Spectra TB1045 Fuel Injection Throttle Body

The Spectra TB1045 fuel injection throttle body assembly is built for direct replacement service on select GM applications. It is engineered and tested to meet OE requirements, with performance that matches or exceeds the original throttle body it replaces.

• Electronic throttle body assembly for fuel injection systems
• OE-style replacement for select Buick and Cadillac vehicles
• Built and validated to meet original equipment requirements
• Supports precise throttle response and air management
• Cross-references Bosch 0280750202 and Standard Ignition S20004

Vehicle Fitment

• Fits 2005-2008 Buick LaCrosse, N/A
• Fits 2004-2006 Buick Rendezvous, N/A
• Fits 2004-2007 Cadillac CTS, N/A
• Fits 2005-2007 Cadillac STS, N/A
• Fits 2004-2006 Cadillac SRX, N/A

Detailed Description

Designed for electronic throttle control systems, Spectra TB1045 helps restore proper airflow management between the accelerator input and the engine intake system. This fuel injection throttle body assembly is a direct-fit replacement for select Buick LaCrosse, Buick Rendezvous, Cadillac CTS, Cadillac STS, and Cadillac SRX applications, making it a practical choice for throttle response concerns on covered vehicles. The TB1045 is a fitment-based replacement for 2004-2008 GM platforms where the original throttle body has worn, become contaminated, or no longer responds correctly.

This part cross-references Bosch 0280750202 and Standard Ignition S20004 for the same application.

Common Issues This Part May Address

• Rough or unstable idle caused by throttle body wear or contamination
• Delayed throttle response during acceleration
• Electronic throttle control faults related to airflow regulation
• Sticking throttle plate movement from carbon buildup
• Driveability problems on select Buick and Cadillac models

Installation Notes and Tips

Before installation, inspect the intake tract, throttle body bore, and related sensors for carbon buildup or damage. After replacement, follow the vehicle manufacturers relearn or calibration procedure if required for the electronic throttle system. Verify connector condition and ensure all mating surfaces are clean before reassembly.

Quality Assurance

Spectra Premium states that its electronic throttle bodies are developed and tested to meet OE requirements, and the TB1045 is built to meet or exceed the performance of the original equipment it replaces.