Spectra TB1066 Fuel Injection Throttle Body Assembly

Spectra TB1066 Fuel Injection Throttle Body

The Spectra TB1066 fuel injection throttle body assembly is built for electronic throttle control applications that require OE-level fit and function. It is a direct replacement for select Buick, Cadillac, and other GM vehicles, including Lucerne, DTS, STS, SRX, and XLR models.

• Electronic throttle body assembly for fuel injection systems
• Engineered and tested to meet OE requirements
• Built to match the performance of the original equipment it replaces
• Direct-fit replacement for select GM applications
• Part number TB1066 for easy identification

Vehicle Fitment

• Fits 2006-2011 Buick Lucerne, N/A
• Fits 2006-2011 Cadillac DTS, N/A
• Fits 2008-2010 Cadillac STS, N/A
• Fits 2007-2009 Cadillac SRX, N/A
• Fits 2007-2009 Cadillac XLR, N/A

This part cross-references Standard Ignition S20085 for the same application.

What It Helps Fix

• Throttle response issues caused by a worn electronic throttle body
• Idle instability related to throttle plate control problems
• Driveability concerns tied to inconsistent air metering
• Check engine light conditions associated with throttle body faults
• Reduced acceleration performance from throttle control wear

Installation Notes

Verify connector style, calibration requirements, and engine application before installation. After replacement, follow the vehicle-specific relearn or throttle adaptation procedure if required by the service manual. Confirm fitment by matching TB1066 to the vehicle application before ordering.

Quality Assurance

Spectra Premium states that its electronic throttle bodies are developed and tested to meet OE requirements, with replacement performance aligned to the original equipment they replace.