Dorman CM36066 Clutch Master Cylinder

Clutch Master Cylinder Replacement

Dorman CM36066 is a direct replacement clutch master cylinder for specific manual transmission applications. It is precision-engineered to match the original equipment design, making it a practical choice when the factory unit is leaking, sticking, or no longer building hydraulic pressure correctly.

Built as a standard replacement, this clutch master cylinder uses a 1.125 bore diameter and 2 x 1/2-20 outlet thread size. It is a fit-focused solution for drivers searching for a clutch master cylinder for manual transmission repair on select vehicle applications, including Chevrolet S10 and GMC Sonoma.

Key Features

• Direct replacement for the original clutch master cylinder design
• Standard replacement grade for everyday repair use
• 1.125 bore diameter for OE-style hydraulic operation
• 2 x 1/2-20 outlet thread size
• Includes clutch master cylinder only
• Part number CM36066 for catalog and cross-reference lookup

Detailed Description

This Dorman clutch master cylinder is engineered to match the original equipment layout in specific vehicle years, makes, and models. For manual transmission systems, the master cylinder converts pedal movement into hydraulic pressure for clutch release operation. When the original unit wears internally or begins leaking, replacement with a correctly matched cylinder helps restore consistent pedal feel and hydraulic response. CM36066 is a direct-fit replacement for buyers looking for a clutch master cylinder for Chevrolet S10 or GMC Sonoma manual transmission service.

This part cross-references BBB Industries 11163 for the same application. The CM36066 part number also appears in aftermarket interchange listings, which can help with catalog matching during clutch hydraulic system repair.

Common Repair Symptoms

• Clutch pedal sinks or feels soft
• Hydraulic fluid leakage at the master cylinder
• Difficulty disengaging the clutch
• Inconsistent clutch pedal engagement point
• Loss of hydraulic pressure in the clutch system

Installation Notes and Tips

Before installation, confirm the bore diameter and outlet thread size match the original unit. Inspect the clutch hydraulic line, reservoir connection, and related components for wear or contamination before installing the replacement cylinder. After installation, bleed the hydraulic system thoroughly to remove trapped air and verify proper pedal operation.

Quality Assurance

Dorman manufactures this clutch master cylinder as a direct replacement part designed to follow the original equipment design for the listed applications. The standard replacement construction and OE-style dimensions support accurate catalog matching for manual transmission clutch repair.