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Please, add your first item to the wishlist

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Oxygen Sensor – Downstream

PART#: 21550
NTK

$61.09

In stock

Interchanges
BrandPart #
Spectra PremiumOS5060
Bosch13490
ACDelcoAFS120
DelphiES10074
ACDelco213-957 / 213957
ACDelcoAFS121
DENSO Auto Parts234-4616 / 2344616
General Motors19178949
BWDOS1073
General Motors19178948
DelphiES10017
BWDOS821
BWDOS217
Bosch13614
Standard Motor ProductsSG331
Standard Motor ProductsSG275
DelphiES10067
ACDelcoAFS96
BWDOS230
DelphiES10071
DelphiES20139
Bosch13450
Bosch13492
BWDOS2433
General Motors19178929
General Motors12569553
ACDelcoAFS110
CARQUEST75-1772 / 751772
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
2002ChevroletCavalierLS2.4L4GASDownstreamB1S2; OE Equivalent Design
2002ChevroletCavalierZ242.4L4GASDownstreamB1S2; OE Equivalent Design
2002ChevroletCavalierLS Sport2.4L4GASDownstreamB1S2; OE Equivalent Design
2002PontiacSunfireGT2.4L4GASDownstreamB1S2; OE Equivalent Design
2002PontiacSunfireSE2.4L4GASDownstreamB1S2; OE Equivalent Design
2001ChevroletCavalierLS2.4L4GASDownstreamB1S2; OE Equivalent Design
2001ChevroletCavalierZ242.4L4GASDownstreamB1S2; OE Equivalent Design
2001PontiacSunfireSE2.4L4GASDownstreamB1S2; OE Equivalent Design
2001PontiacSunfireGT2.4L4GASDownstreamB1S2; OE Equivalent Design
2000ChevroletCavalierLS2.4L4GASDownstreamB1S2; OE Equivalent Design
2000ChevroletCavalierZ242.4L4GASDownstreamB1S2; OE Equivalent Design
2000PontiacSunfireSE2.4L4GASDownstreamB1S2; OE Equivalent Design
2000PontiacSunfireGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1999ChevroletCavalierLS2.4L4GASDownstreamB1S2; OE Equivalent Design
1999ChevroletCavalierZ242.4L4GASDownstreamB1S2; OE Equivalent Design
1999PontiacSunfireGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1999PontiacSunfireSE2.4L4GASDownstreamB1S2; OE Equivalent Design
1998BuickSkylarkCustom2.4L4GASDownstreamB1S2; OE Equivalent Design
1998BuickSkylarkCustom3.1V6GASDownstreamB1S2; OE Equivalent Design
1998ChevroletCavalierZ242.4L4GASDownstreamB1S2; OE Equivalent Design
1998ChevroletCavalierLS2.4L4GASDownstreamB1S2; OE Equivalent Design
1998OldsmobileAchievaS3.1V6GASDownstreamB1S2; OE Equivalent Design
1998OldsmobileAchievaS2.4L4GASDownstreamB1S2; OE Equivalent Design
1998OldsmobileCutlassBase3.1V6GASDownstreamB1S2; OE Equivalent Design
1998OldsmobileCutlassGLS3.1V6GASDownstreamB1S2; OE Equivalent Design
1998PontiacGrand AmGT3.1V6GASDownstreamB1S2; OE Equivalent Design
1998PontiacGrand AmGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1998PontiacGrand AmSE2.4L4GASDownstreamB1S2; OE Equivalent Design
1998PontiacGrand AmSE3.1V6GASDownstreamB1S2; OE Equivalent Design
1998PontiacSunfireGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1998PontiacSunfireSE2.4L4GASDownstreamB1S2; OE Equivalent Design
1997BuickSkylarkLimited2.4L4GASDownstreamB1S2; OE Equivalent Design
1997BuickSkylarkCustom3.1V6GASDownstreamB1S2; OE Equivalent Design
1997BuickSkylarkGran Sport3.1V6GASDownstreamB1S2; OE Equivalent Design
1997BuickSkylarkCustom2.4L4GASDownstreamB1S2; OE Equivalent Design
1997BuickSkylarkLimited3.1V6GASDownstreamB1S2; OE Equivalent Design
1997ChevroletCavalierZ242.4L4GASDownstreamB1S2; OE Equivalent Design
1997ChevroletCavalierLS2.4L4GASDownstreamB1S2; OE Equivalent Design
1997ChevroletCavalierBase2.2L4GASDownstreamB1S2; OE Equivalent Design
1997ChevroletCavalierLS2.2L4GASDownstreamB1S2; OE Equivalent Design
1997ChevroletCavalierRS2.2L4GASDownstreamB1S2; OE Equivalent Design
1997OldsmobileAchievaSC2.4L4GASDownstreamB1S2; OE Equivalent Design
1997OldsmobileAchievaSL2.4L4GASDownstreamB1S2; OE Equivalent Design
1997OldsmobileAchievaSC3.1V6GASDownstreamB1S2; OE Equivalent Design
1997OldsmobileAchievaSL3.1V6GASDownstreamB1S2; OE Equivalent Design
1997PontiacGrand AmSE3.1V6GASDownstreamB1S2; OE Equivalent Design
1997PontiacGrand AmGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1997PontiacGrand AmSE2.4L4GASDownstreamB1S2; OE Equivalent Design
1997PontiacGrand AmGT3.1V6GASDownstreamB1S2; OE Equivalent Design
1997PontiacSunfireSE2.4L4GASDownstreamB1S2; OE Equivalent Design
1997PontiacSunfireGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1997PontiacSunfireSE2.2L4GASDownstreamB1S2; OE Equivalent Design
1996BuickSkylarkGran Sport3.1V6GASDownstreamB1S2; OE Equivalent Design
1996BuickSkylarkOlympic Gold Edition3.1V6GASDownstreamB1S2; OE Equivalent Design
1996BuickSkylarkCustom3.1V6GASDownstreamB1S2; OE Equivalent Design
1996BuickSkylarkLimited3.1V6GASDownstreamB1S2; OE Equivalent Design
1996BuickSkylarkLimited2.4L4GASDownstreamB1S2; OE Equivalent Design
1996BuickSkylarkCustom2.4L4GASDownstreamB1S2; OE Equivalent Design
1996BuickSkylarkOlympic Gold Edition2.4L4GASDownstreamB1S2; OE Equivalent Design
1996ChevroletCavalierLS2.2L4GASDownstreamB1S2; OE Equivalent Design
1996ChevroletCavalierBase2.2L4GASDownstreamB1S2; OE Equivalent Design
1996ChevroletCavalierLS2.4L4GASDownstreamB1S2; OE Equivalent Design
1996ChevroletCavalierZ242.4L4GASDownstreamB1S2; OE Equivalent Design
1996OldsmobileAchievaS3.1V6GASDownstreamB1S2; OE Equivalent Design
1996OldsmobileAchievaSC3.1V6GASDownstreamB1S2; OE Equivalent Design
1996OldsmobileAchievaSL2.4L4GASDownstreamB1S2; OE Equivalent Design
1996OldsmobileAchievaS2.4L4GASDownstreamB1S2; OE Equivalent Design
1996OldsmobileAchievaSL3.1V6GASDownstreamB1S2; OE Equivalent Design
1996OldsmobileAchievaSC2.4L4GASDownstreamB1S2; OE Equivalent Design
1996PontiacGrand AmSE3.1V6GASDownstreamB1S2; OE Equivalent Design
1996PontiacGrand AmGT3.1V6GASDownstreamB1S2; OE Equivalent Design
1996PontiacGrand AmGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1996PontiacGrand AmSE2.4L4GASDownstreamB1S2; OE Equivalent Design
1996PontiacSunfireSE2.4L4GASDownstreamB1S2; OE Equivalent Design
1996PontiacSunfireGT2.4L4GASDownstreamB1S2; OE Equivalent Design
1996PontiacSunfireSE2.2L4GASDownstreamB1S2; OE Equivalent Design
1995ChevroletCavalierZ242.3L4GASDownstreamB1S2; OE Equivalent Design | Automatic;
1995PontiacSunfireGT2.3L4GASDownstreamB1S2; OE Equivalent Design | Automatic;
Product info

The NTK Oxygen Sensor, part number 21550, is an essential component for your Buick, Chevrolet, Oldsmobile, or Pontiac vehicle. This sensor is designed to measure the oxygen content in the exhaust gases and send the data to your engine’s computer for optimal fuel efficiency and emissions control.

The NTK Oxygen Sensor offers a range of benefits that make it stand out among other sensors in the market. One of the key benefits is its precision in measuring oxygen levels, which ensures that your vehicle runs at peak performance. The sensor’s durable construction also ensures a long lifespan, meaning that you won’t need to replace it frequently, saving you money in the long run.

The NTK Oxygen Sensor also features a simple installation process, which means you can have it installed in your vehicle quickly and easily. Designed with high-quality materials, it is corrosion-resistant, ensuring that it will continue to work effectively in harsh conditions.

The NTK Oxygen Sensor is compatible with a range of Buick, Chevrolet, Oldsmobile, and Pontiac models. So, if you own any of these vehicles, this sensor is an ideal choice for you. With its high level of accuracy, durability, and ease of installation, you can be sure that your vehicle is running efficiently and within emissions regulations.

In summary, the NTK Oxygen Sensor, part number 21550, is designed to offer precision, durability, and high performance. Its simple installation process, corrosion-resistant design, and compatibility with a range of Buick, Chevrolet, Oldsmobile, and Pontiac models make it an ideal choice for anyone looking for an effective oxygen sensor.

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 Length67.7500
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

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