13259801 , 3Y540004ZC, Y5403Y540004ZC, 37820-RCB-Y54 Honda Accord 2003-2004 Engine Control Module ECU ECM OEM.

Engine Control Module ECU / ECM 13259801 / 3Y540004ZC is a genuine OEM engine computer specifically designed for Honda Accord 2003–2004 petrol models.

This ECU manages essential engine functions such as fuel injection, ignition timing, and throttle control, ensuring smooth performance, proper fuel efficiency, and accurate communication between engine components.

Manufactured to Honda’s original specifications, this unit provides reliable performance and seamless integration with the vehicle’s factory systems. Each module is professionally tested to ensure full functionality and correct operation.

Ideal for vehicles experiencing ECU faults, engine misfires, starting problems, poor performance, or check engine light issues.

Compatibility Table (VIN Verification Recommended)

Vehicle Model	Year Range	Engine Type	Transmission	OEM Part Numbers
Honda Accord	2003–2004	Petrol	Automatic / Manual	13259801 / 3Y540004ZC

Additional Details:

System: Engine Control Module (ECM/ECU)
Fuel Type: Petrol
Market compatibility may vary by region

Important: Always confirm compatibility using:

OEM part number (13259801)
Secondary number (3Y540004ZC)
Vehicle VIN
ECU label information

Key Features

Genuine OEM Honda ECU / ECM
Part Numbers: 13259801 / 3Y540004ZC
Designed for Honda Accord 2003–2004
Controls fuel injection and ignition timing
Maintains factory engine calibration
Fully tested and quality verified
Supports programming or ECU cloning if required

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Key features

Genuine OEM Honda ECU / ECM
Part Numbers: 13259801 / 3Y540004ZC
Designed for Honda Accord 2003–2004
Controls fuel injection and ignition timing
Maintains factory engine calibration
Fully tested and quality verified
Supports programming or ECU cloning if required

Compatibility Table (VIN Verification Recommended)

Vehicle Model	Year Range	Engine Type	Transmission	OEM Part Numbers
Honda Accord	2003–2004	Petrol	Automatic / Manual	13259801 / 3Y540004ZC

Additional Details:

System: Engine Control Module (ECM/ECU)
Fuel Type: Petrol
Market compatibility may vary by region

Important: Always confirm compatibility using:

OEM part number (13259801)
Secondary number (3Y540004ZC)
Vehicle VIN
ECU label information

Shipping, returns and warranty

Worldwide shipping with tracking
30-day returns on unused, uninstalled parts
90-day limited warranty against defects

Send us your VIN and we confirm fitment before shipping. See our shipping policy and return policy.

Accord

13259801 Honda Accord Engine Control Module ECU 3Y540004ZC OEM ECM 37820-RCB-Y54