Dorman 977-850 Fuel Injection Throttle Body

Overview of Dorman Fuel Injection Throttle Body 977-850

The Dorman 977-850 Fuel Injection Throttle Body is designed for Volkswagen vehicles including the Cabrio, Golf, and Jetta models. Engineered with precision, this throttle body ensures proper airflow and fuel delivery for gas fuel systems, helping maintain engine performance and efficiency.

• Compatible with Volkswagen Cabrio, Golf, and Jetta
• Constructed from durable aluminum with a silver finish
• Includes gasket or seal for secure installation
• Features an integrated idle air control motor
• Inlet diameter of 65mm and outlet diameter of 56mm
• Flanged inlet type and non-flanged outlet type
• Designed for gas fuel injection systems
• Single outlet with heater hose assembly
• Non-adjustable throttle body

Detailed Product Description

The Dorman 977-850 throttle body is crafted from aluminum, providing a lightweight yet robust component with a silver finish that resists corrosion. It features a 65mm flanged inlet and a 56mm non-flanged outlet, optimized for gas fuel injection systems commonly found in Volkswagen Cabrio, Golf, and Jetta models. This throttle body includes a gasket or seal to ensure a tight fit and prevent air or fuel leaks. Additionally, it comes equipped with an idle air control motor to help regulate engine idle speed effectively. The throttle body is non-adjustable, designed to meet OEM specifications for reliable performance.

Common Applications and Issues Addressed

• Restores proper throttle response and engine acceleration
• Resolves rough or unstable idle conditions
• Eliminates air leaks that can cause engine hesitation
• Improves fuel efficiency by maintaining correct airflow
• Replaces worn or damaged throttle bodies in Volkswagen Cabrio, Golf, and Jetta

Installation Notes and Tips

When installing the Dorman 977-850 throttle body, ensure the gasket or seal is properly seated to prevent leaks. Since mounting hardware is not included, reuse existing bolts or acquire OEM fasteners as needed. Verify compatibility with your specific Volkswagen model and engine type before installation. It is recommended to clean the throttle body mounting surface and surrounding components to ensure optimal sealing and performance.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. The 977-850 throttle body undergoes rigorous quality control to ensure durability and performance. Please refer to Dorman's official warranty policy for coverage details.