Standard Ignition TBC641 Turbocharger

Turbocharger for OE-Style Boost Control

Standard Ignition TBC641 is a new turbocharger assembly built for direct replacement service on select GM compact and performance applications. It is engineered with tested rotating journal and thrust bearings for OE-matching operation, plus a precision-wound VGT actuator coil for quicker communication with the vehicle computer.

Compatible With 2007-2016 Buick, Chevrolet, Pontiac, and Saturn turbocharged applications, including Buick Verano, Buick Regal, Chevrolet Cobalt, Chevrolet HHR, Saturn Sky, and Pontiac Solstice. This part number, TBC641, is supplied with a gasket kit to support a cleaner installation process.

Key Features

• New turbocharger assembly for replacement service
• Tested rotating journal and thrust bearings for OE-style performance
• Precision-wound VGT actuator coil windings for faster response to the vehicle computer
• Includes gasket kit for installation support
• Includes vacuum operated wastegate valve
• Male blade terminals, 2-terminal configuration
• Hardware included

Detailed Description

Standard Ignition TBC641 is built as a 100% new turbocharger for drivers and technicians replacing a worn or failed boost unit on select Buick, Chevrolet, Pontiac, and Saturn vehicles. The internal bearing package is tested for journal and thrust bearing performance, helping the turbo operate with OE-matching characteristics. The actuator coil windings are precision wound to improve response time to the vehicle computer, which is important for controlled boost delivery and drivability. If you are sourcing TBC641 for a Buick Regal, Chevrolet Cobalt, or Pontiac Solstice turbocharger replacement, this unit is designed for that type of service work.

This part cross-references Dorman OE Solutions 917-153 for the same application.

What It Helps Address

• Loss of boost pressure from a worn turbocharger
• Slow turbo response or inconsistent boost control
• Noise or wear related to journal and thrust bearing failure
• Check engine concerns tied to turbo actuator response
• Installation delays caused by missing gasket components

Installation Notes and Tips

• Verify vehicle application by year, make, and model before installation.
• Inspect oil supply and return lines, intake plumbing, and exhaust connections during replacement.
• Confirm the vacuum operated wastegate valve and electrical terminal style match the original setup.
• Use the included gasket kit to help seal mating surfaces during installation.
• Prime the turbocharger according to service procedures before initial start-up.

Quality Assurance

Standard Ignition supplies this turbocharger as a new replacement part with tested bearing components and actuator coil windings built for OE-style operation. The design focuses on consistent fitment, controlled boost response, and service-ready installation.

Fits 2013-2016 Buick Verano, N/A; Fits 2011-2013 Buick Regal, N/A; Fits 2008-2010 Chevrolet Cobalt, N/A; Fits 2008-2010 Chevrolet HHR, N/A; Fits 2007-2010 Saturn Sky, N/A; Fits 2007-2009 Pontiac Solstice, N/A.