Spectra TB1121 Fuel Injection Throttle Body Assembly

Overview of Spectra Fuel Injection Throttle Body Assembly TB1121

The Spectra TB1121 Fuel Injection Throttle Body Assembly is designed specifically for Lexus GS300 and IS250 models. This component plays a critical role in regulating air intake for optimal engine performance and fuel efficiency.

• Compatible with Lexus GS300 and IS250 vehicles
• Direct replacement for original throttle body assembly
• Ensures precise air and fuel delivery for smooth engine operation
• Manufactured to meet OEM specifications
• Part number TB1121 for accurate identification

Detailed Product Description

The Spectra TB1121 throttle body assembly is engineered to maintain proper airflow to the engine’s intake manifold, which is essential for the fuel injection system to function correctly. This assembly is a vital component in the air and fuel delivery system, ensuring that the Lexus GS300 and IS250 models receive the correct air volume for combustion. By replacing a faulty or worn throttle body with the Spectra TB1121, you can restore engine responsiveness and maintain fuel efficiency. The part is designed to meet or exceed OEM standards, providing reliable performance and durability.

Common Applications and Issues Addressed

• Restores proper throttle response and engine idle stability
• Resolves rough idling or stalling caused by throttle body malfunction
• Eliminates hesitation or poor acceleration in Lexus GS300 and IS250
• Corrects check engine light triggers related to air intake problems
• Improves fuel economy by ensuring accurate air-fuel mixture

Installation Notes and Tips

• Ensure vehicle compatibility with Lexus GS300 or IS250 before installation
• Disconnect the battery prior to removal to prevent electrical issues
• Clean the throttle body mounting surface before installing the new assembly
• Check and replace any worn gaskets or seals during installation
• Perform a throttle body relearn procedure if required by the vehicle’s ECU

Quality Assurance and Warranty Information

The Spectra TB1121 throttle body assembly is manufactured under strict quality control standards to ensure consistent performance and durability. It is designed to meet OEM specifications for fit and function. While specific warranty details may vary, Spectra products typically include a limited warranty against defects in materials and workmanship, providing confidence in the product’s reliability for Lexus GS300 and IS250 owners.