NTK 23527 Oxygen Sensor

NTK Direct Fit Oxygen Sensor for OE Replacement

NTK Oxygen Sensor 23527 is a direct-fit heated oxygen sensor built for specific downstream and upstream applications on select Chrysler, Dodge, and Mitsubishi vehicles. With a 4-wire design, 18 mm thread diameter, and 18-inch wiring harness length, it is made to match OE-style fit, form, and function for accurate exhaust feedback.

Key Features

• Direct Fit Oxygen Sensor for specific vehicle applications
• Heated sensor design for faster operating response
• 4-wire configuration with threaded mounting
• 18.0000 wiring harness length
• 18.000 thread diameter
• Built by NTK, a major OE oxygen sensor manufacturer

Product Details

NTK Direct Fit Oxygen Sensor 23527 is engineered for import and domestic emission control service, with application coverage that includes 2002-2007 Chrysler Aspen, Pacifica, Dodge Dakota, Durango, Ram 1500, and Mitsubishi Raider. This sensor line is developed using NTK ceramic manufacturing expertise and is tested during production to meet or exceed OE specifications for fit and reliability. For shoppers searching for an oxygen sensor for 2004 Dodge Ram 1500 upstream left, or a downstream oxygen sensor for 2007 Dodge Durango right side, this part number is built for those exact service positions.

This part cross-references Bosch 15508 and DENSO Auto Parts 234-4718 for the same application. NTK 23527 is part of the Direct Fit Oxygen Sensor line, which focuses on OE-style replacement coverage and application-specific sensor design.

Common Problems This Part Can Address

• Check engine light related to oxygen sensor performance
• Faulty air/fuel ratio feedback from a worn upstream sensor
• Slow or inaccurate downstream exhaust monitoring
• Emission test failures tied to sensor response issues
• Driveability concerns caused by degraded exhaust gas sensing

Installation Notes and Tips

• Verify the exact year, make, model, and sensor position before ordering.
• Match the application to upstream, downstream, left, or right placement as listed in the fitment data.
• Inspect the connector and harness routing before installation to confirm the 18-inch lead length is appropriate.
• Use the threaded mounting point and 18 mm thread diameter to confirm exhaust bung compatibility.
• Clear diagnostic trouble codes after installation and confirm proper sensor operation.

Quality Assurance

NTK is a leading original equipment oxygen sensor manufacturer, and this sensor is manufactured and tested to meet or exceed OE specifications. The brand’s OE-focused engineering and ceramic manufacturing background support consistent fitment and dependable emission control performance.