Toyota 89661-0R300 – Engine Control Module (ECM)

Overview
The Toyota 89661-0R300 Engine Control Module (ECM) is the electronic control unit responsible for managing the engine’s operating systems – including fuel injection, ignition timing, and emissions control. It communicates with sensors and actuators to optimize performance, fuel efficiency, and drivability.

Key details

• Product: Engine Control Module (ECM / ECU)
• Manufacturer reference: Toyota part number 89661-0R300
• Product type: Auto Part
• Package quantity: 1
• Package weight: 3.0 lb

Features

• Direct replacement for applications that specify part number 89661-0R300
• Manages core engine functions such as fuel delivery, ignition timing, and emissions control
• Interfaces with vehicle sensors and actuators to maintain engine performance and diagnostics

Package contents

• 1 × Engine Control Module (Part # 89661-0R300)

Compatibility & installation

• Confirm vehicle compatibility by checking your VIN or consulting a Toyota dealer or trusted mechanic before purchase.
• Professional installation and proper programming (if required) are recommended to ensure correct operation and to avoid diagnostic issues.

Notes

• Ensure the part number matches your vehicle’s required ECM number.
• If you have questions about fitment, programming, or installation, contact your parts supplier or service center for assistance.

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