89615-35040 TOYOTA Ignition Knock Detonation Sensor 4RUNNER

Review TOYOTA Genuine Ignition Knock Detonation Sensor for 4RUNNER

The Toyota Ignition Knock Detonation Sensor, model number 89615-35040, is an essential component in ensuring the optimal performance and longevity of your Toyota vehicle's engine. This sensor is designed to detect and measure the unwanted ignition events, also known as knocking or detonation, which can occur in the engine due to various factors such as fuel quality, engine load, or engine wear.

This sensor is a key element of the engine knock control system, which helps prevent damage to the engine caused by these unwanted ignition events. The sensor converts the mechanical energy of the engine into an electrical signal, which is then processed by the engine control module (ECM) to determine if the engine is producing excessive knocking or detonation.

The 89615-35040 ignition knock detonation sensor is a high-precision, solid-state device with a built-in microphone that is sensitive to the sound waves generated by the engine during knocking events. It features a robust and durable design, with a ceramic element that provides excellent sensitivity and accuracy in detecting knocking events. The sensor is also designed to withstand the harsh operating conditions of the engine compartment, including extreme temperatures and vibrations.

The replacement of the ignition knock detonation sensor is an important maintenance task that can help maintain the overall health and performance of your Toyota vehicle. If the sensor is faulty or not functioning properly, it can cause the check engine light to illuminate and trigger various drivability issues, including rough idling, stalling, and poor fuel economy.

Installing the Toyota 89615-35040 ignition knock detonation sensor is a relatively straightforward process that can be done by a skilled DIY mechanic or a professional technician. The sensor is typically located near the engine, and the replacement procedure involves disconnecting the old sensor, connecting the new sensor, and calibrating the engine control module to recognize the new sensor.

In conclusion, the Toyota Ignition Knock Detonation Sensor, model number 89615-35040, is an essential component of your Toyota vehicle's engine control system that helps ensure optimal engine performance and longevity by detecting and measuring unwanted ignition events. This high-precision, solid-state sensor features a robust and durable design and is easy to install. Replacing a faulty sensor can help prevent engine damage and improve vehicle drivability.

The Toyota Ignition Knock Detonation Sensor (part number 89615-35040) is an essential component of the engine management system in certain Toyota vehicles. This sensor helps the engine control unit (ECU) detect and prevent detonation or knocking in the engine cylinders, ensuring optimal engine performance and fuel efficiency. Here are some pros and cons of buying this sensor as a replacement:

1. Improved Engine Performance: A faulty ignition knock sensor can cause the engine to misfire, resulting in poor performance. Replacing the sensor can help restore the engine's performance to its original specifications.

2. Enhanced Fuel Efficiency: A malfunctioning ignition knock sensor can cause the engine to consume more fuel than necessary. Replacing the sensor can help improve fuel efficiency and reduce operating costs.

3. Prevents Engine Damage: Detonation or knocking in the engine can cause significant damage over time. Replacing the sensor can help prevent costly engine repairs and potential engine failure.

4. OEM Quality: The Toyota Ignition Knock Detonation Sensor is a genuine Toyota part, ensuring a perfect fit and function for your vehicle.

5. peace of mind: Replacing a faulty sensor with an OEM Toyota part can provide peace of mind, knowing that the part is designed to work optimally with your vehicle and that any potential issues have been addressed.

1. Cost: The Toyota Ignition Knock Detonation Sensor can be more expensive than aftermarket alternatives. However, the OEM quality and reliability may justify the higher cost for some consumers.

2. Installation Complexity: Installing the sensor may require specialized tools and technical knowledge. It may be necessary to visit a dealership or a qualified mechanic for installation.

3. Availability: The sensor may not be readily available at local auto parts stores, so ordering it online may be necessary.

The Toyota Ignition Knock Detonation Sensor (89615-35040) is an essential component for maintaining optimal engine performance and fuel efficiency in certain Toyota vehicles. While it may have a higher cost than aftermarket alternatives and require professional installation, the OEM quality and reliability can provide peace of mind and potentially prevent costly engine repairs or replacement in the future. Ultimately, the decision to purchase this sensor depends on the individual's priorities, budget, and technical expertise. If engine performance and reliability are top priorities, then investing in an OEM Toyota Ignition Knock Detonation Sensor may be worthwhile.

Details:

Shipping carrier substitutions may be made at our determination in an attempt to reduce shipping cost the customer. Parts must be resalable and in the original packaging. Electrical parts are not returnable. Ignition knock detonation sensor.

specifications ignitioncomp:

• for models: 4runner
• brand: Toyota
• mpn: 89615-35040
• part type: Ignition Sensor
• genuine oem: Yes
• manufacturer warranty: 1 Year
• universal fitment: Direct Replacement
• year: 1988 1989 1990 1991 1992 1993
• replaces part number: 8961535030

seller ignitioncomp:

• # reviews: 1849
• rating: 96.6%
• city: cockeysville, maryland

offer ignitioncomp:

• sold #: 13
• availability: in stock
• options: ship-to-home
• started: february 14, 2026
• in stock #: 5
• prices: $29.00–$249.92
• item condition:
  • New other (see details)
  • New
  • Used

general ignitioncomp:

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

shipping ignitioncomp:

• type: fixed
• service: fedex ground / fedex home delivery
• transit: 6-12 days
• class: standard
• carrier: fedex

payments ignitioncomp:

• wallet: paypal
• credit card: diners-club
• other

returns ignitioncomp:

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