Dorman 977-819 Fuel Injection Throttle Body - Right

Overview of Dorman Fuel Injection Throttle Body 977-819

The Dorman 977-819 Fuel Injection Throttle Body is designed for precise electronic throttle control in select Nissan and Infiniti vehicles. Engineered with durable aluminum and featuring an integrated throttle position sensor, this throttle body supports efficient fuel delivery and engine performance.

• Compatible with Nissan and Infiniti models including 350Z, 370Z, G35, G37, Q50, Q60, FX35, FX37, EX35, EX37, M35, M37, Q70, Q70L, QX50, and QX70
• Electronic throttle body with integrated throttle position sensor for accurate throttle response
• Constructed from aluminum and PBT housing for durability and heat resistance
• Inlet diameter of 2.7 inches with flanged inlet and non-flanged outlet
• Single outlet with 2.36-inch diameter designed for gas fuel injection systems
• Includes one throttle body unit; mounting hardware and gaskets not included
• Electrical connection features a 6-pin male connector for secure fitment

Detailed Product Description

The Dorman 977-819 throttle body is a direct replacement part engineered to meet the specifications of the original equipment manufacturer. Its aluminum construction ensures strength and resistance to corrosion, while the natural finish maintains a clean, functional appearance. The electronic throttle body type provides precise control over air intake, improving throttle response and fuel efficiency. The integrated throttle position sensor is included to monitor the throttle plate position, enabling the engine control unit to adjust fuel injection accordingly. This throttle body is designed for gas fuel systems and features a flanged inlet with a 2.7-inch bore diameter and a single non-flanged outlet measuring 2.36 inches in diameter.

Common Applications and Issues Addressed

• Restores proper throttle response and engine acceleration in Nissan 350Z and Infiniti G37 models
• Resolves rough idling or stalling caused by faulty throttle body components
• Eliminates check engine light triggers related to throttle position sensor faults
• Improves fuel efficiency and drivability in Infiniti Q50 and Nissan FX35 vehicles
• Addresses hesitation or poor throttle control in Nissan 370Z and Infiniti Q60

Installation Notes and Tips

• Ensure the throttle body mounting surface is clean and free of debris before installation
• Use new gaskets or seals as they are not included with this part
• Verify electrical connector pins align properly to avoid damage during installation
• Follow vehicle-specific torque specifications for mounting bolts
• After installation, perform throttle body relearn procedures as recommended by the vehicle manufacturer

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 977-819 throttle body undergoes rigorous quality control testing to ensure proper fit and function. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.