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Chevrolet GMC Oxygen Sensor 21543 – NTK
PART#: 21543
NTK
Interchanges
| Brand | Part # |
|---|
| Delphi | ES10084 |
| Delphi | ES10008 |
| DENSO Auto Parts | 234-4019 / 2344019 |
| Bosch | 13027 |
| CARQUEST | 75-1733 / 751733 |
| Spectra Premium | OS5049 |
| ACDelco | AFS93 |
| Standard Motor Products | SG280 |
| Standard Motor Products | SG1608 |
| General Motors | 19178942 |
| BWD | OS1074 |
| Standard Motor Products | SG478 |
| Delphi | ES20028 |
| ACDelco | AFS136 |
| General Motors | 19178934 |
| BWD | OS822 |
Fitments
| Year | Make | Model | Submodel | Engine | Fuel Type | Position | Note |
|---|---|---|---|---|---|---|---|
| 2002 | Chevrolet | Express 1500 | LT | 4.3V6 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 1500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 1500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 1500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 1500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 1500 | Base | 4.3V6 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 1500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 1500 | LT | 5.7V8 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 1500 | LT | 4.3V6 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 1500 | LS | 4.3V6 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 1500 | LS | 4.3V6 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 1500 | LT | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 2500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 2500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 2500 | Base | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | Chevrolet | Express 2500 | LS | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 2500 | Base | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 2500 | LS | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | Chevrolet | Express 2500 | LS | 4.3V6 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 2500 | LS | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 2500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 2500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 2500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 3500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 3500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 3500 | LS | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 3500 | Base | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 3500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | Chevrolet | Express 3500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2002 | Chevrolet | Express 3500 | LS | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | Chevrolet | Express 3500 | Base | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | GMC | Savana 1500 | SLT | 5.7V8 | GAS | Upstream Left | |
| 2002 | GMC | Savana 1500 | SLT | 4.3V6 | GAS | Upstream Left | |
| 2002 | GMC | Savana 1500 | SLT | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 1500 | Base | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 1500 | SLT | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 1500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2002 | GMC | Savana 1500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2002 | GMC | Savana 1500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 2500 | SLT | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 2500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2002 | GMC | Savana 2500 | Base | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | GMC | Savana 2500 | Base | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 2500 | SLT | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | GMC | Savana 2500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2002 | GMC | Savana 2500 | SLT | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 2500 | SLT | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 2500 | SLT | 4.3V6 | GAS | Upstream Left | |
| 2002 | GMC | Savana 2500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 2500 | SLT | 5.7V8 | GAS | Upstream Left | |
| 2002 | GMC | Savana 2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 3500 | Base | 5.7V8 | BI-FUEL | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 3500 | SLT | 5.7V8 | GAS | Upstream Left | |
| 2002 | GMC | Savana 3500 | Base | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | GMC | Savana 3500 | Base | 4.3V6 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 3500 | SLT | 5.7V8 | BI-FUEL | Upstream Left | |
| 2002 | GMC | Savana 3500 | SLT | 5.7V8 | BI-FUEL | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 3500 | SLT | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 3500 | SLT | 4.3V6 | GAS | Upstream Left | |
| 2002 | GMC | Savana 3500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2002 | GMC | Savana 3500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2002 | GMC | Savana 3500 | SLT | 4.3V6 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2002 | GMC | Savana 3500 | Base | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 1500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 1500 | LS | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 1500 | LT | 5.7V8 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 1500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 1500 | Base | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 1500 | LS | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 1500 | LT | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 1500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 1500 | LS | 4.3V6 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 1500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 1500 | LT | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 1500 | LT | 4.3V6 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 2500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 2500 | Base | 4.3V6 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 2500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 2500 | Base | 5.7V8 | CNG | Upstream Left | |
| 2001 | Chevrolet | Express 2500 | LS | 5.7V8 | CNG | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 2500 | Base | 5.7V8 | CNG | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 2500 | LS | 5.7V8 | CNG | Upstream Left | |
| 2001 | Chevrolet | Express 2500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 2500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 3500 | Base | 5.7V8 | CNG | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 3500 | LS | 5.7V8 | CNG | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 3500 | Base | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | Chevrolet | Express 3500 | LS | 5.7V8 | CNG | Upstream Left | |
| 2001 | Chevrolet | Express 3500 | Base | 5.7V8 | CNG | Upstream Left | |
| 2001 | Chevrolet | Express 3500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 3500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2001 | Chevrolet | Express 3500 | LS | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 1500 | SLT | 4.3V6 | GAS | Upstream Left | |
| 2001 | GMC | Savana 1500 | SLT | 5.7V8 | GAS | Upstream Left | |
| 2001 | GMC | Savana 1500 | SLT | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 1500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2001 | GMC | Savana 1500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2001 | GMC | Savana 1500 | Base | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 1500 | SLT | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 1500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 2500 | Base | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 2500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2001 | GMC | Savana 2500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 2500 | Base | 5.7V8 | BI-FUEL | Upstream Left | |
| 2001 | GMC | Savana 2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 2500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2001 | GMC | Savana 3500 | SLT | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 3500 | Base | 5.7V8 | BI-FUEL | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 3500 | SLT | 4.3V6 | GAS | Upstream Left | |
| 2001 | GMC | Savana 3500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2001 | GMC | Savana 3500 | SLT | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 3500 | SLT | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 3500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2001 | GMC | Savana 3500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 3500 | Base | 5.7V8 | BI-FUEL | Upstream Left | |
| 2001 | GMC | Savana 3500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2001 | GMC | Savana 3500 | SLT | 5.7V8 | BI-FUEL | Upstream Left | |
| 2001 | GMC | Savana 3500 | SLT | 5.7V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | C2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | C2500 | Base | 5.7V8 | CNG | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | C2500 | Base | 5.7V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | C2500 | LS | 5.7V8 | CNG | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | C2500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | C2500 | LS | 5.7V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | C2500 | Base | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | C2500 | LS | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | C3500 | Base | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | C3500 | LS | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | C3500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | C3500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | Express 1500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 1500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 1500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 1500 | LS | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 1500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 1500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 1500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 1500 | LS | 4.3V6 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 2500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 2500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 2500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 2500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 2500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 3500 | LS | 5.7V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 3500 | LS | 7.4V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 3500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 3500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | Chevrolet | Express 3500 | LS | 7.4V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | Chevrolet | Express 3500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 3500 | Base | 7.4V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Express 3500 | Base | 7.4V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | Chevrolet | K2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | K2500 | LS | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | K2500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | K2500 | Base | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | K3500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | K3500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | Chevrolet | K3500 | Base | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | K3500 | LS | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | Chevrolet | Silverado 2500 | Base | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | Chevrolet | Silverado 2500 | LS | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | Chevrolet | Silverado 2500 | LT | 6.0V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Silverado 2500 | Base | 6.0V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Silverado 2500 | LS | 6.0V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Silverado 2500 | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | Chevrolet | Suburban 2500 | LS | 6.0V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Suburban 2500 | LS | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | Chevrolet | Suburban 2500 | Base | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | Chevrolet | Suburban 2500 | LT | 6.0V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Suburban 2500 | Base | 6.0V8 | GAS | Upstream Left | |
| 2000 | Chevrolet | Suburban 2500 | LT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | GMC | C2500 | Sierra SLE | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SLT | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SLE | 5.7V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SLT | 5.7V8 | CNG | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SL | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SLE | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SL | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SL | 5.7V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SLE | 5.7V8 | CNG | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SLT | 5.7V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SL | 5.7V8 | CNG | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C2500 | Sierra SLT | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C3500 | Sierra SLT | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C3500 | Sierra SL | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C3500 | Sierra SLE | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C3500 | Sierra SL | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | C3500 | Sierra SLE | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | C3500 | Sierra SLT | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | K2500 | Sierra SLT | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | K2500 | Sierra SL | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | K2500 | Sierra SLE | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | K2500 | Sierra SLE | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | K2500 | Sierra SLT | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | K2500 | Sierra SL | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | K3500 | Sierra SLT | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | K3500 | Sierra SL | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | K3500 | Sierra SLE | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | K3500 | Sierra SLT | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | K3500 | Sierra SL | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
| 2000 | GMC | K3500 | Sierra SLE | 5.7V8 | GAS | Upstream Left | | Automatic; | Manual; |
| 2000 | GMC | Savana 1500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2000 | GMC | Savana 1500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2000 | GMC | Savana 1500 | SLE | 4.3V6 | GAS | Upstream Left | |
| 2000 | GMC | Savana 1500 | SLE | 5.7V8 | GAS | Upstream Left | |
| 2000 | GMC | Savana 1500 | Base | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 1500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 1500 | SLE | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 1500 | SLE | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 2500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2000 | GMC | Savana 2500 | SLE | 5.7V8 | GAS | Upstream Left | |
| 2000 | GMC | Savana 2500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2000 | GMC | Savana 2500 | Base | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 2500 | SLE | 5.7V8 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 2500 | Base | 4.3V6 | GAS | Upstream Right | B2S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 3500 | SLE | 4.3V6 | GAS | Upstream Left | |
| 2000 | GMC | Savana 3500 | SLE | 7.4V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | GMC | Savana 3500 | Base | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 3500 | Base | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 3500 | SLE | 7.4V8 | GAS | Upstream Left | |
| 2000 | GMC | Savana 3500 | Base | 7.4V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | GMC | Savana 3500 | Base | 5.7V8 | GAS | Upstream Left | |
| 2000 | GMC | Savana 3500 | SLE | 5.7V8 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 3500 | SLE | 5.7V8 | GAS | Upstream Left | |
| 2000 | GMC | Savana 3500 | SLE | 4.3V6 | GAS | Upstream Right | B1S1; GVW Over 8,500 Lbs; OE Equivalent Design |
| 2000 | GMC | Savana 3500 | Base | 4.3V6 | GAS | Upstream Left | |
| 2000 | GMC | Savana 3500 | Base | 7.4V8 | GAS | Upstream Left | |
| 2000 | GMC | Sierra 2500 | SL | 6.0V8 | GAS | Upstream Left | |
| 2000 | GMC | Sierra 2500 | SLT | 6.0V8 | GAS | Upstream Left | |
| 2000 | GMC | Sierra 2500 | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | GMC | Sierra 2500 | SL | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | GMC | Sierra 2500 | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | GMC | Sierra 2500 | SLE | 6.0V8 | GAS | Upstream Left | |
| 2000 | GMC | Yukon XL 2500 | SLE | 6.0V8 | GAS | Upstream Left | |
| 2000 | GMC | Yukon XL 2500 | SLT | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 2000 | GMC | Yukon XL 2500 | SLT | 6.0V8 | GAS | Upstream Left | |
| 2000 | GMC | Yukon XL 2500 | SLE | 6.0V8 | GAS | Upstream Right | B2S1; OE Equivalent Design |
| 1999 | Chevrolet | C1500 | LS | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; |
| 1999 | Chevrolet | C1500 | LS | 5.7V8 | GAS | Upstream Left | | Automatic; |
| 1999 | Chevrolet | C1500 Suburban | LS | 5.7V8 | GAS | Upstream Left | | Automatic; |
| 1999 | Chevrolet | C1500 Suburban | LS | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; |
| 1999 | Chevrolet | C1500 Suburban | LT | 5.7V8 | GAS | Upstream Left | | Automatic; |
| 1999 | Chevrolet | C1500 Suburban | Base | 5.7V8 | GAS | Upstream Left | | Automatic; |
| 1999 | Chevrolet | C1500 Suburban | Base | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; |
| 1999 | Chevrolet | C1500 Suburban | LT | 5.7V8 | GAS | Upstream Right | B2S1; OE Equivalent Design | Automatic; |
| 1999 | Chevrolet | C2500 | Base | 7.4V8 | GAS | Upstream Left | |
| 1999 | Chevrolet | C2500 | Base | 5.7V8 | CNG | Upstream Right | B2S1; OE Equivalent Design | Automatic; | Manual; |
Product info
The NTK Oxygen Sensor, part number 21543, is an essential component for your Chevrolet or GMC vehicle’s engine management system. This high-quality oxygen sensor ensures that your vehicle runs efficiently and reduces harmful emissions.
The NTK Oxygen Sensor, part number 21543, is designed with precision and accuracy, which makes it a reliable choice for your car. It is made from high-quality materials that are built to withstand harsh conditions and extreme temperatures, ensuring that it lasts longer and performs better than other oxygen sensors.
One of the primary benefits of the NTK Oxygen Sensor, part number 21543, is that it helps to improve fuel efficiency and reduce emissions. This means that you can save money on gas while also minimizing your environmental impact.
In addition to its fuel-saving benefits, the NTK Oxygen Sensor, part number 21543, is also easy to install and maintain. Its universal design ensures a perfect fit for your Chevrolet or GMC, and it comes with all the necessary hardware for a hassle-free installation.
The NTK Oxygen Sensor, part number 21543, is an essential component for your vehicle’s engine management system. It ensures that your car runs smoothly, reduces harmful emissions, and improves fuel efficiency. If you’re looking for a reliable and high-quality oxygen sensor, the NTK Oxygen Sensor, part number 21543, is an excellent choice for your Chevrolet or GMC vehicle.
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 | 14.7500 |
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.
