NTK 24137 Oxygen Sensor - Upstream

Direct-Fit Oxygen Sensor

NTK 24137 is a direct-fit heated oxygen sensor built for specific applications and engineered to match OE fit, form, and function. It is a fitment-based replacement for Toyota Supra upstream applications and uses a flange mount with a 3-wire design.

Key Features

• Heated oxygen sensor for faster operating response.
• Specific-fit design for direct replacement applications.
• Flange mounting style for the listed installation points.
• 19.75-inch wiring harness length for application-specific routing.
• 18 mm thread diameter for the specified exhaust connection.
• NTK 24137 is manufactured and tested to meet or exceed OE specifications.

Detailed Description

NTK 24137 belongs to NTK’s Direct Fit Oxygen Sensor line, a product family focused on application-specific replacement parts with streamlined coverage. As part of the NGK family of products, NTK applies ceramic sensor manufacturing expertise and OE-level engineering to deliver consistent signal performance and proper fitment. This oxygen sensor is listed for 1991-1992 Toyota Supra upstream applications and 1993 Toyota Supra upstream applications, including the noted Bank 1 Sensor 1 and OE-equivalent design references. For buyers searching for a Toyota Supra oxygen sensor or an NTK 24137 replacement, this part is built around the original installation requirements.

What It Is Used For

• Replacing a worn or slow-responding upstream oxygen sensor.
• Addressing check engine light concerns related to oxygen sensor performance.
• Restoring air-fuel feedback for engine management.
• Correcting drivability issues tied to inaccurate exhaust oxygen readings.

Installation Notes and Tips

Verify the listed Toyota Supra year, engine, and upstream position before installation. Confirm the flange mount, 3-wire configuration, 18 mm thread diameter, and harness length match the original sensor. Use the fitment notes to confirm Bank 1 Sensor 1 and OE-equivalent design requirements for the application.

Quality Assurance

NTK states that these oxygen sensors are extensively tested during manufacturing to help ensure quality and reliability that meet or exceed OE specifications. NTK is recognized as a major original equipment oxygen sensor supplier, and the 24137 reflects that OE-focused manufacturing approach.