HomeEmission Control > SensorsNTK 23138 Oxygen Sensor - Upstream, Upstream Left or Upstream Right
Part #: 603605

NTK 23138 Oxygen Sensor - Upstream, Upstream Left or Upstream Right

Direct Fit Oxygen Sensor
73 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Direct Fit Oxygen Sensor
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Overview of NTK Direct Fit Oxygen Sensor 23138

The NTK Direct Fit Oxygen Sensor 23138 is designed specifically for select Dodge and Jeep models, including the Ram 1500, Grand Cherokee, and Wrangler. This heated oxygen sensor ensures accurate emissions control and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine management system.

  • Heated sensor type for faster activation and improved efficiency
  • Specific fit for Dodge and Jeep models such as Dakota, Durango, and TJ
  • Threaded mounting type with an 18mm thread diameter for secure installation
  • 11.75-inch wiring harness length with 4 wires for reliable connectivity
  • Part number 23138 for exact replacement and compatibility

Details on the Direct Fit Oxygen Sensor Product Line

The NTK Direct Fit Oxygen Sensor line is engineered to provide precise fitment and reliable performance for specific vehicle applications. This product line focuses on delivering sensors that match OEM specifications, reducing installation time and ensuring proper function. The 23138 sensor is part of this line, offering a direct replacement solution for Dodge and Jeep vehicles requiring a heated oxygen sensor with exact wiring and mounting configurations.

Technical Description and Features

The NTK 23138 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emissions control during cold starts. It includes a threaded mounting type with an 18mm diameter, ensuring a secure and leak-free fit. The sensor comes with a wiring harness length of 11.75 inches and four wires, matching the original equipment specifications for the compatible Dodge and Jeep models. This specific fit sensor is designed to integrate seamlessly with the vehicle’s emission control system, providing accurate oxygen level readings to optimize fuel efficiency and reduce harmful emissions.

Common Applications and Issues Addressed

  • Restores proper air-fuel ratio monitoring in Dodge Ram 1500 and Jeep Grand Cherokee
  • Resolves check engine light triggers related to oxygen sensor faults
  • Improves fuel economy by providing accurate sensor data
  • Reduces vehicle emissions to meet regulatory standards
  • Eliminates rough idling or engine hesitation caused by faulty sensors

Installation Notes and Tips

When installing the NTK 23138 oxygen sensor, ensure the vehicle is cool to avoid burns. Use an oxygen sensor socket or appropriate tool to remove the old sensor carefully. Verify the wiring harness length and connector match the original sensor to prevent electrical issues. Thread the sensor by hand initially to avoid cross-threading, then tighten to the manufacturer’s torque specifications. It is recommended to check for any exhaust leaks after installation to maintain sensor accuracy.

Quality Assurance and Warranty

NTK oxygen sensors, including the 23138 part, are manufactured to meet strict quality standards and OEM specifications. This ensures reliable performance and durability under normal operating conditions. While specific warranty details are not provided here, NTK typically offers coverage against defects in materials and workmanship. Always refer to the product packaging or manufacturer documentation for exact warranty terms.

BrandATE
Part Number603605
PositionDirect Fit Oxygen Sensor
Abutment Clips IncludedNo
Adhesive Backed Pad ShimNo
Backing Materialsteel
Brake Lubricant IncludedNo
Chamfered EdgesNo
ECE-R90 CertifiedYes
FMSI Number7286-D396, 7286-D692, 7449-D396, 7567-D692, 7631-D1442, 7631-D763, 7737-D763
Friction Material AttachmentIntegrally Molded
Friction Material CompositionSemi-metallic
Friction Surface ScorchedNo
Inner Pad Friction Material Thickness17.30
Inner Pad Height44.90
Inner Pad Width123.00
Mounting Hardware IncludedNo
Outer Pad Friction Material Thickness17.30
Outer Pad Height44.90
Outer Pad Width123.00
Pad Quantity4
Pad Shims IncludedNo
Pad Wear Sensor IncludedNo
Prepared For Pad Wear SensorYes
SlottedNo

This part fits 73 vehicles. Search below:

YearMakeModelBody TypeTransmissionLitersCylindersPositionNotes
2004JeepTJ2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2004JeepWrangler2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003DodgeDakotaCrew Cab Pickup5.9LV8Upstream RightNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2003DodgeDakotaCrew Cab Pickup5.9LV8Upstream LeftNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2003DodgeDakotaCrew Cab Pickup3.9LV6UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2003DodgeDurango5.9LV8UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2003DodgeRam 15003.7LV6Upstream RightOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2003DodgeRam 15003.7LV6Upstream LeftOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2003DodgeRam 1500 Van5.9LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003DodgeRam 1500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003DodgeRam 1500 Van3.9LV6UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003DodgeRam 2500 Van5.9LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003DodgeRam 2500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003DodgeRam 3500 Van5.9LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003DodgeRam 3500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003JeepGrand Cherokee4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2003JeepLiberty3.7LV6Upstream RightBank 2, sensor 1, Oxygen Sensor.; Direct Fit Oxygen Sensor
2003JeepLiberty2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003JeepTJ4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2003JeepTJ2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2003JeepWrangler4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2003JeepWrangler2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002DodgeDakotaCrew Cab Pickup5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeDakotaCrew Cab Pickup3.9LV6UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeDakota2.5LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002DodgeDurango5.9LV8UpstreamB1S1; Federal Emissions; OE MFR: NTK; Direct Fit Oxygen Sensor
2002DodgeRam 1500Manual5.9LV8Upstream RightOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2002DodgeRam 1500Manual5.9LV8Upstream LeftOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2002DodgeRam 15003.7LV6Upstream RightBank 2, sensor 1, Oxygen Sensor.; Direct Fit Oxygen Sensor
2002DodgeRam 15003.7LV6Upstream LeftBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002DodgeRam 1500 Van5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 1500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002DodgeRam 1500 Van3.9LV6UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002DodgeRam 2500Manual5.9LV8Upstream RightOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2002DodgeRam 2500Manual5.9LV8Upstream LeftOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2002DodgeRam 2500 Van5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 2500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002DodgeRam 3500Manual5.9LV8Upstream RightOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2002DodgeRam 3500Manual5.9LV8Upstream LeftOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2002DodgeRam 3500 Van5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 3500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002JeepGrand Cherokee4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2002JeepLiberty3.7LV6Upstream RightBank 2, sensor 1, Oxygen Sensor.; Direct Fit Oxygen Sensor
2002JeepLiberty2.4LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002JeepTJ4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2002JeepTJ2.5LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2002JeepWrangler4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2002JeepWrangler2.5LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001DodgeDakota2.5LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001DodgeRam 1500Standard Cab PickupAutomatic5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 1500Manual5.9LV8UpstreamSquare Connector; 1 or 2 Req'd; OE MFR: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 1500Manual5.2LV8Upstream RightOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2001DodgeRam 1500Manual5.2LV8Upstream LeftOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2001DodgeRam 1500 Van5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 1500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001DodgeRam 1500 Van3.9LV6UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001DodgeRam 2500Standard Cab PickupAutomatic5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 2500Manual5.9LV8UpstreamSquare Connector; 1 or 2 Req'd; OE MFR: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 2500Cab & ChassisAutomatic5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 2500 Van5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 2500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001DodgeRam 2500 Van3.9LV6UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001DodgeRam 3500Standard Cab PickupAutomatic5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 3500Manual5.9LV8UpstreamSquare Connector; 1 or 2 Req'd; OE MFR: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 3500Cab & ChassisAutomatic5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 35005.9LV8Upstream RightSquare Connector; Original Equipment Manufacturer: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 3500 Van5.9LV8UpstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 3500 Van5.2LV8UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001JeepGrand Cherokee4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2001JeepTJ4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2001JeepTJ2.5LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor
2001JeepWrangler4.0LL6UpstreamCyls. 4-6; B2S1; OE MFR: NTK; Direct Fit Oxygen Sensor
2001JeepWrangler2.5LL4UpstreamBank 1 Sensor 1 Oxygen Sensor; Direct Fit Oxygen Sensor

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

0 986 424 4840 986 424 6670 986 460 964100.06920104.06920105.06920106.0692016176161961635116898020 181 00 4 19120180.170.121607 173 0 5216070221934 163 0 521934 173 0 521934 173 0 5 T418321934.170.121934022193404300.06920301.0692030138630175334211160340342111605333421116145534211162446342111625363421116449934211164501342111652333421116523534216750190342167612383421676123934216761241342167781685058110571527B571527J571960B571960B-AS571960J571960J-AS5983865987536040347286-D3967286-D6927449-D3967567-D6927631-D14427631-D7637737-D7638DB 355 007-5118DB 355 008-7618DB 355 009-051AE7567MATD763MCFM763ETH763EUR763F 026 000 009FCP850SFDB1301FDB1867FDB850FDS1301FDS850FQT1301FQT850FSL1301FSL850GBP90341AFGDB1189GDB1258GDB1343GDB1344GDB1430LP1423LP907MGD763MRD763MX763P 06 011P 06 013P 06 025P 71 006P06013NP06025NPGD763QC763SBM763SFP100520SGD763MSP763EUT1039T1178T1207TAR1301TAR850TPM0763ZD763ZX763

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.