Hitachi ETB0066 Fuel Injection Throttle Body

Overview of Hitachi ETB0066 Electric Throttle Body

The Hitachi ETB0066 is a new electric fuel injection throttle body designed for select Chevrolet and GMC trucks and SUVs. Engineered to provide precise throttle control, this component supports optimal engine performance and fuel efficiency in vehicles like the Chevrolet Silverado 1500 and GMC Sierra 1500.

• Electric actuation type for accurate throttle response
• 80.0 mm bore diameter ensuring proper airflow
• Includes throttle position sensor for real-time monitoring
• Compatible with Chevrolet and GMC models including Silverado 1500, Sierra 1500, Tahoe, Yukon, and more
• New, direct replacement part manufactured by Hitachi
• Features 6 male terminals for secure electrical connections

Detailed Product Description

The Hitachi ETB0066 throttle body is a critical component in the fuel injection system, responsible for regulating the amount of air entering the engine. This electric throttle body features an 80.0 mm bore diameter, which matches factory specifications for smooth airflow and engine responsiveness. The integrated throttle position sensor provides accurate feedback to the engine control unit, enabling precise fuel delivery and improved drivability. Designed specifically for Chevrolet and GMC vehicles such as the Cheyenne, Sierra 1500 Limited, Silverado 1500 LD, Tahoe, Yukon, and Yukon XL, this part ensures compatibility and reliable performance.

Common Applications and Problem Resolution

• Restores proper throttle response and engine acceleration
• Resolves rough idling or stalling caused by faulty throttle bodies
• Eliminates check engine light issues related to throttle position sensor faults
• Improves fuel efficiency by maintaining accurate air-fuel mixture
• Addresses hesitation or surging during acceleration

Installation Notes and Tips

Installation of the Hitachi ETB0066 throttle body requires basic mechanical skills and proper tools. Ensure the vehicle’s battery is disconnected before removal to prevent electrical damage. Since this part does not include a gasket or hardware, reuse existing components or acquire replacements as needed. Verify electrical connections match the 6 male terminal configuration for secure fitment. Calibration or relearn procedures may be necessary after installation to optimize throttle response.

Quality Assurance and Warranty

Manufactured by Hitachi, the ETB0066 throttle body meets OEM standards for durability and performance. This new part undergoes rigorous quality control to ensure reliable operation in Chevrolet and GMC vehicles. Warranty coverage details should be confirmed with the parts provider, but Hitachi products typically include limited warranties against manufacturing defects.