HomeEmission Control > SensorsNTK 23140 Oxygen Sensor - Downstream, Downstream Left or Downstream Right
Part #: 705802

NTK 23140 Oxygen Sensor - Downstream, Downstream Left or Downstream Right

Direct Fit Oxygen Sensor
43 vehicles fit this part
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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 23140

The NTK Direct Fit Oxygen Sensor 23140 is designed specifically for select Dodge and Jeep models, including the Grand Cherokee and Ram series trucks and vans. This heated oxygen sensor ensures accurate emissions monitoring and optimal engine performance by providing precise air-fuel mixture data to the vehicle's engine control unit.

  • Heated oxygen sensor for faster response times
  • Specific fit for Dodge and Jeep Grand Cherokee, Ram 1500, 2500, 3500, and their van variants
  • Threaded mounting type with 18mm thread diameter
  • Four-wire design for reliable electrical connections
  • 18-inch wiring harness length for proper installation

About the Direct Fit Oxygen Sensor Product Line

The NTK Direct Fit Oxygen Sensor line is engineered to provide precise replacement sensors that match the original equipment specifications. This product line focuses on exact fitment and reliable performance, reducing installation time and ensuring compatibility with the vehicle’s emission control system. The 23140 sensor is part of this line, offering a direct replacement solution for specific Dodge and Jeep models without the need for modifications.

Detailed Product Description

The NTK 23140 oxygen sensor features a heated sensor element that allows it to reach operating temperature quickly, improving emission control efficiency shortly after engine start. Its four-wire configuration supports both the sensor signal and heater circuit, ensuring consistent sensor operation. The 18mm threaded mounting type provides a secure and leak-free installation in the exhaust system. With an 18-inch wiring harness, this sensor offers sufficient length for proper routing and connection within the engine bay.

Common Applications and Issues Addressed

  • Replacement for faulty or failing oxygen sensors in Dodge Grand Cherokee and Ram trucks
  • Helps resolve engine performance issues related to incorrect air-fuel mixture readings
  • Reduces emissions by ensuring accurate sensor data to the engine control unit
  • Addresses check engine light triggers caused by sensor malfunctions
  • Improves fuel efficiency by maintaining proper combustion control

Installation Notes and Tips

When installing the NTK 23140 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 compatibility before installation. Thread the sensor carefully to avoid cross-threading and tighten to manufacturer torque specifications. After installation, clear any diagnostic trouble codes and perform a test drive to confirm proper operation.

Quality Assurance and Warranty

NTK oxygen sensors are manufactured to meet or exceed OEM standards for durability and performance. The Direct Fit Oxygen Sensor 23140 undergoes rigorous testing to ensure reliable operation under various driving conditions. While specific warranty details are not provided here, NTK typically offers coverage against defects in materials and workmanship. Consult the product packaging or NTK documentation for exact warranty terms.

BrandATE
Part Number705802
PositionDirect Fit Oxygen Sensor
Metal Tin
Damaging To Painted SurfacesNo
Flash Point282
Minimum Dry Boiling Point500
Minimum Wet Boiling Point329
Polyglycol Ether BasedYes

This part fits 43 vehicles. Search below:

YearMakeModelTransmissionLitersCylindersPositionNotes
2003DodgeRam 15005.9LV8Downstream RightReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2003DodgeRam 15005.9LV8Downstream LeftB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003DodgeRam 1500Manual3.7LV6Downstream RightOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2003DodgeRam 1500Manual3.7LV6Downstream LeftOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2003DodgeRam 1500 Van5.9LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003DodgeRam 1500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003DodgeRam 1500 Van3.9LV6DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003DodgeRam 2500 Van5.9LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003DodgeRam 2500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003DodgeRam 3500 Van5.9LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003DodgeRam 3500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2003JeepGrand Cherokee4.0LL6DownstreamCyls. 1-3; B1S2; OE MFR: NTK; Direct Fit Oxygen Sensor
2002DodgeRam 15005.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 15003.7LV6Downstream RightReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2002DodgeRam 15003.7LV6Downstream LeftB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2002DodgeRam 1500 Van5.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 1500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2002DodgeRam 1500 Van3.9LV6DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2002DodgeRam 25008.0LV10Downstream RightReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2002DodgeRam 25008.0LV10Downstream LeftB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2002DodgeRam 25005.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 2500 Van5.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 2500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2002DodgeRam 35008.0LV10Downstream RightReplacement oxygen sensor for B2S2 location.; Direct Fit Oxygen Sensor
2002DodgeRam 35008.0LV10Downstream LeftB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2002DodgeRam 35005.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 3500 Van5.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2002DodgeRam 3500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2002JeepGrand Cherokee4.0LL6DownstreamCyls. 1-3; B1S2; OE MFR: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 15005.9LV8DownstreamSquare Natural/White Connector; 1 or 2 Req'd; OE MFR: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 15005.2LV8DownstreamOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2001DodgeRam 15003.9LV6DownstreamOE MFR: NTK - Oxygen Sensor for Original Equipment Manufacturer.; Direct Fit Oxygen Sensor
2001DodgeRam 1500 Van5.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 1500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2001DodgeRam 1500 Van3.9LV6DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2001DodgeRam 25005.9LV8DownstreamSquare Natural/White Connector; 1 or 2 Req'd; OE MFR: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 2500 Van5.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 2500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2001DodgeRam 2500 Van3.9LV6DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2001DodgeRam 35005.9LV8DownstreamSquare Natural/White Connector; 1 or 2 Req'd; OE MFR: NTK; Direct Fit Oxygen Sensor
2001DodgeRam 3500 Van5.9LV8DownstreamNTK Oxygen Sensor for Federal Emissions vehicles.; Direct Fit Oxygen Sensor
2001DodgeRam 3500 Van5.2LV8DownstreamB1S2 oxygen sensor meets OEM standards.; Direct Fit Oxygen Sensor
2001JeepGrand Cherokee4.0LL6DownstreamCyls. 1-3; B1S2; OE MFR: NTK; Direct Fit Oxygen Sensor

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