HomeTransmission > Manual Transmission ComponentsDorman CM39717 Clutch Master Cylinder
Part #: CM39717

Dorman CM39717 Clutch Master Cylinder

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⚙️ 5 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet, Corvette
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Overview of Dorman Clutch Master Cylinder CM39717

The Dorman Clutch Master Cylinder CM39717 is designed specifically for Chevrolet Corvette models requiring a reliable manual transmission component. This clutch master cylinder features a 0.688-inch bore diameter and M12 x 1.0 outlet thread size, ensuring precise hydraulic pressure for smooth clutch operation.

  • Bore diameter: 0.688 inches for accurate hydraulic control
  • Outlet thread size: M12 x 1.0 for secure fluid connection
  • Port thread diameter: M12 compatible with OEM fittings
  • Standard replacement grade for dependable performance
  • Includes clutch master cylinder in package contents

Detailed Product Description

The Dorman CM39717 clutch master cylinder is engineered as a standard replacement part for manual transmission systems in Chevrolet Corvette vehicles. Its 0.688-inch bore diameter is calibrated to provide consistent hydraulic pressure, which is critical for proper clutch engagement and disengagement. The M12 x 1.0 outlet thread size and M12 port thread diameter ensure compatibility with factory hydraulic lines, facilitating a straightforward installation process. This component is manufactured to meet OEM specifications, making it a practical choice for restoring clutch system functionality.

Applications and Problem Resolution

This clutch master cylinder is compatible with Chevrolet Corvette models equipped with manual transmissions. It addresses common clutch system issues such as:

  • Spongy or soft clutch pedal feel due to hydraulic leaks
  • Difficulty in shifting gears caused by insufficient hydraulic pressure
  • Clutch pedal sticking or failing to return properly
  • Fluid leaks from a worn or damaged master cylinder
  • Loss of clutch engagement resulting in slippage

Installation Notes and Tips

  • Ensure the hydraulic system is properly bled after installation to remove air pockets
  • Verify thread compatibility with existing hydraulic lines before installation
  • Use appropriate tools to avoid damaging the M12 threads during fitting
  • Inspect related clutch components for wear to prevent future issues
  • Follow vehicle manufacturer torque specifications for mounting bolts

Quality Assurance and Warranty

Dorman manufactures the CM39717 clutch master cylinder to meet industry standards for manual transmission components. This part is offered as a standard replacement grade product, providing reliable performance consistent with OEM requirements. While specific warranty details may vary, Dorman typically supports their parts with a limited warranty against defects in materials and workmanship.

BrandDorman
Part NumberCM39717
Bore Diameter0.688
Item GradeStandard Replacement
Outlet Thread SizeM12 X 1.0
Package ContentsClutch Master Cylinder
Port Thread DiameterM12

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
1988ChevroletCorvetteN/AFits drum brakes with 11/16" bore size.
1987ChevroletCorvetteN/AFits drum brakes with 11/16" bore size.
1986ChevroletCorvetteN/AFits drum brakes with 11/16" bore size.
1985ChevroletCorvetteN/AFits drum brakes with 11/16" bore size.
1984ChevroletCorvetteN/AFits drum brakes with 11/16" bore size.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1007982012070136.6200218M207939717CM116755CM1226CM250090CMA39717LMC117M0402M903104Q-82002SH5109

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.