Standard Ignition S20468 Fuel Injection Throttle Body

Electronic throttle body for GM fuel injection systems

Standard Ignition S20468 is an electronic fuel injection throttle body built for direct replacement on select Chevrolet and GMC trucks and SUVs. It includes the throttle body gasket and throttle position sensor, and it requires the factory relearn procedure after installation.

Key features

• Electronic throttle body assembly with gasket included
• Throttle position sensor included
• Female 1-way connector with 6 male blade terminals
• No fuel injectors, spacer, or mounting hardware included
• Compatible with select Chevrolet Silverado 2500 HD, Silverado 3500 HD, Suburban 3500 HD, and GMC Sierra 2500 HD, Sierra 3500 HD, and Yukon applications
• Standard Ignition S20468 cross-references 12678312 and ETB798 for the same application

Detailed description

This Standard Ignition S20468 fuel injection throttle body is designed for vehicles that use electronic throttle control in the air and fuel delivery system. It is a practical replacement for GM applications where throttle response, idle quality, and airflow control depend on a properly functioning throttle body assembly. The included gasket supports a clean seal at installation, while the integrated throttle position sensor helps restore accurate throttle input feedback. Standard Ignition S20468 is listed for 2020-2021 Chevrolet Silverado 2500 HD and Silverado 3500 HD, 2020-2021 GMC Sierra 2500 HD and Sierra 3500 HD, 2016-2019 Chevrolet Suburban 3500 HD, and 2015 GMC Yukon, with factory relearn procedure required.

Common issues this part addresses

• Rough or unstable idle caused by throttle body wear or contamination
• Delayed throttle response or inconsistent acceleration
• Electronic throttle control faults related to sensor or actuator performance
• Air leakage at the throttle body sealing surface
• Driveability concerns after throttle body failure on GM fuel injection systems

Installation notes and tips

Standard Ignition S20468 uses a female connector with 6 blade terminals and is not adjustable. Verify connector style and OE application before installation. The gasket is included, but mounting hardware is not. After installation, perform the factory relearn procedure so the throttle control system can initialize correctly. This part is a direct-fit style replacement for select Chevrolet Silverado 2500 HD, GMC Sierra 3500 HD, and related GM applications listed above.

Quality assurance

Standard Ignition is a recognized aftermarket brand for ignition and engine management components. This throttle body is built to match the listed OE-style application requirements for the specified Chevrolet and GMC vehicles.