Dorman M390186 Master Cylinder
Regular price
$53.78
Couldn't load pickup availability
Product Description
This brake master cylinder is precision-engineered to match the design, function, and performance of the original master cylinder on specific vehicle years, makes and models. It is made of new, high-quality materials for a safe, durable replacement.
- Precise replacement - cylinder housing is constructed to match the casting material of the original part and ensure similar performance
- Durable design - all rubber components are made of high-quality EPDM compound for resistance to glycol-based brake fluid
- 100% new - made entirely of new materials, not remanufactured, to ensure highest quality and safety
- Strict specifications - made to meet rigorous SAE International standards
Detailed Applications
| Year | Make | Model | Configuration | Positions | Application Notes |
|---|---|---|---|---|---|
| 1999 | Buick | Riviera | Bore: 1 In. | ||
| 1999 | Oldsmobile | Aurora | Bore: 1 In. | ||
| 1998 | Buick | Riviera | Bore: 1 In. | ||
| 1998 | Oldsmobile | Aurora | Bore: 1 In. | ||
| 1997 | Buick | Riviera | Bore: 1 In. | ||
| 1997 | Oldsmobile | Aurora | Bore: 1 In. | ||
| 1996 | Buick | Riviera | Bore: 1 In. | ||
| 1996 | Oldsmobile | Aurora | Bore: 1 In. | ||
| 1995 | Buick | LeSabre | Bore: 1 In. | ||
| 1995 | Buick | Park Avenue | Bore: 1 In. | ||
| 1995 | Buick | Riviera | Bore: 1 In. | ||
| 1995 | Oldsmobile | 88 | Bore: 1 In. | ||
| 1995 | Oldsmobile | 98 | Bore: 1 In. | ||
| 1995 | Oldsmobile | Aurora | Bore: 1 In. | ||
| 1995 | Pontiac | Bonneville | Bore: 1 In. | ||
| 1994 | Buick | LeSabre | Bore: 1 In. | ||
| 1994 | Buick | Park Avenue | Bore: 1 In. | ||
| 1994 | Oldsmobile | 88 | Bore: 1 In. | ||
| 1994 | Oldsmobile | 98 | Bore: 1 In. | ||
| 1994 | Pontiac | Bonneville | Bore: 1 In. | ||
| 1993 | Buick | LeSabre | Bore: 1 In. | ||
| 1993 | Buick | Park Avenue | Bore: 1 In. | ||
| 1993 | Cadillac | DeVille | 4-Wheel ABS | w/RPO Code JM4 (Power Brakes, Front Disc, Rear Drum, w/ABS) | |
| 1993 | Oldsmobile | 88 | 4-Wheel ABS | Bore: 1 In. | |
| 1993 | Oldsmobile | 98 | 4-Wheel ABS | Bore: 1 In. | |
| 1993 | Pontiac | Bonneville | 4-Wheel ABS | Bore: 1 In. | |
| 1992 | Buick | LeSabre | 4-Wheel ABS | Bore: 1 In. | |
| 1992 | Buick | Park Avenue | Bore: 1 In. | ||
| 1992 | Cadillac | DeVille | 4-Wheel ABS | Bore: 1 In. | |
| 1992 | Cadillac | Fleetwood | 4-Wheel ABS; FWD | Bore: 1 In. | |
| 1992 | Oldsmobile | 88 | 4-Wheel ABS | Bore: 1 In. | |
| 1992 | Oldsmobile | 98 | 4-Wheel ABS | Bore: 1 In. | |
| 1992 | Oldsmobile | Custom Cruiser | 4-Wheel ABS | w/RPO Code JM4 (Power Brakes, Front Disc, Rear Drum, w/ABS); Stamped-25551213 | |
| 1992 | Pontiac | Bonneville | 4-Wheel ABS | Bore: 1 In. | |
| 1991 | Buick | LeSabre | 4-Wheel ABS | Bore: 1 In. | |
| 1991 | Buick | Park Avenue | Bore: 1 In. | ||
| 1991 | Cadillac | DeVille | 4-Wheel ABS | w/RPO Code JM4 (Power Brakes, Front Disc, Rear Drum, w/ABS) | |
| 1991 | Cadillac | Fleetwood | 4-Wheel ABS | w/RPO Code JM4 (Power Brakes, Front Disc, Rear Drum, w/ABS); Stamped-25551213 | |
| 1991 | Oldsmobile | 98 | 4-Wheel ABS | Bore: 1 In. | |
| 1991 | Oldsmobile | Custom Cruiser | 4-Wheel ABS | w/RPO Code JM4 (Power Brakes, Front Disc, Rear Drum, w/ABS); Stamped-25551213 | |
| 1991 | Oldsmobile | Delta 88 | 4-Wheel ABS | Bore: 1 In. | |
| 1991 | Pontiac | Bonneville | 4-Wheel ABS | Bore: 1 In. |
Product Specifications
| Master Cylinder Bore Diameter: | 1 in |
|---|---|
| Master Cylinder Material: | Aluminum |
| Mounting Hardware Included: | No |
| Number of Outlets: | 2 |
| Package Contents: | Master Cylinder |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Primary Outlet Thread Pitch: | 1 mm |
| Rearward Outlet Size: | M10 X 1.0 |
| Reservoir Included: | Yes |
| Secondary Outlet Thread Diameter: | M12 X 1.0 |
| Sensor Included: | Yes |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 25558388 | GENERAL MOTORS |
| 25605860 | GENERAL MOTORS |
| 25616814 | GENERAL MOTORS |
| 25632708 | GENERAL MOTORS |
| 25642820 | GENERAL MOTORS |