Mazda 6 ECU L3R418881D / L3R4-18-881D E6T54474H3 Engine Control Unit OEM.

Engine Control Unit ECU L3R418881D / L3R4-18-881D / E6T54474H3 is a genuine OEM engine computer designed specifically for Mazda 6 petrol models equipped with the L3 2.3L engine.

This ECU controls fuel injection, ignition timing, throttle response, and overall engine management to maintain factory-level performance, fuel efficiency, and smooth drivability. Built to Mazda’s original specifications, it ensures accurate communication between engine sensors and control systems.

Each unit is professionally tested to verify functionality, reliability, and correct calibration. Suitable for vehicles experiencing ECU-related fault codes, starting issues, engine hesitation, misfires, or reduced performance.

Compatibility Table (VIN Verification Recommended)

Vehicle Model	Year Range	Engine Code	Engine Size	Transmission	Part Numbers
Mazda 6	2005–2008 (typical range)	L3	2.3L Petrol	Manual / Automatic	L3R418881D / L3R4-18-881D / E6T54474H3

Additional Details:

Engine Type: L3 2.3L petrol
System: Engine Control Module (ECM/ECU)
Market compatibility may vary by region

Important: Always confirm compatibility using:

Original ECU part number
Vehicle VIN
ECU label information
Engine code (L3)

Key Features

Genuine OEM Mazda ECU
Part Numbers: L3R418881D / L3R4-18-881D / E6T54474H3
Designed for Mazda 6 2.3L L3 engine
Controls fuel injection and ignition timing
Maintains factory engine calibration
Fully tested and quality verified
Supports VIN programming or ECU cloning if required

Mazda 6 ECU L3R418881D
L3R4-18-881D ECU
E6T54474H3 ECU
Mazda 6 2.3 ECU
Mazda 6 Engine Control Unit
Mazda 6 L3 engine ECU
OEM Mazda 6 ECU
Mazda 6 engine computer
Mazda petrol ECU
Mazda ECM L3
Mazda L3 ECU module
E6T54474H3 engine computer
Mazda 6 ECM 2.3
L3 engine ECU Mazda
Automotive ECU Mazda

Key features

Genuine OEM Mazda ECU
Part Numbers: L3R418881D / L3R4-18-881D / E6T54474H3
Designed for Mazda 6 2.3L L3 engine
Controls fuel injection and ignition timing
Maintains factory engine calibration
Fully tested and quality verified
Supports VIN programming or ECU cloning if required
Mazda 6 ECU L3R418881D
L3R4-18-881D ECU
E6T54474H3 ECU
Mazda 6 2.3 ECU
Mazda 6 Engine Control Unit

Compatibility Table (VIN Verification Recommended)

Vehicle Model	Year Range	Engine Code	Engine Size	Transmission	Part Numbers
Mazda 6	2005–2008 (typical range)	L3	2.3L Petrol	Manual / Automatic	L3R418881D / L3R4-18-881D / E6T54474H3

Additional Details:

Engine Type: L3 2.3L petrol
System: Engine Control Module (ECM/ECU)
Market compatibility may vary by region

Important: Always confirm compatibility using:

Original ECU part number
Vehicle VIN
ECU label information
Engine code (L3)

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.

E6T54474H3

L3R418881D Mazda 6 ECU E6T54474H3 Engine Control Unit OEM