Hitachi ETB0101 Fuel Injection Throttle Body

Hitachi ETB0101 Electronic Throttle Body

Hitachi ETB0101 is an electric fuel injection throttle body built for precise throttle control, fast response, and stable engine mapping. It is a direct-fit style replacement for select Mazda applications, including Mazda 3, Mazda 3 Sport, Mazda 5, Mazda 6, CX-3, and CX-5 models.

With a 55 mm bore, integrated throttle position sensor, and a sealed electronic design, this throttle body supports accurate airflow control for drivability, fuel economy, and emissions performance.

Key Features

• Electric throttle body with electronic actuation
• 55 mm bore diameter for controlled airflow
• Throttle position sensor included
• Gasket or seal included
• 6-pin male terminal connection with oval connector shape
• Protected internal circuitry and precision gear design
• Mounting hardware not included
• Idle air control motor not included

Product Details

The Hitachi ETB0101 electronic throttle body is engineered for vehicles that rely on precise throttle input and consistent airflow management. Its precision TPS circuitry helps maintain accurate engine mapping, which supports smooth throttle response and efficient operation. High-quality materials and protected internal components are used to help the unit maintain shape and function under demanding underhood conditions. This part cross-references Standard Ignition S20412 for the same application.

Compatible With select Mazda applications, including Fits 2006-2018 Mazda 3, N/A; Fits 2009-2014 Mazda 3 Sport, N/A; Fits 2008-2010 Mazda 5, N/A; Fits 2006-2008 Mazda 6, N/A; Fits 2013-2016 Mazda CX-5, N/A; and Fits 2016-2018 Mazda CX-3, N/A. The Hitachi ETB0101 is a practical OE-style replacement when the original throttle body is worn, contaminated, or no longer responding correctly.

Common Issues This Part Can Address

• Unstable idle caused by throttle body wear or contamination
• Delayed throttle response from failing electronic actuation
• Driveability concerns related to inaccurate throttle position feedback
• Reduced fuel economy from poor airflow control
• Emissions-related faults tied to throttle body performance

Installation Notes

Verify connector style, 6-pin terminal layout, and 55 mm bore size before installation. The gasket or seal is included, but mounting hardware is not included. Clean the intake mating surface thoroughly and inspect the intake tract for carbon buildup or debris before fitting the new throttle body. After installation, follow the vehicle-specific throttle relearn or idle relearn procedure if required.

Quality Assurance

Hitachi electronic throttle bodies are built with precision sensor circuitry, durable internal gearing, and protected electronics to support reliable operation in demanding conditions. ETB0101 is manufactured to match the needs of specific Mazda applications for consistent throttle control and dependable performance.