Hitachi ETB0074 Electronic Throttle Body Assembly with TPS

The Hitachi ETB0074 Electronic Throttle Body is a premium OEM-quality replacement designed to restore precise throttle control and optimal engine performance. As a Tier 1 original equipment supplier, Hitachi Astemo manufactures this throttle body to meet or exceed factory specifications for GM vehicles equipped with 3.0L and 3.6L engines.

Key Features:

• Direct replacement for GM OEM part number 12604075
• Integrated Throttle Position Sensor (TPS) with precision circuitry for accurate engine mapping
• Application-specific gear ratios and materials ensure precise control with reduced motor wear
• High-quality construction withstands extreme temperatures without deformation or malfunction
• Optimizes fuel economy and performance while reducing emissions
• 100% new, never remanufactured component
• Includes gasket for complete installation

This electronic throttle body controls airflow into the engine through a butterfly valve that responds to signals from the engine control unit. The advanced TPS circuitry maintains smooth idle conditions and precise air flow metering, restoring original drivability characteristics. Every unit is extensively tested for durability and consistent accuracy before leaving the factory.

Cross-Reference Numbers: Dorman 977-314, Spectra Premium TB1044, Cardone 67-3019, GM 12604075