Spectra FI1603 Throttle Body Fuel Injection Assembly

The Spectra Premium FI1603 is a direct-fit replacement throttle body designed to restore proper fuel delivery and engine performance. As a critical component of the fuel injection system, the throttle body regulates the amount of air entering the engine, working in conjunction with the fuel injectors to maintain the correct air/fuel mixture for efficient combustion.

Key Features:

• Direct OEM replacement — no modifications required for installation
• Precision-machined throttle bore for accurate airflow metering
• Includes throttle position sensor (TPS) port and idle air control (IAC) passages where applicable
• Manufactured to meet or exceed original equipment specifications
• Corrosion-resistant construction for long-term durability
• 100% tested prior to packaging to ensure proper operation

Spectra Premium is a trusted North American manufacturer of OE-quality fuel system and thermal management components. The FI1603 throttle body is engineered for a precise fit and reliable performance, making it an ideal choice for restoring factory-level drivability and fuel efficiency.