PAJ118881 Mazda 3 Petrol MHEV Engine Control Unit K4238 ECU MB2798003442 OEM PAJ1

Description

PAJ118881 / MB2798003442 / PAJ1 / K4238 Mazda 3 2.0L Petrol / MHEV Engine Control Unit ECU 2019–2024.

Product Description

This is a genuine Engine Control Unit (ECU) suitable for Mazda 3 models from 2019 to 2024 equipped with 2.0L Petrol and Mild Hybrid (MHEV) systems. It is an original Mazda module, designed to maintain factory performance specifications including ignition timing, fuel mapping, emissions control and hybrid energy management.

If your vehicle is experiencing no-start conditions, hybrid malfunction messages, poor acceleration, or engine warning lights, replacing the ECU with this compatible OEM unit restores proper communication between the powertrain, hybrid battery, and onboard control modules.

Part number matching is mandatory to ensure correct installation and system synchronization.

Compatibility Table

Notes

• Programming and coding will be required after installation.

• Must match vehicle VIN and part number before purchase.

• Designed for factory hybrid petrol architecture with original wiring and sensors.

Keyword Phrases

• Mazda 3 2.0 MHEV ECU PAJ1-18881

• Mazda 3 hybrid petrol engine control module 2019–2024

• OEM Mazda ECU MB2798003442

• Mazda 3 ECU replacement mild hybrid

• Mazda 3 2.0L engine computer PAJ1 18881

• Mazda MHEV powertrain ECU module

• Mazda 3 electronic control unit original

• Mazda 3 engine ECU programming required

• Mazda 3 hybrid ECM 2020–2023

• Mazda 3 ECU petrol mild hybrid unit

Compatibility Table

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.