Dorman - First Stop Clutch Master Cylinder P/N:CM640035

$122.99
MPN: CM640035
Item Package Quantity: 1
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Dorman - First Stop Clutch Master Cylinder P/N:CM640035
Dorman - First Stop Clutch Master Cylinder P/N:CM640035
$122.99

Convert clutch-pedal effort into the hydraulic pressure that disengages the clutch with the Dorman - First Stop Clutch Master Cylinder CM640035. It drops in as a direct-fit replacement across a range of Audi and Volkswagen models, including the 2000-2006 Audi TT [L4-1.8L], 2004-2006 Audi TT Quattro [V6-3.2L], 1998-2006 Volkswagen Beetle [L4-1.9L], 1999-2006 Volkswagen Golf [L4-2.0L], and 1999-2005 Volkswagen Jetta [L4-2.0L] — see the Buyer's Guide tab for the full list of 18 applications and engine codes.

  • Direct replacement: built to match the original clutch master cylinder on the listed vehicles.
  • Precise design: reverse-engineered from the original equipment to install and function like the unit it replaces.
  • Durable materials: includes high-grade rubber components for compatibility with standard brake fluid.
  • 0.625 in inside diameter bore; backed by a team of engineers and quality-control experts in the United States.

If a leaking or malfunctioning clutch master cylinder is the cause of a spongy clutch pedal or trouble shifting, this replaces it. Country of origin: China.

Interchange: M1711 · 072-9321 · 0729321 · 136.33010 · 137.33010 · CM452230 · LMC351 · CM1325 · 350177 · CMA350177 · 1J1721388A · 1J1721388C · 1J1721388G · CM140446 · F140446. Manufacturer part number CM640035.

This part cross-references / interchanges with the following part numbers:

M1711, 072-9321, 136.33010, 137.33010, CM452230, LMC351, CM1325, 350177, CMA350177, 1J1721388A, 1J1721388C, 1J1721388G, CM140446, F140446

Frequently Asked Questions

What does this clutch master cylinder do?

It converts clutch-pedal effort into hydraulic pressure that actuates the clutch release. This CM640035 unit is a direct replacement for the original master cylinder on the listed vehicles.

Which vehicles does the CM640035 fit?

It fits select Audi TT/TT Quattro and Volkswagen Beetle, Golf, GTI, Jetta and Clasico models with engines including L4-1.8L, L4-1.9L, L4-2.0L, L5-2.5L, V6-2.8L and V6-3.2L. See the Buyer's Guide tab for the full list.

What is the inside diameter?

The inside diameter (bore) is 0.625 in.

Is it compatible with standard brake fluid?

Yes. It includes high-grade rubber components designed for compatibility with standard brake fluid.

What are signs this part may need replacing?

A leaking or malfunctioning clutch master cylinder, a spongy clutch pedal, or difficulty shifting can be signs. Diagnose the cause first; if the master cylinder is at fault, this replaces it.