Hitachi ETB0077 Fuel Injection Throttle Body

Hitachi ETB0077 Electronic Throttle Body

Hitachi ETB0077 is a new electric fuel injection throttle body built for precise airflow control and fast throttle response. It is engineered for vehicles that need accurate throttle position feedback, stable engine mapping, and consistent drivability.

• Electric actuation for electronic throttle control
• Precision throttle position sensor circuitry for accurate engine mapping
• 44.0 mm bore diameter noted in fitment data
• 6-terminal blade connector with male terminals
• Protected internal circuitry and durable internal gear design
• New replacement part from Hitachi

Vehicle Fitment

• Fits 2013-2021 Buick Encore, N/A
• Fits 2013-2021 Chevrolet Trax, N/A
• Fits 2012-2020 Chevrolet Sonic, N/A
• Fits 2016 Chevrolet Cruze Limited, N/A
• Fits 2014-2015 Chevrolet Cruze, N/A
• Fits 2011-2013 Chevrolet Cruze, N/A

This Hitachi ETB0077 throttle body is built to match the exact electronic throttle requirements of the listed Buick and Chevrolet applications. It uses precision TPS circuitry to maintain accurate throttle input signals, helping the engine control module manage airflow, fuel delivery, idle quality, and emissions performance. This part cross-references 55565489 for the same application.

Common Repair Symptoms

• Rough or unstable idle
• Delayed throttle response
• Reduced fuel economy from inaccurate airflow control
• Check engine light related to throttle position or throttle actuator faults
• Driveability issues caused by worn or contaminated throttle body components

Installation Notes

Verify connector style, terminal count, and bore diameter before installation. This unit uses an electric actuator and a 6-terminal blade connector with male terminals. After installation, perform any required throttle relearn or idle relearn procedure specified by the vehicle manufacturer.

Quality Assurance

Hitachi designs its electronic throttle bodies with durable materials, protected circuitry, and application-specific calibration to support reliable operation under demanding conditions. ETB0077 is a new part engineered for direct replacement use on the listed vehicles.