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Dorman M390111 Brake Master Cylinder OE Replacement

(Audi S4 2004-09, TT Quattro 2008-09, A3 Quattro 2006-09; Volkswagen Jetta 2002-10, Beetle 2006, Passat 2006-10, 2012-16, Golf 2004-06 + 8 more models)

Part of: Dorman Brake Master Cylinder Replacement

Other options in this family: Dorman M39298 Dorman M19012 Dorman M390139 Dorman M630735 Dorman M390200

Manufacturer

Picture for manufacturer Dorman

Part Number

M390111
7 reviews
Sale Price

$106.93

In Stock (5)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Dorman M390111 is a direct-fit replacement brake master cylinder engineered to restore proper braking system performance. Precision-manufactured to match the original equipment design, this master cylinder ensures a seamless fit and reliable function without the need for modifications.

Key Features:

  • Precision-engineered to OE specifications for an exact fit replacement
  • Constructed from new, high-quality materials — not remanufactured
  • Designed to match the original master cylinder in form, function, and performance
  • Helps restore proper brake pedal feel and hydraulic pressure
  • Built to meet or exceed original equipment standards for safe, durable operation

The brake master cylinder is the heart of your hydraulic braking system, converting pedal force into the hydraulic pressure needed to activate your brake calipers and wheel cylinders. A failing master cylinder can result in a spongy pedal, brake fluid leaks, or complete brake failure — making timely replacement critical to vehicle safety. The Dorman M390111 provides a dependable, like-new solution using quality new components.

Products specifications

Fits

Audi S4 2004-09, TT Quattro 2008-09, A3 Quattro 2006-09; Volkswagen Jetta 2002-10, Beetle 2006, Passat 2006-10, 2012-16, Golf 2004-06, CC 2009-17, Eos 2007-08, R32 2008; Chrysler New Yorker 1993-96, Concorde 1993-97, LHS 1994-97 + 2 more models

Feature - Benefit 1

Cylinder housing is constructed from high-quality cast iron or aluminum for long-lasting durability

Feature - Benefit 2

All rubber components are of high-quality EPDM compound for resistance to glycol-based brake fluid

Feature - Benefit 3

Direct replacement for a proper fit

Feature - Benefit 4

Manufactured to strict engineering quality standards, each Brake Master Cylinder meets S.A.E. specifications

Number of Outlets

2

Rearward Outlet Size

M12 X 1.0

Thread Pitch

1.0

Master Cylinder Material

Aluminum

Master Cylinder Bore Diameter

0.938

Sensor Included

No

Package Contents

Master Cylinder

Mounting Hardware Included

No

Reservoir Included

Yes

Secondary Outlet Thread Diameter

M12 X 1.0

Primary Outlet Thread Pitch

1 mm

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