Toyota Alphard MK1 AH10 Engine Control Unit ECU 89661-58030 | Denso 275000-3911 Genuine OEM
Toyota Alphard MK1 AH10 Engine Control Unit ECU 89661-58030 / Denso 275000-3911 Genuine OEM
The Toyota Engine Control Unit (ECU) 89661-58030, manufactured by Denso under part number 275000-3911, is a genuine OEM engine management computer designed for the Toyota Alphard MK1 AH10 equipped with the 2.4L 2AZ-FE VVT-i petrol engine.
The ECU is responsible for managing critical engine operations including fuel injection, ignition timing, air-fuel ratio, throttle response, idle speed, emissions control, and communication with various engine sensors. This genuine Toyota module is engineered to provide reliable performance, smooth engine operation, and optimal fuel economy.
Toyota catalogs list 89661-58030 as an original Engine Control Computer used on first-generation Alphard models with the 2AZ-FE engine.
Product Specifications
| Specification | Details |
|---|---|
| Toyota Part Number | 89661-58030 |
| Denso Number | 275000-3911 |
| Vehicle Manufacturer | Toyota |
| Vehicle Model | Alphard MK1 |
| Chassis | AH10 / ANH10 |
| Engine | 2.4L 2AZ-FE VVT-i Petrol |
| Production Years | 2002-2008 |
| Module Type | Engine Control Unit (ECU/ECM) |
| Manufacturer | Denso |
| Condition | Genuine OEM Used Unit |
| Testing Status | Fully Tested |
| Warranty | 30 Days |
| Shipping | Worldwide Available |
Compatibility Table
| Make | Model | Chassis | Engine | Transmission | Year Range |
|---|---|---|---|---|---|
| Toyota | Alphard | ANH10 | 2.4L 2AZ-FE VVT-i | Automatic | 2002-2008* |
| Toyota | Alphard G | ANH10W | 2.4L 2AZ-FE VVT-i | Automatic | 2002-2008* |
| Toyota | Alphard V | ANH10W | 2.4L 2AZ-FE VVT-i | Automatic | 2002-2008* |
| Toyota | Alphard | AH10 Series | 2.4L Petrol | Automatic | 2002-2008* |
*Compatibility may vary depending on VIN, transmission specification, emissions configuration, production date, and market. Always verify part numbers 89661-58030 and 275000-3911 before purchasing. Toyota documentation confirms this ECU is used on first-generation Alphard models equipped with the 2AZ-FE engine.
What Does the Engine Control Unit Do?
The ECU continuously monitors and controls vital engine functions, including:
- Fuel injection timing
- Ignition timing
- Variable Valve Timing (VVT-i) operation
- Air-fuel mixture calculation
- Electronic throttle control
- Idle speed regulation
- Emissions control
- Oxygen sensor monitoring
- Engine diagnostics
- Communication with vehicle control modules
A properly functioning ECU helps maintain engine reliability, performance, and fuel efficiency.
Common Symptoms of a Faulty ECU
A failing Engine Control Unit may cause:
- Check Engine Light illuminated
- Engine cranks but does not start
- Rough idle or engine stalling
- Poor acceleration
- Engine misfires
- Increased fuel consumption
- Loss of engine power
- Communication errors during diagnostics
- Intermittent starting problems
Replacing a faulty ECU with the correct Genuine OEM unit helps restore factory engine performance.
Why Buy from Automan Spare Parts?
Automan Spare Parts specializes in genuine OEM automotive electronics for Japanese, European, and Korean vehicles.
Benefits of Buying From Us
- Genuine OEM Toyota Parts
- Fully Tested Before Dispatch
- Worldwide Shipping Available
- Competitive Pricing
- Secure Protective Packaging
- Fast Order Processing
- Expert Compatibility Assistance
- 30-Day Warranty
We stock thousands of OEM automotive electronic modules, including ECUs, BCMs, TCMs, ABS modules, hybrid control units, climate control modules, navigation systems, and body control modules.
Installation Information
Before installation, please note:
- Immobilizer synchronization may be required.
- ECU programming or coding may be necessary depending on vehicle configuration.
- Professional installation is recommended.
- Always verify part numbers before replacement.
Matching the exact Toyota part number is the most reliable way to ensure compatibility with your vehicle.
Order Toyota Alphard ECU 89661-58030 Today
Restore your Toyota Alphard's performance with a Genuine OEM Engine Control Unit ECU 89661-58030 / Denso 275000-3911 from Automan Spare Parts.
If you're unsure about compatibility, simply send us your VIN number or clear photos of your existing ECU label, and our technical team will verify the correct part before you place your order.
Toyota Alphard ECU 89661-58030
Denso 275000-3911 ECU
Toyota Alphard Engine Control Unit
Toyota Alphard MK1 ECU
Toyota ANH10 ECU
Toyota 2AZ-FE ECU
Toyota VVT-i Engine Computer
OEM Toyota Alphard ECU
Toyota ECU 89661-58030 Replacement
Buy Toyota Alphard ECU Online
