NGK Oxygen Sensor
1994–2010 Dodge Ram, 1997–2004 Dodge Dakota, 1999–2004 Jeep Grand Cherokee
23140
Overview:
The NGK Direct Fit Oxygen Sensor is a precision-engineered replacement part designed to restore and maintain optimal engine performance for a wide range of Dodge Ram, Dodge Dakota, and Jeep Grand Cherokee models spanning from 1994 to 2010. As a critical component of the vehicle’s on-board diagnostic system, this oxygen sensor continuously monitors exhaust gases to ensure the engine control unit (ECU) maintains the ideal air-fuel ratio. This results in improved fuel efficiency, reduced emissions, and smoother engine operation.
Manufactured by NTK, the world’s largest OEM oxygen sensor supplier, this sensor offers reliable, direct-fit installation with no modifications required. It is an excellent choice for vehicle owners and professional technicians seeking a durable, high-quality sensor that meets or exceeds original equipment standards.
Key Features:
NGK’s oxygen sensor incorporates advanced technology and robust design features to deliver consistent performance and long service life:
- Direct fit for easy installation on compatible Dodge Ram, Dodge Dakota, and Jeep Grand Cherokee models
- Advanced ceramic sensor element with a 3-stage contaminant-resistant plasma jet and deposit trap overcoat to prevent element poisoning
- Provides accurate, real-time feedback to the ECU for precise air-fuel ratio control
- Helps maintain optimal fuel economy and reduce harmful emissions
- Engineered and tested to meet stringent OEM quality and durability standards
- Compatible with OBDII diagnostic systems for effective fault detection and emissions monitoring
- Manufactured by NTK, a trusted global leader in sensor technology and innovation
Construction & Design:
At its core, the NGK oxygen sensor features a high-grade ceramic sensing element, expertly crafted using NTK’s proprietary manufacturing processes. This ceramic element is protected by a specialized plasma jet and deposit trap coating that shields it from contaminants such as fuel additives, oil, and exhaust deposits that can degrade sensor performance over time. The sensor housing and wiring are designed for durability and resistance to heat, vibration, and corrosion, ensuring reliable operation in harsh engine environments.
NTK’s close collaboration with OEM manufacturers throughout the development process guarantees that each sensor meets exacting specifications for fit, function, and longevity.
Installation & Fitment:
This NGK oxygen sensor is a direct replacement part engineered to fit select Dodge Ram, Dodge Dakota, and Jeep Grand Cherokee models without any modifications. Installation is straightforward and typically requires only standard hand tools. Proper installation ensures the sensor accurately monitors exhaust gases and communicates effectively with the vehicle’s ECU and OBDII system.
Refer to vehicle-specific service manuals for detailed installation instructions and torque specifications to ensure optimal sensor performance and longevity.
What's Included:
- One NGK Direct Fit Oxygen Sensor (Part #23140)
- Pre-attached wiring harness with OEM-style connector
- Installation instructions (where applicable)
Ideal For:
This oxygen sensor is ideal for vehicle owners, mechanics, and automotive enthusiasts who require a reliable, OEM-quality replacement sensor for Dodge Ram, Dodge Dakota, and Jeep Grand Cherokee models from the mid-1990s through 2010. It is particularly suited for those aiming to restore factory-level engine efficiency, reduce emissions, and maintain smooth engine operation without the need for aftermarket modifications.
