37689FM DELPHI Ignition Knock Detonation Sensor Toyota Supra

Review DELPHI For Toyota Ignition Knock Detonation Sensor 3.0l L6 for TOYOTA SUPRA 1995–1998

The Delphi 37689FM Ignition Knock Sensor is a crucial component in the ignition system of certain 1995-1998 Toyota Supra models equipped with the 3.0L L6 engine. This sensor plays a vital role in monitoring the engine for any signs of detonation or knocking, which can cause significant damage if left unchecked.

The Delphi 37689FM is an advanced electronic sensor that utilizes a piezoelectric design to detect the slightest vibrations in the engine caused by detonation. When the engine experiences knocking or detonation, the sensor generates an electrical signal that is sent to the engine control module (ECM). The ECM then adjusts the ignition timing and fuel delivery to help minimize or eliminate the knocking.

This sensor is designed with a high level of precision and accuracy to ensure reliable performance. It features a robust and durable construction, with a protective housing that shields it from the harsh engine environment. The sensor is also easy to install, with a simple plug-and-play design that connects directly to the ECM.

The Delphi 37689FM Ignition Knock Sensor is an essential component for maintaining the optimal performance and longevity of your Toyota Supra's engine. It helps prevent costly repairs and damage caused by detonation or knocking, ensuring that your vehicle runs smoothly and efficiently.

If you're experiencing issues with your Toyota Supra's engine, such as rough idling, misfiring, or a check engine light, it may be a sign that your ignition knock sensor is failing. Replacing the sensor with a new Delphi 37689FM can help diagnose and resolve these issues, allowing you to enjoy a smoother and more enjoyable driving experience.

Overall, the Delphi 37689FM Ignition Knock Sensor is a high-quality and reliable replacement part for your Toyota Supra. Its advanced design and precise functionality make it an essential component for maintaining the health and performance of your engine, and its simple installation process makes it a convenient and hassle-free solution for any vehicle owner.

The Delphi 37689FM is an ignition knock sensor designed for use in 1995-1998 Toyota Supra models with a 3.0L L6 engine. This sensor helps the engine management system detect and respond to ignition knock or detonation, maintaining optimal engine performance and preventing damage. Here are some pros and cons of buying this particular sensor.

1. OEM (Original Equipment Manufacturer) part: This sensor is manufactured by Delphi, the original equipment supplier for Toyota, ensuring a perfect fit and compatibility with your vehicle.

2. Improved engine performance: By accurately detecting and responding to ignition knock, this sensor contributes to better overall engine performance and efficiency.

3. Prevents engine damage: Ignition knock can lead to serious engine damage if left unchecked. A functional ignition knock sensor helps prevent such damage and prolong the life of the engine.

4. Easy installation: The Delphi 37689FM is a direct replacement for the OEM sensor, requiring no modifications or additional components for installation.

1. Cost: Replacing an engine sensor like the ignition knock sensor can be a significant expense. However, considering the importance of this sensor in maintaining engine performance and preventing damage, the cost may be justified.

2. Potential for misdiagnosis: Ignition knock can be caused by various issues, so replacing the sensor alone might not always solve the problem. It's essential to ensure a proper diagnosis before replacing the sensor to avoid unnecessary costs and potential frustration.

In conclusion, the Delphi 37689FM ignition knock sensor offers several advantages, including improved engine performance, prevention of engine damage, and easy installation. However, its cost and the potential for misdiagnosis are important considerations. If you've had a proper diagnosis and are confident that the sensor is the issue, then purchasing this OEM part can be a worthwhile investment for the long-term health of your Toyota Supra's engine.

Details:

Knock sensor. Shipping cost: free.: for 1995 -1998 Toyota Supra - Delphi ignition knock detonation sensor 3.0l l6: brand: Delphi, warranty: 1 year, part type: sensor, fitment notes: engine. Shipping handling service: please refer to shipping section.

Package contents: ignition knock detonation sensor, terminal type: pin, mounting hardware included: no, connector quantity: 1, shape: round, gender: male, male, wiring harness screw.

specifications ignitioncomp:

• for models: Supra
• for makes: Toyota
• for years: 1995–1998
• brand: Delphi
• mpn: 37689fm
• part type: Ignition Sensor
• manufacturer warranty: 1 Year
• cs-sku: 328
• compatibility notes: Engine

offer ignitioncomp:

• in stock #: 1
• price: $186.60
• item condition: New
• availability: in stock
• options: ship-to-home
• sold #: 7
• started: june 11, 2026

seller ignitioncomp:

• city: bronx, new york
• rating: 99.7%
• # reviews: 24980

returns ignitioncomp:

• policy: returns accepted
• paid by: seller
• time: 30 days

general ignitioncomp:

• category: Auto Parts > Car Truck Accessories > Ignition Systems Components

payments ignitioncomp:

• credit card: diners-club
• other
• wallet: google-pay

shipping ignitioncomp:

• type: fixed
• class: standard
• transit: 3-7 days
• carrier: usps
• service: usps first class