NTK 23134 Oxygen Sensor - Downstream

Direct Fit Oxygen Sensor for Chrysler and Dodge

NTK 23134 is a direct fit heated oxygen sensor for downstream applications on select Chrysler and Dodge minivans. It is built as a specific-fit replacement with OE-style thread mounting, 4-wire construction, and a 20.5-inch wiring harness for a factory-style service replacement.

Key Features

• Direct fit oxygen sensor for specific applications
• Heated sensor design for downstream exhaust monitoring
• 4-wire configuration with 20.5-inch wiring harness
• 18 mm threaded mounting type
• Built to meet or exceed OE specifications during manufacturing testing
• NTK direct fit oxygen sensor line focuses on fit, form, and function

Product Details

NTK 23134 is part of the Direct Fit Oxygen Sensor line, a product line focused on OE-style replacement coverage for import and domestic vehicles. NTK uses ceramic manufacturing expertise and controlled production processes to support consistent sensor construction from raw material through finished component. As the sensor specialist within the NGK family of products, NTK supplies oxygen sensors with application-specific fitment and OE application technology.

This part cross-references Bosch 13674 and DENSO Auto Parts 234-4010 for the same application. It is listed for 2001-2003 Chrysler Town & Country, downstream; 2001-2003 Chrysler Voyager, downstream; 2001-2003 Dodge Caravan, downstream; and 2001-2003 Dodge Grand Caravan, downstream. Search terms such as downstream oxygen sensor for 2001-2003 Chrysler Town & Country or 2001-2003 Dodge Grand Caravan B1S2 oxygen sensor apply to this part number 23134.

Common Replacement Reasons

• Check engine light related to oxygen sensor performance
• Slow or inaccurate exhaust oxygen readings
• Heated sensor circuit faults
• Downstream sensor replacement after age or contamination
• Emissions inspection failures tied to sensor output

Installation Notes

Verify the downstream sensor location and connector match before installation. Confirm the 18 mm threaded mounting point and 4-wire harness layout against the original sensor on the vehicle. For best results, inspect the exhaust threads and wiring routing during replacement, especially on Chrysler Town & Country, Voyager, Caravan, and Grand Caravan applications.

Quality Assurance

NTK tests oxygen sensors during manufacturing to support quality and reliability that meet or exceed OE specifications. Part number 23134 is engineered as a direct fit replacement for specific Chrysler and Dodge applications.