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1994 GMC K2500
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Lifetime Replacement
1994 GMC K2500

Oxygen Sensors

Some telltale signs that your oxygen sensor is starting to fail include the check engine light coming on, poor fuel economy, and the engine running rough. Get a replacement as soon as you confirm that your oxygen sensor is bad. The great news is that here at CarParts.com, we have an oxygen sensor replacement for every application (upstream, downstream, before/after the catalytic converter, etc.). Choose from our wide range of high-quality O2 sensors manufactured by the most reputable names in the industry.
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Before Catalytic Converter, Driver or Passenger Side Oxygen Sensor, 1-Wire, Unheated
DriveWire
Before Catalytic Converter, Driver or Passenger Side Oxygen Sensor, 1-Wire, Unheated
Part Number: ARBC960901
Guaranteed to Fit
$18.19
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L80-E
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L Manual Transmission
  • 1994 GMC K2500 Sierra SL 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Manual Transmission
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L80-E
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L Manual Transmission
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L80-E
Product Details
Location : Before Catalytic ConverterType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 18.25 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25021001Connector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return Policy
Before Catalytic Converter Oxygen Sensors, (5.0L/5.7L, Automatic/Manual Transmission)/7.4L Engine, 1-Wire, Non-Heated, 1-Wire, Non-Heated, Set Of 2
DriveWire
Before Catalytic Converter Oxygen Sensors, (5.0L/5.7L, Automatic/Manual Transmission)/7.4L Engine, 1-Wire, Non-Heated, 1-Wire, Non-Heated, Set Of 2
Part Number: SET-ARBC960901
Guaranteed to Fit
$19.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 7.4L Engine VIN: N, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Engine VIN: H, FI, Naturally Aspirated, GAS, Standard Transmission
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L Engine VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, TransmissionMFRcode: 4L80-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 7.4L Engine VIN: N, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SLE 8 Cyl 7.4L Engine VIN: N, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Engine VIN: H, FI, Naturally Aspirated, GAS, Automatic Transmission, TransmissionMFRcode: 4L80-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L Engine VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, TransmissionMFRcode: 4L80-E
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L Engine VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, TransmissionMFRcode: 4L80-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Engine VIN: H, FI, Naturally Aspirated, GAS, Automatic Transmission, TransmissionMFRcode: 4L80-E
Product Details
Location : Before Catalytic ConverterComponents : (2) Oxygen SensorsType : 1-wireQuantity Sold : Set of 2Product Fit : Direct FitWire Length : 18.25 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeConnector Gender : Male ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return Policy
Before Catalytic Converter, Driver or Passenger Side Oxygen Sensor, 3-Wire, Heated
DriveWire
Before Catalytic Converter, Driver or Passenger Side Oxygen Sensor, 3-Wire, Heated
Part Number: ARBP960918
Guaranteed to Fit
$20.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L60-E
Product Details
Location : Before Catalytic ConverterType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.75 in. Wire LengthThread Size : M18-1.5 Thread SizeMounting Style : Threaded-in Mounting StyleHex Size : 7/8 in. Hex SizeInterchange Part Number : 25023005Connector Gender : Female ConnectorWarranty : 1-year DriveWire unlimited-mileage warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Returns Policy : 30-Day Return Policy
Before Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 1-wire
Walker Products®
Before Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 1-wire
Part Number: 25021001
Guaranteed to Fit
$31.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L80-E
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L Manual Transmission
  • 1994 GMC K2500 Sierra SL 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Manual Transmission
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L80-E
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L Manual Transmission
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L80-E
Product Details
Location : Before Catalytic ConverterNotes : Non-HeatedType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.57 in. Wire LengthReplaces OE Number : 8990741, 8990741Interchange Part Number : ARBC960901Warranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
Oxygen Sensor, Sold individually 1-wire
Delphi®
Oxygen Sensor, Sold individually 1-wire
Part Number: DELES10966
Guaranteed to Fit
$25.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 7.4L With 320mm Overall Length
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L transmissionmfrcode : NV3500/MG5, With 320mm Overall Length
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L transmissionmfrcode : 4L80-E, With 320mm Overall Length
  • 1994 GMC K2500 Sierra SL 8 Cyl 7.4L With 320mm Overall Length
  • 1994 GMC K2500 Sierra SLE 8 Cyl 7.4L With 320mm Overall Length
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L transmissionmfrcode : NV3500/MG5, With 320mm Overall Length
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L transmissionmfrcode : 4L80-E, With 320mm Overall Length
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L transmissionmfrcode : 4L80-E, With 320mm Overall Length
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L transmissionmfrcode : MT8, With 320mm Overall Length
Product Details
Type : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.60 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 12014, 2341000Warranty : 1-year or 12,000-mile Delphi limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Oxygen Sensor, Sold individually 3-wire
Denso®
Oxygen Sensor, Sold individually 3-wire
Part Number: NP2343000
Guaranteed to Fit
$42.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L O.E. Quality Universal Replacement Sensor
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L O.E. Quality Universal Replacement Sensor
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L 3 Lead Sensor
Product Details
Location : Before Catalytic ConverterType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 13942Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

OE Replacement Series Oxygen Sensor, Sold individually 1-wire
Bosch®
OE Replacement Series Oxygen Sensor, Sold individually 1-wire
Part Number: BS11027
Guaranteed to Fit
$20.99
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 7.4L OE manufactured part
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Transmissionmfrcode : NV3500/MG5; OE Manufactured Part
  • 1994 GMC K2500 Sierra SL 8 Cyl 7.4L OE manufactured part
  • 1994 GMC K2500 Sierra SLE 8 Cyl 7.4L OE manufactured part
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Transmissionmfrcode : NV3500/MG5; OE Manufactured Part
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L OE Manufactured Part; With 1 Wire Leads
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Transmissionmfrcode : NV3500/MG5; OE Manufactured Part
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L OE Manufactured Part; With 1 Wire Leads
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L OE Manufactured Part; With 1 Wire Leads
Product Details
Location : Before Catalytic ConverterType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 12014, 2341000Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsSeries : OE Replacement Series
Before Catalytic Converter Oxygen Sensor, Sold individually 3-wire
NTK®
Before Catalytic Converter Oxygen Sensor, Sold individually 3-wire
Part Number: NG21003
Guaranteed to Fit
$29.99
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L 3 Lead Sensor
Product Details
Location : Before Catalytic ConverterNotes : Heated Sensor TypeType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.75 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 2343090, 13077Warranty : NGK limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Upstream OE Replacement Series Oxygen Sensor, Sold individually 3-wire
Bosch®
Upstream OE Replacement Series Oxygen Sensor, Sold individually 3-wire
Part Number: BS13077
Guaranteed to Fit
$31.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Transmissionmfrcode : 4L60-E; OE Manufactured Part
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L OE manufactured part
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L OE Manufactured Part; With 3 Wires
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L OE Manufactured Part; With 3 Wires
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L OE Manufactured Part; With 3 Wires
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L OE manufactured part
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Transmissionmfrcode : 4L60-E; OE Manufactured Part
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Transmissionmfrcode : 4L60-E; OE Manufactured Part
Product Details
Location : UpstreamType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 2343090Warranty : 1-year Bosch limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Promotions : European Vehicle PartsSeries : OE Replacement Series
Before Catalytic Converter Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 3-wire
Walker Products®
Before Catalytic Converter Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 3-wire
Part Number: WKP35033003
Guaranteed to Fit
$34.99
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Eng. VIN: H, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L Eng. VIN: Z, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L Eng. VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L Eng. VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L Eng. VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L Eng. VIN: Z, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Eng. VIN: H, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Eng. VIN: H, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L60-E
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
Before Catalytic Converter Oxygen Sensor, Sold individually 3-wire
Denso®
Before Catalytic Converter Oxygen Sensor, Sold individually 3-wire
Part Number: NP2343005
Guaranteed to Fit
$43.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L O.E. Quality Replacement Sensor
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L O.E. Quality Replacement Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L 3 Lead Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L 3 Lead Sensor
Product Details
Location : Before Catalytic ConverterType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitInterchange Part Number : 2343090, 13077Warranty : 1-year Denso limited WarrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Before Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 3-wire
Walker Products®
Before Catalytic Converter Walker Products Original Equipment Base Sensor Oxygen Sensor, Sold individually 3-wire
Part Number: 25023005
Guaranteed to Fit
$41.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L60-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Automatic Transmission, transmissionmfrcode : 4L60-E
Product Details
Location : Before Catalytic ConverterNotes : HeatedType : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.8 in. Wire LengthInterchange Part Number : ARBP960918Warranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Original Equipment Base Sensor
Oxygen Sensor, Sold individually 3-wire
Delphi®
Oxygen Sensor, Sold individually 3-wire
Part Number: DELES10005
Guaranteed to Fit
$44.99
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L transmissionmfrcode : 4L60-E, With 325mm Overall Length
  • 1994 GMC K2500 Sierra SL 6 Cyl 4.3L With 325mm Overall Length
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L transmissionmfrcode : 4L60-E, With 325mm Overall Length
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L transmissionmfrcode : 4L60-E, With 325mm Overall Length
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L transmissionmfrcode : 4L60-E, With 325mm Overall Length
  • 1994 GMC K2500 Sierra SLE 6 Cyl 4.3L With 325mm Overall Length
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L transmissionmfrcode : 4L60-E, With 325mm Overall Length
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L transmissionmfrcode : 4L60-E, With 325mm Overall Length
Product Details
Type : 3-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 12.80 in. Wire LengthThread Size : 18 x 1.5 mm Thread SizeInterchange Part Number : 2343090, 13077Warranty : 1-year or 12,000-mile Delphi limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Before Catalytic Converter Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 1-wire
Walker Products®
Before Catalytic Converter Walker Products Aftermarket Base Sensor Oxygen Sensor, Sold individually 1-wire
Part Number: WKP35031027
Guaranteed to Fit
$17.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 7.4L Eng. VIN: N, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L Eng. VIN: H, FI, Naturally Aspirated, GAS, Manual Transmission
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L Eng. VIN: K, FI, Naturally Aspirated, GAS, Manual Transmission
  • 1994 GMC K2500 Sierra SL 8 Cyl 7.4L Eng. VIN: N, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SLE 8 Cyl 7.4L Eng. VIN: N, FI, Naturally Aspirated, GAS
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L Eng. VIN: H, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L80-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L Eng. VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L80-E
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L Eng. VIN: K, FI, Naturally Aspirated, GAS, Automatic Transmission, transmissionmfrcode : 4L80-E
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L Eng. VIN: H, FI, Naturally Aspirated, GAS, Manual Transmission
Product Details
Location : Before Catalytic ConverterNotes : Non-HeatedType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 14.57 in. Wire LengthWarranty : 90-day Walker Products limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Series : Walker Products Aftermarket Base Sensor
Before Catalytic Converter Oxygen Sensor, Sold individually 1-wire
NTK®
Before Catalytic Converter Oxygen Sensor, Sold individually 1-wire
Part Number: NG21002
Guaranteed to Fit
$24.49
Vehicle Fitment
  • 1994 GMC K2500 Sierra SLT 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.0L 1 Lead Sensor
  • 1994 GMC K2500 Sierra SLT 8 Cyl 5.7L 1 Lead Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 7.4L
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.0L 1 Lead Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.7L 1 Lead Sensor
  • 1994 GMC K2500 Sierra SLE 8 Cyl 5.7L 1 Lead Sensor
  • 1994 GMC K2500 Sierra SL 8 Cyl 5.0L 1 Lead Sensor
Product Details
Location : Before Catalytic ConverterNotes : Non Heated Sensor TypeType : 1-wireQuantity Sold : Sold individuallyProduct Fit : Direct FitWire Length : 15.25 in. Wire LengthThread Size : 18 mm Thread SizeMounting Style : Threaded-in Mounting StyleInterchange Part Number : 12014, 2341000Warranty : NGK limited warrantyProp 65 Warning :

Warning SymbolWARNING: This product can expose you to chemical which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Page 1 of 3 | Showing 1 - 15 of 37 results

Top Rated Products

Oxygen Sensors, 4-Wire, Heated, Female Connector, Threaded-In Type
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Before And After Catalytic Converter Oxygen Sensors, 4-Wire, Heated
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Shopping for Oxygen Sensor

Oxygen Sensor Shopping Info

What Is an Oxygen Sensor?

Modern vehicles are equipped with oxygen sensors, which monitor the amount of oxygen in the exhaust pipe. This part works with the engine control module to maintain your vehicle’s performance and keep its emissions in check.

How Much Does an Oxygen Sensor Replacement Cost?

Replacement oxygen sensors cost anywhere from $10 to $600 for the part alone. Factors that affect this part’s pricing include quantity, location, sensor type, and kit inclusions. Labor can cost you an additional $60 to $70, depending on where you live.

Shop for Aftermarket Oxygen Sensors on CarParts.com

Need to get an OE-grade oxygen sensor replacement fast? Here at CarParts.com, you don’t have to wait in line at a brick-and-mortar store just to get the part you need. With just a few clicks, you can get your orders delivered right to your doorstep in as fast as two business days.

Oxygen sensor replacements are typically sold individually, but you can also purchase them in sets of two or in kits that include catalytic converters. They’re also sold in a variety of inlet types and dimensions, so make sure to double-check if you’ve chosen a part with the right specifications.

With all these options and specifications to look out for, shopping for oxygen sensors can seem like an intimidating task. But with our user-friendly website, you can buy the right oxygen sensor in just a few clicks. Our products are manufactured in world-class facilities and have gone through strict tests to ensure their quality. This way, you can rest easy knowing that you’re getting high-quality products at unbeatable prices.

To view oxygen sensors and other compatible parts for your vehicle, use our vehicle selector tool and enter your vehicle’s specific year, make, and model. You can also indicate your preferences using our search filters. Buying oxygen sensors is easy and convenient here at CarParts.com. Shop now!

Helpful Automotive Resources

P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)
P0141 Code: Oxygen Sensor Heater Circuit Malfunction (Bank 1, Sensor 2)P0141 is part of a family of codes listed as follows: P0141 – Sensor Heater Circuit Bank 1 Sensor 2 P0161 – Sensor Heater Circuit Bank 2 Sensor 2 P0135 – O2 Sensor Heater Circuit Bank 1 Sensor 1 P0155 – O2 Heater Circuit Bank 2, Sensor 1 Make sure you know bank 1 from
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3
P0042 Code: HO2S Heater Control Circuit Bank 1 Sensor 3When there are only 3 O2 sensors it’s typically because there’s only one catalyst being monitored, and “Bank 1” is the default designation when there’s only one sensor in a category. Diagram showing 3 oxygen sensors | Image Source: Richard McCuistian
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)
P0135 Code: Heated O2 Sensor Heater Circuit Malfunction (Bank 1, Sensor 1)Due to this, the O2 sensor features an integrated heater circuit to bring it up to operating temperature after a cold start. When this circuit stops functioning properly, it can trigger a P0135. The oxygen sensor monitors your vehicle’s air-to-fuel ratio. What Does the P0135 Code Mean?