Motors	12594452
Bosch	15161
Bosch	15155
DENSO Auto Parts	234-4342 / 2344342
Bosch	15201
General Motors	12590790
ACDelco	213-4403 / 2134403
Bosch	15156
Standard Motor Products	SG1416
Bosch	15284
DENSO Auto Parts	234-4765 / 2344765
Delphi	ES20013
ACDelco	213-1615 / 2131615
CARQUEST	75-3387 / 753387
General Motors	12584925
Standard Motor Products	SG1625
Standard Motor Products	SG1857
Bosch	15564
ACDelco	213-3866 / 2133866
CARQUEST	75-2539 / 752539
General Motors	12597878
Standard Motor Products	SG1631
General Motors	12580827
ACDelco	213-1693 / 2131693
Delphi	ES20007
Bosch	13779
Standard Motor Products	SG1633
CARQUEST	75-3686 / 753686
CARQUEST	75-3032 / 753032
ACDelco	213-3541 / 2133541
ACDelco	213-3237 / 2133237
Spectra Premium	OS5045
General Motors	12576131
CARQUEST	75-3702 / 753702
Bosch	15200
Isuzu	8125731670
General Motors	12583804
DENSO Auto Parts	234-4668 / 2344668
CARQUEST	75-3047 / 753047
Bosch	15548
General Motors	12587785
BWD	OS2239
BWD	OS1656
Bosch	15152
BWD	OS2240
General Motors	12596701
ACDelco	213-1568 / 2131568
BWD	OS2249
Bosch	15135
Standard Motor Products	SG1855
ACDelco	213-3528 / 2133528
ACDelco	213-4195 / 2134195
Standard Motor Products	SG902
CARQUEST	75-3872 / 753872
Standard Motor Products	SG1407
CARQUEST	75-3705 / 753705
CARQUEST	75-3706 / 753706

Fitments

Year	Make	Model	Submodel	Engine	Fuel Type	Position	Note
2015	Cadillac	CTS	V	6.2V8	GAS	Upstream Left
2015	Cadillac	CTS	V	6.2V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2015	Chevrolet	Spark	LS	1.2L4	GAS	Upstream	B1S1; OE Equivalent Design
2015	Chevrolet	Spark	LT	1.2L4	GAS	Upstream	B1S1; OE Equivalent Design
2014	Cadillac	CTS	V	6.2V8	GAS	Upstream Left
2014	Cadillac	CTS	V	6.2V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Left
2014	Cadillac	Escalade	Premium	6.2V8	FLEX	Upstream Left
2014	Cadillac	Escalade	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Left
2014	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Left
2014	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Left
2014	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade ESV	Premium	6.2V8	FLEX	Upstream Left
2014	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Left
2014	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade ESV	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Left
2014	Chevrolet	Spark	LS	1.2L4	GAS	Upstream	B1S1; OE Equivalent Design
2014	Chevrolet	Spark	LT	1.2L4	GAS	Upstream	B1S1; OE Equivalent Design
2014	Chevrolet	Suburban 1500	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Suburban 1500	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Suburban 1500	LS	5.3V8	FLEX	Upstream Left
2014	Chevrolet	Suburban 1500	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Suburban 1500	LTZ	5.3V8	FLEX	Upstream Left
2014	Chevrolet	Suburban 1500	LT	5.3V8	FLEX	Upstream Left
2014	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Tahoe	PPV	5.3V8	FLEX	Upstream Left
2014	Chevrolet	Tahoe	SSV	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Tahoe	SSV	5.3V8	FLEX	Upstream Left
2014	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Left
2014	Chevrolet	Tahoe	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Tahoe	PPV	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Tahoe	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	Chevrolet	Tahoe	LTZ	5.3V8	FLEX	Upstream Left
2014	Chevrolet	Tahoe	LT	5.3V8	FLEX	Upstream Left
2014	GMC	Yukon	Denali	6.2V8	FLEX	Upstream Left
2014	GMC	Yukon	SLT	5.3V8	FLEX	Upstream Left
2014	GMC	Yukon	SLE	5.3V8	FLEX	Upstream Left
2014	GMC	Yukon	SLT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	GMC	Yukon	SLE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	GMC	Yukon	Denali	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	GMC	Yukon XL 1500	SLT	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	GMC	Yukon XL 1500	SLT	6.2V8	FLEX	Upstream Left
2014	GMC	Yukon XL 1500	SLT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	GMC	Yukon XL 1500	SLE	5.3V8	FLEX	Upstream Left
2014	GMC	Yukon XL 1500	Denali	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2014	GMC	Yukon XL 1500	SLT	5.3V8	FLEX	Upstream Left
2014	GMC	Yukon XL 1500	Denali	6.2V8	FLEX	Upstream Left
2014	GMC	Yukon XL 1500	SLE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	CTS	V	6.2V8	GAS	Upstream Left
2013	Cadillac	CTS	V	6.2V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2013	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade	Premium	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade	Hybrid Platinum	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade	Hybrid Platinum	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2013	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade ESV	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade ESV	Premium	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade EXT	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade EXT	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Cadillac	Escalade EXT	Base	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade EXT	Premium	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade EXT	Luxury	6.2V8	FLEX	Upstream Left
2013	Cadillac	Escalade EXT	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Spark	LT	1.2L4	GAS	Upstream	B1S1; OE Equivalent Design
2013	Chevrolet	Spark	LS	1.2L4	GAS	Upstream	B1S1; OE Equivalent Design
2013	Chevrolet	Caprice	PPV	6.0V8	FLEX	Upstream Left
2013	Chevrolet	Caprice	PPV	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	WT	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	LTZ	6.2V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	WT	4.8V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	WT	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	WT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LT	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LS	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LT	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2013	Chevrolet	Silverado 1500	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LS	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	XFE	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LT	6.2V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	LTZ	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LT	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	XFE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Silverado 1500	LT	4.8V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	LTZ	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	LS	4.8V8	FLEX	Upstream Left
2013	Chevrolet	Silverado 1500	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Avalanche	Black Diamond LTZ	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Avalanche	Black Diamond LS	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Avalanche	Black Diamond LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Avalanche	Black Diamond LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Avalanche	Black Diamond LT	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Avalanche	Black Diamond LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Suburban 1500	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Suburban 1500	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Suburban 1500	LS	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Suburban 1500	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Suburban 1500	LTZ	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Suburban 1500	LT	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Suburban 2500	LS	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Suburban 2500	LS	6.0V8	FLEX	Upstream Left
2013	Chevrolet	Suburban 2500	LT	6.0V8	FLEX	Upstream Left
2013	Chevrolet	Suburban 2500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Tahoe	LT	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Tahoe	LTZ	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Tahoe	SSV	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Tahoe	PPV	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Tahoe	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Tahoe	PPV	5.3V8	FLEX	Upstream Left
2013	Chevrolet	Tahoe	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Tahoe	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2013	Chevrolet	Tahoe	SSV	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	Chevrolet	Tahoe	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	XFE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	WT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SLE	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	WT	4.8V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	XFE	5.3V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	SL	4.8V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	SLE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SLE	6.2V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	Denali	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SLT	6.2V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	Denali	6.2V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SLT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SLE	5.3V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	WT	5.3V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	SLE	4.8V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	SLE	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SL	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SL	5.3V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	SL	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	SLT	5.3V8	FLEX	Upstream Left
2013	GMC	Sierra 1500	SLT	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	WT	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Sierra 1500	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2013	GMC	Yukon	SLE	5.3V8	FLEX	Upstream Left
2013	GMC	Yukon	Denali	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon	SLE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon	SLT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon	Denali	6.2V8	FLEX	Upstream Left
2013	GMC	Yukon	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2013	GMC	Yukon	SLT	5.3V8	FLEX	Upstream Left
2013	GMC	Yukon	Denali Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2013	GMC	Yukon	Denali Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon XL 1500	SLT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon XL 1500	SLT	5.3V8	FLEX	Upstream Left
2013	GMC	Yukon XL 1500	SLE	5.3V8	FLEX	Upstream Left
2013	GMC	Yukon XL 1500	Denali	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon XL 1500	SLE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon XL 1500	Denali	6.2V8	FLEX	Upstream Left
2013	GMC	Yukon XL 2500	SLT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2013	GMC	Yukon XL 2500	SLT	6.0V8	FLEX	Upstream Left
2013	GMC	Yukon XL 2500	SLE	6.0V8	FLEX	Upstream Left
2013	GMC	Yukon XL 2500	SLE	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	CTS	V	6.2V8	GAS	Upstream Left
2012	Cadillac	CTS	V	6.2V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade	Hybrid Platinum	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2012	Cadillac	Escalade	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade	Premium	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2012	Cadillac	Escalade	Hybrid Platinum	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade ESV	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade ESV	Premium	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade EXT	Premium	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade EXT	Base	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Cadillac	Escalade EXT	Premium	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade EXT	Base	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade EXT	Luxury	6.2V8	FLEX	Upstream Left
2012	Cadillac	Escalade EXT	Luxury	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Malibu	LT	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2012	Chevrolet	Malibu	LTZ	3.6V6	GAS	Upstream Left
2012	Chevrolet	Malibu	LT	3.6V6	GAS	Upstream Left
2012	Chevrolet	Malibu	LTZ	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	LTZ	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	XFE	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	LS	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	LT	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	LTZ	6.2V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	XFE	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	LT	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	LT	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	WT	4.8V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	LS	4.8V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	WT	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	LS	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	LT	4.8V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	WT	4.8V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	LT	6.2V8	FLEX	Upstream Left
2012	Chevrolet	Silverado 1500	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Left
2012	Chevrolet	Silverado 1500	WT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	LTZ	6.2V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Silverado 1500	Hybrid	6.0V8	FULL HYBRID EV-FLEX (FHEV)	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Suburban 1500	LT	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Suburban 1500	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Suburban 1500	LTZ	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Suburban 1500	LS	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Suburban 1500	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Suburban 1500	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Suburban 2500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Suburban 2500	LS	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Suburban 2500	LT	6.0V8	FLEX	Upstream Left
2012	Chevrolet	Suburban 2500	LS	6.0V8	FLEX	Upstream Left
2012	Chevrolet	Tahoe	LTZ	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Tahoe	SSV	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Left
2012	Chevrolet	Tahoe	LT	5.3V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2012	Chevrolet	Tahoe	LTZ	5.3V8	FLEX	Upstream Left

Product info

The NTK Oxygen Sensor part number 21546 is a high-quality replacement part designed to fit perfectly in your Buick, Cadillac, Chevrolet or GMC vehicle. This part is compatible with part number 8125731670, ensuring a reliable and efficient performance.

Crafted with precision, this oxygen sensor offers excellent durability, ensuring a long lifespan for your vehicle. It comes with advanced sensing technology that helps to accurately measure the oxygen content in your vehicle’s exhaust gases. This information is then relayed to your vehicle’s engine control module, allowing it to adjust the air-fuel ratio and optimize engine performance.

One of the key benefits of this NTK Oxygen Sensor is its ability to enhance fuel efficiency. It is designed to work efficiently, reducing fuel consumption and emissions, making it an environmentally friendly solution. Additionally, it helps to improve engine performance and reduce engine wear, ultimately increasing the lifespan of your vehicle.

With easy installation, this NTK Oxygen Sensor part number 21546 is a cost-effective solution for all your oxygen sensor needs. It is the perfect choice for anyone looking to ensure their vehicle performs at its best. So, whether you’re a professional mechanic or a car enthusiast, this oxygen sensor is the perfect fit for your Buick, Cadillac, Chevrolet or GMC.

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	16.5000

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.

Oxygen Sensor 21546 – NTK

Delivery Info

Returns Info

FREE SHIPPING