Centric 138.66007 Clutch Slave Cylinder

Centric Clutch Slave Cylinder for Manual Transmissions

The Centric Premium Clutch Slave Cylinder, part number 138.66007, is built for manual transmission clutch hydraulic service where consistent pedal response and fluid control matter. With a 30.60 mm bore diameter and a quick connect port type, it is a direct-fit style replacement for select Chevrolet Silverado 1500, GMC Sierra 1500, and related GM truck applications.

Centric Premium Clutch Slave Cylinders are part of a broad clutch hydraulic line engineered to meet or exceed original equipment specifications. That focus on OE-level dimensions and function helps support proper clutch release performance in GM manual transmission systems.

Key Features

• Part number 138.66007 for clutch hydraulic replacement
• 30.60 mm bore diameter for specified hydraulic operation
• Quick connect port type for the listed applications
• OE-spec engineered replacement from Centric Premium Clutch Slave Cylinders
• Built for manual transmission clutch actuation service

Vehicle Fitment

• Fits 2007-2008 Chevrolet Silverado 1500, N/A
• Fits 2008 GMC Sierra 1500, N/A
• Fits 2007 Chevrolet Silverado 1500 Classic, N/A
• Fits 2007 Chevrolet Silverado 1500 Classic, N/A; MG5 trans code
• Fits 2007 GMC Sierra 1500 Classic, N/A
• Fits 2007 GMC Sierra 1500 Classic, N/A; MG5 trans code
• Fits 2006 Chevrolet Silverado 1500, N/A; MG5 trans code
• Fits 2006 GMC Sierra 1500, N/A; MG5 trans code
• Fits 2002-2004 Chevrolet Blazer, N/A
• Fits 2002-2004 Chevrolet S10, N/A
• Fits 2002-2004 GMC Sonoma, N/A
• Fits 2002-2003 GMC Jimmy, N/A
• Fits 2001-2002 Chevrolet Silverado 3500, N/A
• Fits 2001-2002 GMC Sierra 3500, N/A

What It Helps Resolve

• Hard or inconsistent clutch pedal engagement
• Hydraulic fluid leakage at the slave cylinder
• Incomplete clutch release during shifting
• Loss of clutch pedal pressure in manual transmission systems
• Wear-related hydraulic performance issues in the clutch circuit

Installation Notes and Tips

Verify the bore diameter, port style, and transmission code before ordering. This part number 138.66007 is listed for specific GM manual transmission applications, including MG5-equipped trucks where noted. For best results, match the vehicle year, make, model, and transmission details exactly to the fitment list before installation.

Quality Assurance

Centric positions this clutch slave cylinder line as an OE-spec replacement range for clutch master and slave cylinder service. The brand’s premium clutch hydraulic components are engineered to meet or exceed original equipment specifications for the listed applications.