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!

Please, add your first item to the wishlist

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!

Please, add your first item to the wishlist

Select vehicle to confirm fitment

Chevrolet Oxygen Sensor – Upstream – NTK 19178951

PART#: 21541
NTK
Interchanges
BrandPart #
Carquest75-1813 / 751813
ACDelco213-634 / 213634
ACDelco213-629 / 213629
BWDOS616
ACDelcoAFS48
DelphiES10047
Standard Motor ProductsSG204
DelphiES10447
General Motors97018587
BWDOS130
BWDOS129
General Motors25176705
Carquest75-1673 / 751673
Bosch15701
DelphiES10107
Standard Motor ProductsSG384
Isuzu8970622920
BWDOS1823
DENSO Auto Parts234-3004 / 2343004
ACDelco213-1230 / 2131230
Bosch13277
Standard Motor ProductsSG94
DelphiES10103
Bosch13010
ACDelco213-1658 / 2131658
BWDOS870
DelphiES10963
Isuzu8970185870
General Motors19178951
Suzuki1821356B00
BWDOS119
DENSO Auto Parts234-3074 / 2343074
DENSO Auto Parts234-3014 / 2343014
ACDelco213-2940 / 2132940
Standard Motor ProductsSG1069
Standard Motor ProductsSG411
Spectra PremiumOS5319
Carquest75-1572 / 751572
ACDelco213-9 / 2139
Fitments
YearMakeModelSubmodelEngineFuel TypePositionNote
1995SuzukiSidekickJX1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1995SuzukiSidekickJS1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1995SuzukiSidekickJLX1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1995IsuzuPickupS2.3L4GASUpstreamB1S1; OE Equivalent Design
1995IsuzuPickupS2.6L4GASUpstreamB1S1; OE Equivalent Design
1995IsuzuRodeoS2.6L4GASUpstreamB1S1; OE Equivalent Design
1995IsuzuRodeoLS2.6L4GASUpstreamB1S1; OE Equivalent Design
1995GeoTrackerBase1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1995GeoTrackerLSi1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1995HondaPassportDX2.6L4GASUpstreamB1S1; OE Equivalent Design
1994SuzukiSidekickJS1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1994SuzukiSidekickJX1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1994SuzukiSidekickJLX1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1994IsuzuAmigoS2.6L4GASUpstreamB1S1; OE Equivalent Design
1994IsuzuAmigoXS2.6L4GASUpstreamB1S1; OE Equivalent Design
1994IsuzuPickupS2.6L4GASUpstreamB1S1; OE Equivalent Design
1994IsuzuRodeoS2.6L4GASUpstreamB1S1; OE Equivalent Design
1994IsuzuRodeoLS2.6L4GASUpstreamB1S1; OE Equivalent Design
1994GeoTrackerLSi1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1994GeoTrackerBase1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1994HondaPassportDX2.6L4GASUpstreamB1S1; OE Equivalent Design
1993SuzukiSidekickJX1.6L4GASUpstreamB1S1; OE Equivalent Design; Soft Top
1993SuzukiSidekickJS1.6L4GASUpstreamB1S1; OE Equivalent Design; Soft Top
1993SuzukiSidekickJLX1.6L4GASUpstreamB1S1; OE Equivalent Design; Soft Top
1993IsuzuAmigoS2.6L4GASUpstreamB1S1; OE Equivalent Design
1993IsuzuAmigoXS2.6L4GASUpstreamB1S1; OE Equivalent Design
1993IsuzuPickupS2.6L4GASUpstreamB1S1; From 10/92; OE Equivalent Design | 4WD;
1993IsuzuRodeoS2.6L4GASUpstreamB1S1; From 11/92; OE Equivalent Design
1993IsuzuRodeoLS2.6L4GASUpstreamB1S1; From 11/92; OE Equivalent Design
1993GeoTrackerBase1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1993GeoTrackerLSi1.6L4GASUpstreamB1S1; Federal Emissions; OE Equivalent Design
1992SuzukiSidekickJS1.6L4GASUpstreamB1S1; OE Equivalent Design; Soft Top
1992SuzukiSidekickJX1.6L4GASUpstreamB1S1; OE Equivalent Design; Soft Top
1992SuzukiSidekickJLX1.6L4GASUpstreamB1S1; OE Equivalent Design; Soft Top
1992IsuzuImpulseRS1.6L4GASUpstreamB1S1; OE Equivalent Design
1992GeoTrackerLSi1.6L4GASUpstreamB1S1; OE Equivalent Design
1992GeoTrackerBase1.6L4GASUpstreamB1S1; OE Equivalent Design
1991SuzukiSidekickJX1.6L4GASUpstreamB1S1; OE Equivalent Design
1991SuzukiSidekickJL1.6L4GASUpstreamB1S1; OE Equivalent Design
1991SuzukiSidekickJLX1.6L4GASUpstreamB1S1; OE Equivalent Design
1991SuzukiSidekickJS1.6L4GASUpstreamB1S1; OE Equivalent Design
1991IsuzuImpulseXS1.6L4GASUpstreamB1S1; OE Equivalent Design
1991IsuzuImpulseRS1.6L4GASUpstreamB1S1; OE Equivalent Design
1991IsuzuStylusS1.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1991IsuzuStylusXS1.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1991GeoStorm2+21.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1991GeoStorm2+2 GSi1.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1991GeoStormBase1.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1991GeoTrackerBase1.6L4GASUpstreamB1S1; OE Equivalent Design
1991GeoTrackerLSi1.6L4GASUpstreamB1S1; OE Equivalent Design
1990IsuzuImpulseXS1.6L4GASUpstreamB1S1; OE Equivalent Design
1990GeoStormBase1.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1990GeoStorm2+21.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1990GeoStorm2+2 GSi1.6L4GASUpstreamB1S1; OE Equivalent Design | DOHC;
1985ChevroletCapriceClassic4.3V6GASUpstreamOE Equivalent Design
1985ChevroletEl CaminoSS4.3V6GASUpstreamOE Equivalent Design
1985ChevroletEl CaminoBase4.3V6GASUpstreamOE Equivalent Design
1985ChevroletEl CaminoConquista4.3V6GASUpstreamOE Equivalent Design
1985ChevroletImpalaBase4.3V6GASUpstreamOE Equivalent Design
1985ChevroletMonte CarloBase4.3V6GASUpstreamOE Equivalent Design
1985GMCCaballeroAmarillo4.3V6GASUpstreamOE Equivalent Design
1985GMCCaballeroDiablo4.3V6GASUpstreamOE Equivalent Design
1985GMCCaballeroBase4.3V6GASUpstreamOE Equivalent Design
1985PontiacParisienneBase4.3V6GASUpstreamOE Equivalent Design
1985PontiacParisienneBrougham4.3V6GASUpstreamOE Equivalent Design
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 Quantity3
Wiring Harness Length15.2500
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.

Free shipping Icon

FREE SHIPPING

Available on all kits, sets & Bison performance products