Dorman M630614 brake master cylinder for the 2005-2008 Chevrolet Aveo and other vehicles turns pedal force into hydraulic pressure for the brakes.
- Aluminum master cylinder housing
- Rubber components made of EPDM compound for resistance to glycol-based brake fluid
- Made entirely of new materials
- Built to meet SAE International standards
- Reservoir and sensor included with the master cylinder
Quick facts
- Part: Dorman M630614 brake master cylinder
- Fits: 2005-2008 Chevrolet Aveo and other vehicles
- Material: Aluminum
- Condition: New
A brake pedal that sinks toward the floor or feels soft, or brake fluid showing around the cylinder, can mean the master cylinder is worn. A leak at a brake line or caliper can look similar, so these signs alone do not prove the master cylinder is at fault.
Fits
It is a direct-fit replacement for the 2005-2008 Chevrolet Aveo and the 2007-2008 Pontiac Wave.
Specifications
Fit and size
- Bore diameter: 0.875 in
- Number of outlets: 3
- 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
- Standards: SAE International
- Condition: New
- Country of origin: Taiwan
In the box
This listing is one brake master cylinder with its reservoir and sensor, and one is all a car needs. Mounting hardware is not included, so plan on new bolts rather than reusing the old ones.
Interchange: 100-3801 · 10-3949 · 10-4119 · 130.49019 · 355-47018
93742810 · M4181 · NM4181 · MC391146 · F142646 · F144335 · MC142646 · MC144335 · MWMMC900084 · MWMMC900088
This part cross-references / interchanges with the following part numbers:
100-3801, 10-3949, 10-4119, 130.49019, 355-47018, 93742810, M4181, NM4181, MC391146, F142646, F144335, MC142646, MC144335, MWMMC900084, MWMMC900088
Frequently Asked Questions
Is this a brake master cylinder for the 2005-2008 Chevrolet Aveo and 2007-2008 Pontiac Wave?
Yes. Dorman M630614 is a direct-fit replacement for the 2005-2008 Chevrolet Aveo and the 2007-2008 Pontiac Wave, and either car takes one cylinder.
Does this Dorman brake master cylinder come with the reservoir and sensor?
Yes. The master cylinder arrives with its reservoir and sensor. Mounting hardware is not included.
What thread size are the outlets on this Dorman master cylinder?
Dorman M630614 has three outlets. The rearward and secondary outlets are M10 x 1.0, the primary outlet thread pitch is 1 mm, and the bore is 0.875 in.
Can the rubber parts in this master cylinder handle glycol-based brake fluid?
Yes. All the rubber components are made of EPDM compound, which resists glycol-based brake fluid.
How can I check a master cylinder for leaks?
With the engine off, look for brake fluid wetness on the cylinder body and around its fittings, and watch whether the reservoir level keeps dropping. A shop can test it further.
