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Please, add your first item to the wishlist

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Oxygen Sensor – Upstream

PART#: 21577
NTK
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Oxygen Sensor - Upstream

$50.19

Select vehicle to confirm fitment

In stock

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Interchanges
BrandPart #
General Motors55584585
DENSO Auto Parts234-4780 / 2344780
General Motors55563348
DENSO Auto Parts234-4529 / 2344529
Bosch16122
Bosch16737
Bosch16734
ACDelco213-4764 / 2134764
General Motors55572993
General Motors55569903
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2021BuickEncorePreferred1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2021BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2021ChevroletTraxLT1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2021ChevroletTraxLS1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020BuickEncoreSport Touring1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020BuickEncorePreferred1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020BuickEncoreEssence1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020ChevroletTraxPremier1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020ChevroletTraxLT1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020ChevroletTraxLS1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2020ChevroletSonicPremier1.4L4GASUpstreamB1S1; OE Equivalent Design
2020ChevroletSonicLS1.4L4GASUpstreamB1S1; OE Equivalent Design
2020ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2019BuickEncoreSport Touring1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2019BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2019BuickEncorePreferred1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2019BuickEncoreEssence1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2019ChevroletTraxPremier1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2019ChevroletTraxLS1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2019ChevroletTraxLT1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2019ChevroletSonicPremier1.4L4GASUpstreamB1S1; OE Equivalent Design
2019ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2019ChevroletSonicLS1.4L4GASUpstreamB1S1; OE Equivalent Design
2018BuickEncorePreferred1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2018BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2018BuickEncorePremium1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2018BuickEncoreEssence1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2018BuickEncoreSport Touring1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2018BuickEncorePreferred II1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2018ChevroletSonicPremier1.4L4GASUpstreamB1S1; OE Equivalent Design
2018ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2018ChevroletTraxPremier1.4L4GASUpstreamB1S1; OE Equivalent Design
2018ChevroletTraxLS1.4L4GASUpstreamB1S1; OE Equivalent Design
2018ChevroletTraxLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2017BuickEncoreEssence1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2017BuickEncorePremium1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2017BuickEncoreSport Touring1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2017BuickEncorePreferred II1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2017BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2017BuickEncorePreferred1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2017ChevroletSonicPremier1.4L4GASUpstreamB1S1; OE Equivalent Design
2017ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2017ChevroletTraxPremier1.4L4GASUpstreamB1S1; OE Equivalent Design
2017ChevroletTraxLS1.4L4GASUpstreamB1S1; OE Equivalent Design
2017ChevroletTraxLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2016BuickEncoreLeather1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2016BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2016BuickEncoreConvenience1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2016BuickEncorePremium1.4L4GASUpstreamB1S1; OE Equivalent Design | Engine Code: LUV;
2016CadillacELRBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
2016ChevroletSonicRS1.4L4GASUpstreamB1S1; OE Equivalent Design
2016ChevroletSonicLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2016ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2016ChevroletTraxLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2016ChevroletTraxLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2016ChevroletTraxLS1.4L4GASUpstreamB1S1; OE Equivalent Design
2016ChevroletCruze LimitedLT1.4L4GASUpstreamB1S1; Carryover Model; OE Equivalent Design | Engine Code: LUV;
2016ChevroletCruze LimitedEco1.4L4GASUpstreamB1S1; Carryover Model; OE Equivalent Design | Engine Code: LUV;
2016ChevroletCruze LimitedLTZ1.4L4GASUpstreamB1S1; Carryover Model; OE Equivalent Design | Engine Code: LUV;
2015BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design
2015BuickEncoreLeather1.4L4GASUpstreamB1S1; OE Equivalent Design
2015BuickEncoreConvenience1.4L4GASUpstreamB1S1; OE Equivalent Design
2015BuickEncorePremium1.4L4GASUpstreamB1S1; OE Equivalent Design
2015CadillacELRBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
2015ChevroletCruzeEco1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletCruzeLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletCruzeLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletVoltBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
2015ChevroletSonicLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletSonicRS1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletTraxLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletTraxLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2015ChevroletTraxLS1.4L4GASUpstreamB1S1; OE Equivalent Design
2014BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design
2014BuickEncorePremium1.4L4GASUpstreamB1S1; OE Equivalent Design
2014BuickEncoreLeather1.4L4GASUpstreamB1S1; OE Equivalent Design
2014BuickEncoreConvenience1.4L4GASUpstreamB1S1; OE Equivalent Design
2014CadillacELRBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
2014ChevroletCruzeEco1.4L4GASUpstreamB1S1; OE Equivalent Design
2014ChevroletCruzeLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2014ChevroletCruzeLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2014ChevroletVoltBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
2014ChevroletSonicRS1.4L4GASUpstreamB1S1; OE Equivalent Design
2014ChevroletSonicLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2014ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2013BuickEncoreBase1.4L4GASUpstreamB1S1; OE Equivalent Design
2013BuickEncoreLeather1.4L4GASUpstreamB1S1; OE Equivalent Design
2013BuickEncoreConvenience1.4L4GASUpstreamB1S1; OE Equivalent Design
2013BuickEncorePremium1.4L4GASUpstreamB1S1; OE Equivalent Design
2013ChevroletVoltBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
2013ChevroletCruzeEco1.4L4GASUpstreamB1S1; OE Equivalent Design
2013ChevroletCruzeLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2013ChevroletCruzeLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2013ChevroletSonicRS1.4L4GASUpstreamB1S1; OE Equivalent Design
2013ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2013ChevroletSonicLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2012ChevroletCruzeLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2012ChevroletCruzeEco1.4L4GASUpstreamB1S1; OE Equivalent Design
2012ChevroletCruzeLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2012ChevroletVoltBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
2012ChevroletSonicLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2012ChevroletSonicLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2011ChevroletCruzeLTZ1.4L4GASUpstreamB1S1; OE Equivalent Design
2011ChevroletCruzeEco1.4L4GASUpstreamB1S1; OE Equivalent Design
2011ChevroletCruzeLT1.4L4GASUpstreamB1S1; OE Equivalent Design
2011ChevroletVoltBase1.4L4PLUG-IN HYBRID EV-GAS (PHEV)UpstreamB1S1; OE Equivalent Design
Product info

The NTK Oxygen Sensor part number 21577 is an essential component for your Buick, Cadillac or Chevrolet vehicle. This sensor is designed to monitor the amount of oxygen within the exhaust system to ensure optimal engine performance.

The NTK Oxygen Sensor 21577 is built with high-quality materials, making it a reliable and long-lasting component. Its precise measurements allow for accurate engine regulation, improving fuel efficiency and reducing emissions.

This oxygen sensor is easy to install, making it a hassle-free replacement part. Its compatibility with Buick, Cadillac and Chevrolet models ensures that it will fit perfectly and function effectively.

With the NTK Oxygen Sensor part number 21577, you can be confident that your vehicle is running efficiently and effectively. Its accurate measurements and reliability make it a must-have for any car enthusiast looking to optimize their vehicle’s performance.

Specifications
California Proposition 65WARNING/Precaución: Cancer and Reproductive Harm - Cáncer y daño al sistema reproductivo - www.P65Warnings.ca.gov
Mounting TypeThreaded
Sensor TypeHeated
Thread Diameter18.000
Universal Or Specific FitSpecific
Wire Quantity4
Wiring Harness Length20.7500
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

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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.

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