Dorman M390267 brake master cylinder for the 1995-2004 Cadillac Seville and other vehicles turns pedal force into hydraulic pressure for the brakes.
- Part of the Dorman First Stop line
- Aluminum cylinder housing
- All rubber components use EPDM compound for resistance to glycol-based brake fluid
- Made entirely of new materials
- Made to meet SAE International standards
Quick facts
- Part: Dorman M390267 brake master cylinder
- Fits: 1995-2004 Cadillac Seville and other vehicles
- Material: Aluminum
- Condition: New
A brake pedal that sinks toward the floor or feels soft, or fluid showing around the cylinder, can mean the master cylinder is wearing out. Before you replace it, rule out a leak at a brake line, hose or caliper, because those can give you a similar pedal. The 1995-2004 Cadillac Seville takes one.
Fits
This master cylinder is listed for a wide range of Cadillac, Buick, Oldsmobile and Pontiac models, led by the 1995-2004 Cadillac Seville, the 1996-2003 Buick Park Avenue and the 1995-2002 Cadillac Eldorado. Its housing is constructed to match the casting material of the original part, for similar performance. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Bore diameter: 1 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
- Master cylinder material: Aluminum
- Rubber components: EPDM compound
- Condition: New
- Country of origin: China
In the box
One master cylinder with its reservoir and sensor. Mounting hardware is not included, so plan on new bolts, since the old ones may not be reusable.
Interchange: 174-746 · 174-772 · 83-36099 · 100-4264 · M-82099 · 13-2714 · 10-2714 · 130.62099 · 131.62099 · 355-45011
18M734 · M900955 · 13050 · MC250960 · 18020057 · 18021862 · 18029759 · 18029856 · 18029946 · 18029972 · 18044394 · 18046507 · NM2714 · MC390267 · F131419 · MC131419
This part cross-references / interchanges with the following part numbers:
174-746, 174-772, 18M734, 83-36099, M900955, 100-4264, M-82099, 13050, 13-2714, 10-2714, 130.62099, 131.62099, MC250960, 355-45011, 18020057, 18021862, 18029759, 18029856, 18029946, 18029972, 18044394, 18046507, NM2714, MC390267, F131419, MC131419
Frequently Asked Questions
Is the Dorman M390267 master cylinder listed for a 1996-2003 Buick Park Avenue?
Yes, Dorman M390267 is listed for the 1996-2003 Buick Park Avenue. Open the "Vehicles it fits" section to check your exact model and engine.
Does this Dorman brake master cylinder come with the reservoir?
Yes, the reservoir and a sensor come with this master cylinder. Mounting hardware is not included.
What bore size and outlet threads does the M390267 master cylinder have?
Dorman M390267 has a 1 in bore and two outlets. The rearward and secondary outlet threads are M12 x 1.0.
What are the rubber parts in this master cylinder made of?
All rubber components are made of EPDM compound, which resists glycol-based brake fluid.
What pedal and leak signs can mean a master cylinder like the Dorman M390267 needs replacing?
A pedal that sinks toward the floor, a soft pedal or fluid around the cylinder can mean it is failing. Brakes are safety-critical, so have a shop check it promptly.
