NTK 24109 Oxygen Sensor - Upstream

Direct-Fit Oxygen Sensor

The NTK 24109 is a direct-fit oxygen sensor built for specific import applications with an upstream mounting position. It uses a threaded, non-heated design with a 2-wire configuration and a 24.75-inch harness for a precise replacement path.

• Specific-fit oxygen sensor for direct replacement applications
• Non-heated design with 2-wire construction
• Threaded mounting with 18 mm thread diameter
• 24.75-inch wiring harness length
• Compatible with upstream air/fuel ratio monitoring applications

Fitment Details

Fits 1991-1992 Dodge Colt, upstream. Fits 1993-1994 Dodge Colt, upstream. Fits 1991-1992 Eagle Summit, upstream. Fits 1993-1994 Eagle Summit, upstream. Fits 1991-1992 Plymouth Colt, upstream. Fits 1992 Eagle Vista, upstream. Fits 1991 Eagle Vista, upstream. Fits 1992 Mitsubishi Expo, upstream. Fits 1993 Mitsubishi Expo, upstream. Fits 1992 Mitsubishi Expo LRV, upstream. Fits 1993 Mitsubishi Expo LRV, upstream. Fits 1991-1992 Mitsubishi Mirage, upstream. Fits 1993 Mitsubishi Mirage, upstream. Fits 1993 Mitsubishi Galant, upstream. Fits 1993 Eagle 2000 GTX, upstream.

What It Helps Address

• Faulty oxygen sensor readings that affect fuel control
• Check engine light concerns tied to upstream sensor performance
• Air/fuel ratio feedback issues in emission control systems
• Replacement needs for a threaded, direct-fit sensor layout

Installation Notes

Confirm the upstream location, thread diameter, and harness length before installation. This sensor uses a specific-fit design, so matching the connector and mounting style to the original part is important for proper installation.

Quality Assurance

NTK is part of the NGK family of products and is a major original equipment oxygen sensor supplier. The 24109 is manufactured and tested to meet or exceed OE specifications for fit, form, and function. This part cross-references Delphi ES10677 and DENSO Auto Parts 234-2066 for the same application.