Dorman M630285 brake master cylinder for the 2002-2006 Volkswagen Jetta and other vehicles turns pedal force into hydraulic pressure for the brakes. This Dorman brake master cylinder sends that pressure out through three outlets to the brake lines.
- Part of the Dorman First Stop line
- Aluminum cylinder housing with a 0.938 in bore diameter
- All rubber components use an EPDM compound for resistance to glycol-based brake fluid
- Made entirely of new materials
- Made to meet SAE International standards
- Reservoir and sensor included
Quick facts
- Part: Dorman M630285 brake master cylinder
- Fits: 2002-2006 Volkswagen Jetta and other vehicles
- Material: Aluminum
- Condition: New
A worn master cylinder can show up as a soft or sinking brake pedal, fluid around the cylinder or a brake warning light. These signs alone do not prove the cylinder is at fault, since air in the brake lines is another common cause of a soft pedal. This listing is one cylinder, and a car takes just one.
Fits
It is listed for a wide range of Volkswagen and SEAT models, and it is also a brake master cylinder for the 2003-2006 Volkswagen Golf and the 2003-2007 Volkswagen Beetle. If your car is not named here, find it in the "Vehicles it fits" section on this page.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 0.938 in
- Number of outlets: 3
- 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
- Reservoir: included
- Sensor: included
- Condition: New
- Country of origin: China
In the box
One brake master cylinder with its reservoir and sensor. Mounting hardware is not included, so plan on new bolts, because the old ones may not be reusable.
Interchange: 13-3045 · 11-3045 · 130.33420 · 355-74045
13964 · M55274 · NM55274 · MC390925 · 1J1614019C · F141105 · MC141105
This part cross-references / interchanges with the following part numbers:
13964, 13-3045, 11-3045, 130.33420, 355-74045, M55274, NM55274, MC390925, 1J1614019C, F141105, MC141105
Frequently Asked Questions
Is this the right VW Beetle brake master cylinder for a 2003-2007 Volkswagen Beetle?
Yes. Dorman M630285 is listed for the 2003-2007 Volkswagen Beetle. For another year or model, look up your car in the "Vehicles it fits" section.
Is this the Jetta master cylinder for a 2002-2006 Volkswagen Jetta?
Yes. Dorman M630285 is a brake master cylinder listed for the 2002-2006 Volkswagen Jetta, and the car takes one.
Does this Dorman master cylinder come with the reservoir and sensor?
Yes. The listing is one master cylinder with its reservoir and sensor. Mounting hardware is not included, and the old hardware may not be reusable.
What are the outlet sizes on this brake master cylinder?
It has three outlets. The rearward outlet is M12 x 1.0, the secondary outlet thread diameter is M12 x 1.0, and the primary outlet thread pitch is 1 mm.
Are the rubber parts in this brake master cylinder made for glycol-based brake fluid?
Yes. All rubber components use an EPDM compound that resists glycol-based brake fluid, and the cylinder housing is aluminum.
