HomeTransmission > Manual Transmission ComponentsDorman CM640035 Clutch Master Cylinder
Part #: CM640035

Dorman CM640035 Clutch Master Cylinder

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⚙️ 45 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Volkswagen and Audi, Clasico, Beetle, GTI, TT, TT Quattro, Golf, and Jetta
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Reliable Clutch Master Cylinder for Audi and Volkswagen Models

The Dorman CM640035 clutch master cylinder is designed as a standard replacement part for select Audi and Volkswagen vehicles. Engineered with a 0.625-inch bore diameter, this component ensures consistent hydraulic pressure for smooth clutch operation in models like the Audi TT and Volkswagen Golf.

Key Features of the Dorman CM640035 Clutch Master Cylinder

  • Standard replacement grade for dependable performance
  • Precisely engineered 0.625-inch bore diameter for optimal hydraulic function
  • Includes clutch master cylinder in package contents
  • Compatible with multiple Audi and Volkswagen models including Beetle, Clasico, Golf, GTI, Jetta, TT, and TT Quattro
  • Durable construction designed to meet OEM specifications

Detailed Product Description

The Dorman CM640035 clutch master cylinder is a critical component in the manual transmission hydraulic system. Its 0.625-inch bore diameter is calibrated to provide the correct hydraulic pressure needed to engage and disengage the clutch smoothly. This part is a direct replacement for the original equipment on various Audi and Volkswagen models, including the Beetle, Clasico, Golf, GTI, Jetta, TT, and TT Quattro. The standard replacement grade ensures reliable operation without the need for extensive modifications or adjustments.

Common Applications and Issues Addressed

  • Restores clutch hydraulic pressure for smooth pedal feel
  • Eliminates clutch engagement problems caused by master cylinder failure
  • Resolves fluid leaks that lead to clutch slippage or incomplete disengagement
  • Prevents air ingress in the hydraulic system that causes spongy clutch pedal
  • Addresses clutch pedal sticking or inconsistent travel

Installation Notes and Tips

  • Compatible with manual transmission systems on specified Audi and Volkswagen models
  • Ensure proper bleeding of the hydraulic system after installation to remove air pockets
  • Inspect related components such as the clutch slave cylinder and hydraulic lines during replacement
  • Use manufacturer-recommended brake fluid to maintain system integrity

Quality Assurance and Warranty

Dorman manufactures the CM640035 clutch master cylinder to meet or exceed OEM standards for fit, form, and function. This part undergoes rigorous quality control to ensure durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in materials and workmanship.

BrandDorman
Part NumberCM640035
Bore Diameter0.625
Item GradeStandard Replacement
Package ContentsClutch Master Cylinder

This part fits 45 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2015VolkswagenClasicoN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2010VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2009VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2008VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2007VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2007VolkswagenGTIN/A
2006AudiTTN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2006AudiTT QuattroN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2006VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2006VolkswagenGolfN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2006VolkswagenGTIN/A
2005AudiTTN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2005AudiTT QuattroN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2005VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2005VolkswagenGolfN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2005VolkswagenJettaN/ATo VIN 9M-5-149 999
2004AudiTTN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004AudiTT QuattroN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004VolkswagenGolfN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2004VolkswagenJettaN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003AudiTTN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003AudiTT QuattroN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003VolkswagenGolfN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2003VolkswagenJettaN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002AudiTTN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002AudiTT QuattroN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002VolkswagenGolfN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2002VolkswagenJettaN/ABore: 5/8 In.; From VIN 1K-5-600 001
2001AudiTTN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001AudiTT QuattroN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001VolkswagenGolfN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2001VolkswagenJettaN/ABore: 5/8 In.; From VIN 1K-5-600 001
2000AudiTTN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000AudiTT QuattroN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000VolkswagenGolfN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
2000VolkswagenJettaN/ABore: 5/8 In.; From VIN 1K-5-600 001
1999VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999VolkswagenGolf2.0LL4N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1999VolkswagenJetta2.0LL4N/ACompatible with drum brake wheel cylinders featuring a 5/8" bore size.
1998VolkswagenBeetleN/ACompatible with drum brake wheel cylinders featuring a 5/8" 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:

072-9321136.330101J1721388A350177CM1325CM140446CM452230CMA350177LMC351M1711

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