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Cadillac Chevrolet GMC Oxygen Sensor 21581 – NTK

Name: Cadillac Chevrolet GMC Oxygen Sensor 21581 - NTK
Brand: NTK
Availability: OutOfStock

PART#: 21581

NTK

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Cadillac Chevrolet GMC Oxygen Sensor 21581 - NTK

$50.95

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Out of stock

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Interchanges

Brand	Part #

General Motors	12666612
General Motors	12659516

Fitments

Year	Make	Model	Submodel	Engine	Fuel Type	Position	Note
2020	Cadillac	Escalade	Base	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade	Premium Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade	Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade	Premium Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade	Platinum	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Premium Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Base	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Premium Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Platinum	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Cadillac	Escalade ESV	Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Express 3500	Base	4.3V6	GAS	Upstream Left
2020	Chevrolet	Express 3500	Base	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	Base	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LS	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LT	4.3V6	FLEX	Upstream Left
2020	Chevrolet	Express 3500	LS	4.3V6	GAS	Upstream Left
2020	Chevrolet	Express 3500	LT	6.0V8	FLEX	Upstream Left
2020	Chevrolet	Express 3500	LS	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LT	6.0V8	GAS	Upstream Left
2020	Chevrolet	Express 3500	LT	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LS	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LS	6.0V8	CNG	Upstream Left
2020	Chevrolet	Express 3500	LS	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LT	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LT	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	Base	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	Base	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	Base	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LS	6.0V8	GAS	Upstream Left
2020	Chevrolet	Express 3500	LS	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	Base	6.0V8	CNG	Upstream Left
2020	Chevrolet	Express 3500	LS	4.3V6	FLEX	Upstream Left
2020	Chevrolet	Express 3500	LS	6.0V8	FLEX	Upstream Left
2020	Chevrolet	Express 3500	LT	4.3V6	GAS	Upstream Left
2020	Chevrolet	Express 3500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	LT	6.0V8	CNG	Upstream Left
2020	Chevrolet	Express 3500	Base	4.3V6	FLEX	Upstream Left
2020	Chevrolet	Express 3500	LT	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 3500	Base	6.0V8	GAS	Upstream Left
2020	Chevrolet	Express 3500	Base	6.0V8	FLEX	Upstream Left
2020	Chevrolet	Express 2500	LT	6.0V8	CNG	Upstream Left
2020	Chevrolet	Express 2500	LS	6.0V8	FLEX	Upstream Left
2020	Chevrolet	Express 2500	LT	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LT	4.3V6	GAS	Upstream Left
2020	Chevrolet	Express 2500	LT	4.3V6	FLEX	Upstream Left
2020	Chevrolet	Express 2500	Base	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	Base	6.0V8	GAS	Upstream Left
2020	Chevrolet	Express 2500	Base	6.0V8	FLEX	Upstream Left
2020	Chevrolet	Express 2500	LS	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	Base	4.3V6	FLEX	Upstream Left
2020	Chevrolet	Express 2500	LT	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LS	6.0V8	CNG	Upstream Left
2020	Chevrolet	Express 2500	LS	4.3V6	GAS	Upstream Left
2020	Chevrolet	Express 2500	LS	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LT	6.0V8	FLEX	Upstream Left
2020	Chevrolet	Express 2500	Base	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LS	6.0V8	GAS	Upstream Left
2020	Chevrolet	Express 2500	Base	4.3V6	GAS	Upstream Left
2020	Chevrolet	Express 2500	Base	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LT	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	Base	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LS	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	Base	6.0V8	CNG	Upstream Left
2020	Chevrolet	Express 2500	LT	6.0V8	GAS	Upstream Left
2020	Chevrolet	Express 2500	Base	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LT	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LS	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LS	4.3V6	FLEX	Upstream Left
2020	Chevrolet	Express 2500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Express 2500	LS	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	Chevrolet	Suburban	Premier	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Suburban	Premier	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Suburban	Premier	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Suburban	LS	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Suburban	Premier	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Suburban	LT	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Suburban	LS	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Suburban	LT	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	Premier	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	PPV	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	LS	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	Premier	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	LT	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	LT	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	SSV	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	Premier	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	Chevrolet	Tahoe	Premier	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Savana 2500	Base	6.0V8	CNG	Upstream Left
2020	GMC	Savana 2500	Base	4.3V6	GAS	Upstream Left
2020	GMC	Savana 2500	LS	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LS	6.0V8	GAS	Upstream Left
2020	GMC	Savana 2500	LS	4.3V6	GAS	Upstream Left
2020	GMC	Savana 2500	LT	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LT	6.0V8	CNG	Upstream Left
2020	GMC	Savana 2500	Base	6.0V8	FLEX	Upstream Left
2020	GMC	Savana 2500	LS	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LT	4.3V6	FLEX	Upstream Left
2020	GMC	Savana 2500	LS	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LS	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LT	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	Base	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LT	6.0V8	FLEX	Upstream Left
2020	GMC	Savana 2500	LT	4.3V6	GAS	Upstream Left
2020	GMC	Savana 2500	LT	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LS	6.0V8	FLEX	Upstream Left
2020	GMC	Savana 2500	LS	4.3V6	FLEX	Upstream Left
2020	GMC	Savana 2500	Base	6.0V8	GAS	Upstream Left
2020	GMC	Savana 2500	Base	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	Base	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	Base	4.3V6	FLEX	Upstream Left
2020	GMC	Savana 2500	Base	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LS	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	LT	6.0V8	GAS	Upstream Left
2020	GMC	Savana 2500	LS	6.0V8	CNG	Upstream Left
2020	GMC	Savana 2500	LT	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 2500	Base	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	Base	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	Base	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LT	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LT	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	Base	4.3V6	FLEX	Upstream Left
2020	GMC	Savana 3500	Base	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LS	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LS	6.0V8	CNG	Upstream Left
2020	GMC	Savana 3500	Base	6.0V8	FLEX	Upstream Left
2020	GMC	Savana 3500	Base	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LS	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LS	6.0V8	GAS	Upstream Left
2020	GMC	Savana 3500	LS	4.3V6	FLEX	Upstream Left
2020	GMC	Savana 3500	LT	6.0V8	GAS	Upstream Left
2020	GMC	Savana 3500	LT	4.3V6	GAS	Upstream Left
2020	GMC	Savana 3500	Base	6.0V8	GAS	Upstream Left
2020	GMC	Savana 3500	LT	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	Base	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	Base	6.0V8	CNG	Upstream Left
2020	GMC	Savana 3500	Base	4.3V6	GAS	Upstream Left
2020	GMC	Savana 3500	LS	6.0V8	FLEX	Upstream Left
2020	GMC	Savana 3500	LS	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LS	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LS	4.3V6	GAS	Upstream Left
2020	GMC	Savana 3500	LT	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LS	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2020	GMC	Savana 3500	LT	6.0V8	CNG	Upstream Left
2020	GMC	Savana 3500	LT	6.0V8	FLEX	Upstream Left
2020	GMC	Savana 3500	LT	4.3V6	FLEX	Upstream Left
2020	GMC	Yukon XL	SLE	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon XL	SLT	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon XL	Denali	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon XL	SLT	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon XL	SLT	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon XL	Denali	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon XL	SLT	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon XL	SLE	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	Denali	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	SLE	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	SLT	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	SLT	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	SLT	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	Denali	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	SLT	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2020	GMC	Yukon	SLE	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Premium Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Platinum	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Platinum	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Base	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Premium Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Base	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade ESV	Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Platinum	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Premium Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Luxury	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Base	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Platinum	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Base	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Cadillac	Escalade	Premium Luxury	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	LS	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	LS	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	Premier	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	LT	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	LT	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	Premier	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	Premier	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Suburban	Premier	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	Premier	6.2V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	LS	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	LS	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	LT	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	PPV	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	Premier	5.3V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	Premier	6.2V8	GAS	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	Premier	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	LT	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Tahoe	SSV	5.3V8	FLEX	Upstream Left	B1S1; OE Equivalent Design
2019	Chevrolet	Silverado 1500 LD	WT	5.3V8	FLEX	Upstream Left
2019	Chevrolet	Silverado 1500 LD	Custom	5.3V8	GAS	Upstream Left
2019	Chevrolet	Silverado 1500 LD	LT	5.3V8	GAS	Upstream Left
2019	Chevrolet	Silverado 1500 LD	Custom	5.3V8	GAS	Upstream Right	LD/Legacy Models; B2S1; GMT-K2 Platform; OE Equivalent Design
2019	Chevrolet	Silverado 1500 LD	LT	5.3V8	GAS	Upstream Right	LD/Legacy Models; B2S1; GMT-K2 Platform; OE Equivalent Design
2019	Chevrolet	Silverado 1500 LD	Custom	5.3V8	FLEX	Upstream Right	LD/Legacy Models; B2S1; GMT-K2 Platform; OE Equivalent Design
2019	Chevrolet	Silverado 1500 LD	LT	5.3V8	FLEX	Upstream Left
2019	Chevrolet	Silverado 1500 LD	WT	5.3V8	GAS	Upstream Left
2019	Chevrolet	Silverado 1500 LD	WT	5.3V8	GAS	Upstream Right	LD/Legacy Models; B2S1; GMT-K2 Platform; OE Equivalent Design
2019	Chevrolet	Silverado 1500 LD	Custom	5.3V8	FLEX	Upstream Left
2019	Chevrolet	Silverado 1500 LD	WT	5.3V8	FLEX	Upstream Right	LD/Legacy Models; B2S1; GMT-K2 Platform; OE Equivalent Design
2019	Chevrolet	Silverado 1500 LD	LT	5.3V8	FLEX	Upstream Right	LD/Legacy Models; B2S1; GMT-K2 Platform; OE Equivalent Design
2019	Chevrolet	Express 3500	LS	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LT	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LS	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LT	4.3V6	FLEX	Upstream Left
2019	Chevrolet	Express 3500	Base	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	Base	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LT	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	Base	6.0V8	CNG	Upstream Left
2019	Chevrolet	Express 3500	Base	4.3V6	GAS	Upstream Left
2019	Chevrolet	Express 3500	LS	6.0V8	GAS	Upstream Left
2019	Chevrolet	Express 3500	LT	6.0V8	GAS	Upstream Left
2019	Chevrolet	Express 3500	LS	4.3V6	GAS	Upstream Left
2019	Chevrolet	Express 3500	Base	6.0V8	GAS	Upstream Left
2019	Chevrolet	Express 3500	LT	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	Base	4.3V6	FLEX	Upstream Left
2019	Chevrolet	Express 3500	Base	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LT	6.0V8	FLEX	Upstream Left
2019	Chevrolet	Express 3500	LT	4.3V6	GAS	Upstream Left
2019	Chevrolet	Express 3500	Base	6.0V8	FLEX	Upstream Left
2019	Chevrolet	Express 3500	Base	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	Base	6.0V8	CNG	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LS	6.0V8	FLEX	Upstream Left
2019	Chevrolet	Express 3500	LS	4.3V6	FLEX	Upstream Left
2019	Chevrolet	Express 3500	LS	4.3V6	GAS	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LT	6.0V8	GAS	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LS	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LS	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LS	6.0V8	CNG	Upstream Left
2019	Chevrolet	Express 3500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 3500	LT	6.0V8	CNG	Upstream Left
2019	Chevrolet	Express 2500	Base	6.0V8	FLEX	Upstream Left
2019	Chevrolet	Express 2500	LT	4.3V6	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 2500	LT	6.0V8	FLEX	Upstream Right	B2S1; OE Equivalent Design
2019	Chevrolet	Express 2500	LT	6.0V8	CNG	Upstream Left

Product info

The NTK Oxygen Sensor with part number 21581 is a high-quality replacement part for your Cadillac, Chevrolet, or GMC vehicle. This sensor is designed to improve the performance and efficiency of your vehicle’s engine, ensuring optimal fuel economy and reduced emissions.

One of the key features of the NTK Oxygen Sensor is its precision-engineered construction. The sensor is built to exacting standards, using high-quality materials that are designed to withstand the rigors of daily use. This means that you can be confident in the durability and reliability of this replacement part.

Another important benefit of the NTK Oxygen Sensor is its ability to accurately measure the oxygen levels in your vehicle’s exhaust system. This information is then transmitted to your vehicle’s onboard computer, which uses it to adjust the fuel mixture and optimize engine performance. This not only helps to reduce emissions, but it also ensures that your vehicle is running at peak efficiency.

The NTK Oxygen Sensor with part number 21581 is easy to install, and can be used by both professional mechanics and DIY enthusiasts. It is designed to be a direct replacement for your vehicle’s original part, so installation is quick and straightforward.

Overall, if you’re looking for a reliable and high-quality replacement oxygen sensor for your Cadillac, Chevrolet, or GMC vehicle, the NTK Oxygen Sensor with part number 21581 is an excellent choice. With its precision-engineered construction, accurate measurements, and easy installation, it’s the perfect way to improve the performance and efficiency of your vehicle’s engine.

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	13.7500

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.

Cadillac Chevrolet GMC Oxygen Sensor 21581 – NTK

Delivery Info

Returns Info

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