Dorman M630751 brake master cylinder for the 2007-2011 Audi A6 and other vehicles turns pedal force into hydraulic pressure for the brakes. This Dorman brake master cylinder is a new part that replaces the original on specific model years.
- Dorman First Stop line
- Aluminum cylinder housing with two outlets
- Rubber components made of EPDM compound for resistance to glycol-based brake fluid
- Made to meet rigorous SAE International standards
- 1.063 in bore with M12 x 1.0 outlet threads
Quick facts
- Part: Dorman M630751 brake master cylinder
- Fits: 2007-2011 Audi A6 and other vehicles
- Material: Aluminum
- Condition: New
A brake pedal that feels soft or sinks slowly, or fluid showing at the cylinder, can mean the master cylinder is wearing out. A leaking brake hose, a sticking caliper or air in the lines can bring on a similar pedal feel, so find which one is at fault before you buy.
Fits
Beyond the A6, this brake master cylinder fits the 2007-2011 Audi A6 Quattro and the 2007-2011 Audi S6, plus many other Audi models. If your Audi is not named here, open the Buyer's Guide tab and check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 1.063 in
- Number of outlets: 2
- Rearward outlet size: M12 x 1.0
- Secondary outlet thread diameter: M12 x 1.0
- Primary outlet thread pitch: 1 mm
Build and materials
- Material: Aluminum
- Rubber components: EPDM compound
- Standards: SAE International
- Condition: New
- Country of origin: China
In the box
One master cylinder; the 2007-2011 Audi A6 takes one. Mounting hardware, a reservoir and a sensor are not included, and old fasteners may not be reusable, so plan on new ones.
Interchange: 100-4142 · 11-3391 · 130.33120 · 355-73015
MC391393 · 4B3611021 · F142397 · MC142397 · R135178
This part cross-references / interchanges with the following part numbers:
100-4142, 11-3391, 130.33120, 355-73015, MC391393, 4B3611021, F142397, MC142397, R135178
