Dorman 977-018 Fuel Injection Throttle Body

Overview of Dorman Fuel Injection Throttle Body 977-018

The Dorman 977-018 Fuel Injection Throttle Body is designed for precise airflow control in gas fuel systems. Engineered for select Buick and Cadillac models, this electronic throttle body ensures consistent performance and reliable operation.

• Compatible with Buick LaCrosse, Rendezvous, and Cadillac CTS, SRX, STS models
• Constructed from durable aluminum with a silver finish
• Electronic throttle body type for accurate throttle response
• Inlet diameter of 2.91 inches with flanged inlet type
• Single outlet with a 2.68-inch bore diameter and non-flanged outlet
• Airflow rate rated at 97
• Designed for gas fuel injection systems

Detailed Product Description

The Dorman 977-018 throttle body is crafted from aluminum, providing a lightweight yet sturdy component with a silver finish that resists corrosion. Its electronic design allows for precise control of the throttle plate, optimizing air intake for gas fuel systems. The inlet features a flanged design with a 2.91-inch diameter, while the outlet is non-flanged with a 2.68-inch bore diameter, supporting efficient airflow. This throttle body does not include mounting hardware, gaskets, seals, fuel injectors, or an idle air control motor, so these components must be sourced separately if needed.

Applications and Common Issues Addressed

• Restores proper throttle response and engine performance in Buick LaCrosse and Rendezvous models
• Resolves rough idling or stalling issues in Cadillac CTS, SRX, and STS vehicles
• Eliminates hesitation or poor acceleration caused by faulty throttle bodies
• Improves fuel efficiency by ensuring accurate air-fuel mixture control
• Replaces worn or damaged throttle bodies to maintain emission standards

Installation Notes and Tips

• Verify compatibility with your specific Buick or Cadillac model before installation
• Ensure all related components such as gaskets and seals are replaced to prevent air leaks
• Electronic throttle body requires proper electrical connections; inspect wiring harnesses for damage
• Calibration or relearn procedures may be necessary after installation to optimize performance

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM specifications, providing reliable fit and function. While specific warranty details for part number 977-018 are not provided here, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.