Ignition Knock (Detonation) Sensor - Toyota (89615-12090)

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Product information

Product detailsShow

OEM Ignition Knock (Detonation) Sensor – Toyota (89615-12090) x1

Protect your engine from harmful detonation with this genuine OEM Toyota Ignition Knock Sensor. Designed to monitor engine vibrations and detect abnormal combustion (knock), this sensor allows the ECU to adjust timing and prevent engine damage.

A failing knock sensor can cause reduced power, poor fuel economy, hesitation under load, or a check engine light. Replacing it with a genuine OEM unit ensures accurate readings and long-term reliability.

Product Details:

  • Genuine OEM Toyota Part

  • Part Number: 89615-12090

  • Direct factory replacement

  • Designed to meet Toyota’s original performance specifications

  • Restores proper ignition timing control

Why It Matters:

  • Prevents engine damage from detonation

  • Maintains optimal ignition timing

  • Improves drivability and throttle response

  • Helps eliminate knock-related fault codes

Common Fitment:

  • Toyota 3.4L 5VZ-FE applications (Tacoma, 4Runner, T100)

  • Other Toyota models depending on engine configuration

(Confirm compatibility with your specific vehicle before purchase.)

Critical for performance, especially on supercharged or modified engines where proper knock detection is essential.

OEM precision. Engine protection. Factory reliability.

Shipping and returnsShow
  • Please allow 3-4 business days for shipment. Tracking details are emailed once your package ships.
  • Used products are sold as-is and are not eligible for return.
  • New products can be returned within 30 days for a full refund if unopened and in original packaging.
  • Defective items can be returned within 30 days for a full refund, and we cover return shipping.
  • For all non-defective returns, the customer is responsible for return shipping costs.
  • Custom orders are non-returnable.
  • Defective claims require photos, videos, and your order number.
  • Refused shipments are treated as returns and may be refunded after inspection, less outbound/return shipping and any carrier fees.
  • Lost shipments are investigated through the carrier claim process; approved claims are resolved with a replacement or refund.
  • Damaged-in-transit claims should be reported promptly with packaging photos and order details so we can file with the carrier.
Contact supportQuestions about returns? Email photos/videos and your order number for faster support.
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