Dorman CM640035 Clutch Master Cylinder

Brand Dorman CM640035
Bore Diameter 0.625
Item Grade Standard Replacement
Package Contents Clutch Master Cylinder
Fits Volkswagen and Audi · 45 vehicles

Direct replacement. Precision-engineered to match the original equipment design.

Standard replacement. A dependable clutch master cylinder for restoring hydraulic operation.

Clutch master cylinder. Built as a manual transmission component for reliable replacement.

Cross-references AMS Automotive M1711, Beck/Arnley 072-9321 and Centric Parts 136.33010 for the same application. See all 10.

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Clutch Master Cylinder Replacement

The Dorman CM640035 clutch master cylinder is a direct replacement for specific Volkswagen and Audi manual transmission applications. It is precision-engineered to match the original equipment design, helping restore consistent clutch hydraulic operation when the original unit is leaking or malfunctioning.

Built as a standard replacement with a 0.625 bore diameter, this clutch master cylinder supports reliable pedal feel and hydraulic pressure in vehicles such as the Volkswagen Beetle, Golf, Jetta, GTI, Clasico, and Audi TT/TT Quattro.

Key Features

  • Direct replacement clutch master cylinder for select manual transmission vehicles
  • Precision-engineered to match original equipment design
  • Standard replacement grade for everyday service use
  • 0.625 bore diameter for specified applications
  • Package contents: clutch master cylinder
  • Cross-reference part numbers include Beck/Arnley 072-9321 and LuK LMC351

Detailed Description

Dorman CM640035 is a clutch master cylinder for manual transmission systems where the original unit has developed leaks, internal wear, or inconsistent hydraulic response. It is designed for specific Volkswagen and Audi fitments, including 1998-2010 Volkswagen Beetle, 1999-2006 Volkswagen Golf, 1999-2005 Volkswagen Jetta, 2006-2007 Volkswagen GTI, and 2000-2006 Audi TT and TT Quattro applications. The 0.625 bore diameter is an important match point for proper clutch hydraulic performance, and the OE-style design supports a straightforward replacement path for service work on these vehicles.

What It Helps Address

  • Clutch fluid leakage from a worn master cylinder
  • Soft, inconsistent, or fading clutch pedal feel
  • Difficulty disengaging the clutch during shifting
  • Hydraulic pressure loss in the clutch system
  • Replacement needs after internal seal or bore wear

Installation Notes and Tips

Verify the bore diameter and vehicle-specific fitment before installation. Confirm the VIN breakpoints listed for select Volkswagen Jetta applications, including 2000-2002 models from VIN 1K-5-600 001 and 2005 models to VIN 9M-5-149 999. After installation, bleed the clutch hydraulic system according to the vehicle service procedure to remove trapped air and restore proper pedal operation.

Quality Assurance

Dorman manufactures this clutch master cylinder as a direct replacement component engineered to match original equipment design for the listed applications. Part number CM640035 is built for standard replacement service in select Volkswagen and Audi manual transmission vehicles.

This part fits 45 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
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.
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AMS Automotive — M1711Beck/Arnley — 072-9321Centric Parts — 136.33010LuK — LMC351PERFECTION — 3501771J1721388ACM1325CM140446CM452230CMA350177