Dorman M390467 brake master cylinder for the 2001-2004 Subaru Outback and other vehicles turns pedal force into hydraulic pressure for the brakes. It is engineered to match the original master cylinder's design, function and performance.
- First Stop line brake master cylinder from Dorman
- Aluminum master cylinder with a 1.063 in bore
- EPDM rubber components that resist glycol-based brake fluid
- Made entirely of new materials
- Made to meet SAE International standards
Quick facts
- Part: Dorman M390467 brake master cylinder
- Fits: 2001-2004 Subaru Outback and other vehicles
- Material: Aluminum
- Condition: New
A brake pedal that sinks or feels soft, or brake fluid showing around the cylinder, can mean a worn master cylinder. Before you replace it, rule out a leak at a brake line or caliper and air in the system, since either one can also give a soft pedal; a shop can run those tests.
Fits
This master cylinder is a direct-fit replacement for the 2001-2004 Subaru Outback, the 2002-2007 Subaru Impreza and the 1998-2002 Subaru Forester. Other Subaru models take it as well, so look up your own year and model in the "Vehicles it fits" section.
Specifications
Fit and size
- Bore diameter: 1.063 in
- Number of outlets: 2
- Rearward outlet size: M10 x 1.0
- Secondary outlet thread diameter: M10 x 1.0
- Primary outlet thread pitch: 1 mm
- Quantity per vehicle: 1
Build and materials
- Material: Aluminum
- Rubber components: EPDM compound
- Condition: New
- Country of origin: Taiwan
In the box
One brake master cylinder with its reservoir and sensor. This listing holds one, and the car takes one. Mounting hardware is not included, so plan on new bolts rather than reusing the old ones.
Frequently Asked Questions
Is Dorman M390467 a Subaru Outback brake master cylinder for the 2001-2004 model years?
Yes. Dorman M390467 fits the 2001-2004 Subaru Outback. For another year or model, look up your car in the "Vehicles it fits" section on this page.
Is this the Impreza master cylinder for the 2002-2007 model years?
Yes. This brake master cylinder fits the 2002-2007 Subaru Impreza, and the car needs one.
Does the Dorman M390467 come with its reservoir and sensor?
Yes. Dorman M390467 includes the reservoir and the sensor with the master cylinder. Mounting hardware is not included.
What bore size and outlet threads does this master cylinder have?
The bore diameter is 1.063 in. It has two outlets, with M10 x 1.0 threads on the rearward outlet and on the secondary outlet.
Are the rubber parts in this master cylinder compatible with glycol-based brake fluid?
Yes. All the rubber components are made of an EPDM compound that resists glycol-based brake fluid.
