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 21571 – NTK

PART#: 21571

NTK

Add to My Projects

+ 0 More

$53.09

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	16828
ACDelco	213-3858 / 2133858
Bosch	16938
General Motors	12634064
CARQUEST	75-3866 / 753866
General Motors	12597449
Bosch	16451
ACDelco	213-2823 / 2132823
Bosch	16449
ACDelco	213-4576 / 2134576
DENSO Auto Parts	234-4259 / 2344259
General Motors	12590035
CARQUEST	75-3564 / 753564
Bosch	16134
DENSO Auto Parts	234-4565 / 2344565
DENSO Auto Parts	234-4818 / 2344818
General Motors	12616203
General Motors	12640453
DENSO Auto Parts	234-4840 / 2344840
General Motors	12634085
ACDelco	213-3851 / 2133851
DENSO Auto Parts	234-4566 / 2344566
Bosch	16746
Suzuki	1821378J10
General Motors	12596688

Fitments

Year	Make	Model	Submodel	Engine	Fuel Type	Position	Note
2020	Chevrolet	Impala	LT	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2020	Chevrolet	Impala	Premier	3.6V6	GAS	Upstream Left
2020	Chevrolet	Impala	Premier	3.6V6	GAS	Downstream Right
2020	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Left
2020	Chevrolet	Impala	LT	3.6V6	GAS	Upstream Left
2020	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Right
2020	Chevrolet	Impala	Premier	3.6V6	GAS	Downstream Left
2020	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Left
2020	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Left
2020	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Right
2020	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2020	Chevrolet	Impala	Premier	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2020	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2020	Chevrolet	Impala	LT	3.6V6	GAS	Downstream Left
2020	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Left
2020	Chevrolet	Impala	LT	3.6V6	GAS	Downstream Right
2019	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Left
2019	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Left
2019	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Left
2019	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Left
2019	Cadillac	XTS	Base	3.6V6	GAS	Upstream Left
2019	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Right
2019	Cadillac	XTS	Base	3.6V6	GAS	Downstream Left
2019	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Left
2019	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Left
2019	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Left
2019	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Right
2019	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Right
2019	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Left
2019	Cadillac	XTS	Base	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Cadillac	XTS	Base	3.6V6	GAS	Downstream Right
2019	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Upstream Left
2019	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Downstream Left
2019	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Right
2019	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Downstream Right
2019	Cadillac	ATS	V	3.6V6	GAS	Downstream Left	\| Turbocharged;
2019	Cadillac	ATS	V	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2019	Cadillac	CTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2019	Cadillac	CTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Left	\| Turbocharged;
2019	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Left	\| Turbocharged;
2019	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2019	Chevrolet	Impala	LS	3.6V6	GAS	Downstream Left
2019	Chevrolet	Impala	Premier	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Chevrolet	Impala	LS	3.6V6	FLEX	Upstream Left
2019	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Left
2019	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Right
2019	Chevrolet	Impala	LT	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2019	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Left
2019	Chevrolet	Impala	Premier	3.6V6	GAS	Upstream Left
2019	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Left
2019	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Left
2019	Chevrolet	Impala	LT	3.6V6	GAS	Downstream Right
2019	Chevrolet	Impala	LS	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2019	Chevrolet	Impala	LS	3.6V6	FLEX	Downstream Right
2019	Chevrolet	Impala	Premier	3.6V6	GAS	Downstream Right
2019	Chevrolet	Impala	LS	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2019	Chevrolet	Impala	LS	3.6V6	GAS	Downstream Right
2019	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2019	Chevrolet	Impala	Premier	3.6V6	GAS	Downstream Left
2019	Chevrolet	Impala	LT	3.6V6	GAS	Downstream Left
2019	Chevrolet	Impala	LT	3.6V6	GAS	Upstream Left
2019	Chevrolet	Impala	LS	3.6V6	FLEX	Downstream Left
2019	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Right
2019	Chevrolet	Impala	LS	3.6V6	GAS	Upstream Left
2018	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2018	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Left
2018	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Left
2018	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Left
2018	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Left
2018	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Left
2018	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2018	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Left
2018	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Downstream Right
2018	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Right
2018	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Left
2018	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Right
2018	Cadillac	XTS	Base	3.6V6	GAS	Upstream Left
2018	Cadillac	XTS	Base	3.6V6	GAS	Downstream Left
2018	Cadillac	XTS	Base	3.6V6	GAS	Downstream Right
2018	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Right
2018	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2018	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Downstream Left
2018	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Upstream Left
2018	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Right
2018	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2018	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Left
2018	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2018	Cadillac	XTS	Base	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2018	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Left	\| Turbocharged;
2018	Cadillac	CTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Left	\| Turbocharged;
2018	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2018	Cadillac	CTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2018	Cadillac	ATS	V	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2018	Cadillac	ATS	V	3.6V6	GAS	Downstream Left	\| Turbocharged;
2018	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Right
2018	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2018	Chevrolet	Impala	LS	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2018	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2018	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Left
2018	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Left
2018	Chevrolet	Impala	LS	3.6V6	FLEX	Downstream Left
2018	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Left
2018	Chevrolet	Impala	LS	3.6V6	FLEX	Upstream Left
2018	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Left
2018	Chevrolet	Impala	LS	3.6V6	FLEX	Downstream Right
2018	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Right
2017	Buick	Enclave	Premium	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Buick	Enclave	Leather	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Buick	Enclave	Leather	3.6V6	GAS	Downstream Right
2017	Buick	Enclave	Premium	3.6V6	GAS	Downstream Right
2017	Buick	Enclave	Leather	3.6V6	GAS	Downstream Left
2017	Buick	Enclave	Leather	3.6V6	GAS	Upstream Left
2017	Buick	Enclave	Premium	3.6V6	GAS	Downstream Left
2017	Buick	Enclave	Convenience	3.6V6	GAS	Upstream Left
2017	Buick	Enclave	Convenience	3.6V6	GAS	Downstream Left
2017	Buick	Enclave	Convenience	3.6V6	GAS	Downstream Right
2017	Buick	Enclave	Premium	3.6V6	GAS	Upstream Left
2017	Buick	Enclave	Convenience	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	ATS	V	3.6V6	GAS	Downstream Left	\| Turbocharged;
2017	Cadillac	ATS	V	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2017	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2017	Cadillac	CTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Left	\| Turbocharged;
2017	Cadillac	CTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2017	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Left	\| Turbocharged;
2017	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Downstream Right
2017	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Left
2017	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Left
2017	Cadillac	XTS	Base	3.6V6	GAS	Upstream Left
2017	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Left
2017	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Right
2017	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Left
2017	Cadillac	XTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Right
2017	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Left
2017	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Right
2017	Cadillac	XTS	Vsport Premium Luxury	3.6V6	GAS	Upstream Left
2017	Cadillac	XTS	Base	3.6V6	GAS	Downstream Right
2017	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Left
2017	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Left
2017	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Right
2017	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	XTS	Vsport Premium Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Left
2017	Cadillac	XTS	Base	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	XTS	Vsport Premium Luxury	3.6V6	GAS	Downstream Left
2017	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Upstream Left
2017	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Downstream Left
2017	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Right
2017	Cadillac	XTS	Premium Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Cadillac	XTS	Base	3.6V6	GAS	Downstream Left
2017	Chevrolet	Caprice	PPV	3.6V6	FLEX	Downstream Left
2017	Chevrolet	Caprice	PPV	3.6V6	FLEX	Downstream Right
2017	Chevrolet	Caprice	PPV	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Caprice	PPV	3.6V6	FLEX	Upstream Left
2017	Chevrolet	Traverse	LS	3.6V6	GAS	Downstream Left
2017	Chevrolet	Traverse	LS	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Traverse	LS	3.6V6	GAS	Downstream Right
2017	Chevrolet	Traverse	LT	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Traverse	LT	3.6V6	GAS	Downstream Left
2017	Chevrolet	Traverse	LS	3.6V6	GAS	Upstream Left
2017	Chevrolet	Traverse	LT	3.6V6	GAS	Upstream Left
2017	Chevrolet	Traverse	Premier	3.6V6	GAS	Downstream Left
2017	Chevrolet	Traverse	LT	3.6V6	GAS	Downstream Right
2017	Chevrolet	Traverse	Premier	3.6V6	GAS	Upstream Left
2017	Chevrolet	Traverse	Premier	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Traverse	Premier	3.6V6	GAS	Downstream Right
2017	Chevrolet	Impala	LS	3.6V6	FLEX	Downstream Left
2017	Chevrolet	Impala	LT	3.6V6	BI-FUEL	Downstream Left
2017	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Right
2017	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Left
2017	Chevrolet	Impala	Premier	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Right
2017	Chevrolet	Impala	Premier	3.6V6	FLEX	Downstream Left
2017	Chevrolet	Impala	LT	3.6V6	BI-FUEL	Upstream Left
2017	Chevrolet	Impala	LT	3.6V6	FLEX	Upstream Left
2017	Chevrolet	Impala	LS	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Impala	LT	3.6V6	BI-FUEL	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Impala	LS	3.6V6	FLEX	Upstream Left
2017	Chevrolet	Impala	LS	3.6V6	BI-FUEL	Downstream Left
2017	Chevrolet	Impala	LS	3.6V6	FLEX	Downstream Right
2017	Chevrolet	Impala	LS	3.6V6	BI-FUEL	Upstream Left
2017	Chevrolet	Impala	LT	3.6V6	FLEX	Downstream Left
2017	Chevrolet	Impala	LT	3.6V6	BI-FUEL	Downstream Right
2017	Chevrolet	Impala	LS	3.6V6	BI-FUEL	Upstream Right	B1S1; OE Equivalent Design
2017	Chevrolet	Impala	LS	3.6V6	BI-FUEL	Downstream Right
2017	GMC	Acadia Limited	Base	3.6V6	GAS	Upstream Left
2017	GMC	Acadia Limited	Base	3.6V6	GAS	Upstream Right	B1S1; Carryover Model; OE Equivalent Design
2017	GMC	Acadia Limited	Base	3.6V6	GAS	Downstream Left
2017	GMC	Acadia Limited	Base	3.6V6	GAS	Downstream Right
2016	Buick	Enclave	Convenience	3.6V6	GAS	Upstream Left
2016	Buick	Enclave	Premium	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Buick	Enclave	Premium	3.6V6	GAS	Upstream Left
2016	Buick	Enclave	Premium	3.6V6	GAS	Downstream Left
2016	Buick	Enclave	Leather	3.6V6	GAS	Upstream Left
2016	Buick	Enclave	Convenience	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Buick	Enclave	Leather	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Buick	Enclave	Premium	3.6V6	GAS	Downstream Right
2016	Buick	Enclave	Convenience	3.6V6	GAS	Downstream Left
2016	Buick	Enclave	Leather	3.6V6	GAS	Downstream Left
2016	Buick	Enclave	Convenience	3.6V6	GAS	Downstream Right
2016	Buick	Enclave	Leather	3.6V6	GAS	Downstream Right
2016	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2016	Cadillac	CTS	Vsport Premium	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2016	Cadillac	CTS	Vsport	3.6V6	GAS	Downstream Left	\| Turbocharged;
2016	Cadillac	CTS	Vsport Premium	3.6V6	GAS	Downstream Left	\| Turbocharged;
2016	Cadillac	ATS	V	3.6V6	GAS	Downstream Left	\| Turbocharged;
2016	Cadillac	ATS	V	3.6V6	GAS	Downstream Right	B1S2; OE Equivalent Design \| Turbocharged;
2016	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Cadillac	XTS	Vsport Premium	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Cadillac	XTS	Base	3.6V6	GAS	Downstream Left
2016	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Left
2016	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Left
2016	Cadillac	XTS	Base	3.6V6	GAS	Upstream Left
2016	Cadillac	XTS	Premium	3.6V6	GAS	Upstream Left
2016	Cadillac	XTS	Premium	3.6V6	GAS	Downstream Left
2016	Cadillac	XTS	Platinum	3.6V6	GAS	Upstream Left
2016	Cadillac	XTS	Premium	3.6V6	GAS	Downstream Right
2016	Cadillac	XTS	Vsport Premium	3.6V6	GAS	Upstream Left
2016	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Left
2016	Cadillac	XTS	Livery	3.6V6	GAS	Downstream Right
2016	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Left
2016	Cadillac	XTS	Livery	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Cadillac	XTS	Base	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Cadillac	XTS	Vsport Premium	3.6V6	GAS	Downstream Left
2016	Cadillac	XTS	Base	3.6V6	GAS	Downstream Right
2016	Cadillac	XTS	Premium	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Right
2016	Cadillac	XTS	Luxury	3.6V6	GAS	Downstream Right
2016	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Upstream Right	B1S1; OE Equivalent Design
2016	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Left
2016	Cadillac	XTS	Vsport Platinum	3.6V6	GAS	Downstream Right
2016	Cadillac	XTS	Luxury	3.6V6	GAS	Upstream Left
2016	Cadillac	XTS	Vsport Premium	3.6V6	GAS	Downstream Right
2016	Cadillac	XTS	Platinum	3.6V6	GAS	Downstream Left
2016	Chevrolet	Caprice	PPV	3.6V6	FLEX	Upstream Left
2016	Chevrolet	Caprice	PPV	3.6V6	FLEX	Downstream Right
2016	Chevrolet	Caprice	PPV	3.6V6	FLEX	Downstream Left
2016	Chevrolet	Caprice	PPV	3.6V6	FLEX	Upstream Right	B1S1; OE Equivalent Design
2016	Chevrolet	Colorado	Z71	3.6V6	GAS	Upstream Left
2016	Chevrolet	Colorado	Z71	3.6V6	GAS	Downstream Right

Product info

The NTK Oxygen Sensor part number 21571 is designed to fit a variety of Buick, Cadillac, Chevrolet, and GMC vehicles and is compatible with part number 1821378J10. This high-quality sensor provides accurate data to your car’s engine control module, ensuring optimal fuel efficiency and reduced emissions.

One of the key features of the NTK Oxygen Sensor is its durable construction. Made from high-quality materials, this sensor is built to withstand extreme temperatures and harsh driving conditions, ensuring reliable performance over the long term.

Thanks to its advanced design, the NTK Oxygen Sensor is also incredibly accurate. It provides real-time data to your car’s engine control module, allowing it to adjust various systems to optimize fuel efficiency and reduce emissions. This can help you save money on gas while also reducing your environmental impact.

Whether you’re a professional mechanic or a DIY enthusiast, installing the NTK Oxygen Sensor is quick and easy. Simply follow the included instructions to remove your old sensor and install the NTK unit in its place. With its plug-and-play design, you’ll have your car up and running in no time.

Overall, the NTK Oxygen Sensor part number 21571 is an essential component for anyone looking to improve their car’s performance and reduce their environmental impact. With its durable construction, high accuracy, and ease of installation, this sensor is a smart investment for any car owner.

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	12.7500

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.

Oxygen Sensor 21571 – NTK

Delivery Info

Returns Info

FREE SHIPPING