OE Quality
60-Day Returns

Dorman M39967 Brake Master Cylinder
Overview of the Dorman Brake Master Cylinder M39967
The Dorman Brake Master Cylinder M39967 is designed specifically for Saturn vehicles, including SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2 models. This brake hydraulics component ensures reliable brake fluid pressure and proper braking performance for your Saturn.
- Master cylinder bore diameter: 0.875 inches
- Constructed from durable aluminum material
- Includes reservoir and sensor for integrated functionality
- Equipped with four outlets for efficient brake fluid distribution
- Rearward outlet size: M10 x 1.0 thread
- Secondary outlet thread diameter: M12 x 1.0 with 1.0 thread pitch
- Mounting hardware not included
Detailed Product Description
The Dorman M39967 brake master cylinder is engineered with a 0.875-inch bore diameter to provide consistent hydraulic pressure for the braking system. Its aluminum construction offers corrosion resistance and lightweight durability, which is essential for maintaining brake system integrity over time. This master cylinder comes complete with a reservoir and sensor, allowing for seamless integration with the vehicle’s brake fluid monitoring system. Featuring four outlets, including a rearward outlet sized M10 x 1.0 and a secondary outlet with M12 x 1.0 threading, this part supports efficient brake fluid flow to all necessary brake lines. The included sensor helps monitor fluid levels and system status, contributing to safer braking performance. This part is compatible with a range of Saturn models such as the SC, SC1, SC2, SL, SL1, SL2, SW1, and SW2, making it a precise replacement option for these vehicles.
Common Applications and Issues Addressed
- Restores proper brake fluid pressure for improved braking response
- Replaces worn or leaking master cylinders causing brake fluid loss
- Resolves brake warning light activation due to faulty sensors
- Fixes inconsistent brake pedal feel or sponginess
- Addresses brake system leaks related to master cylinder failure
Installation Notes and Tips
- Ensure compatibility with your Saturn model before installation
- Brake fluid system must be properly bled after installation to remove air
- Mounting hardware is not included; reuse existing hardware or source separately
- Handle the sensor connection carefully to avoid damage
- Follow manufacturer torque specifications for outlet fittings
Quality Assurance and Warranty
Dorman manufactures the M39967 brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The aluminum construction and integrated sensor are designed for durability and reliable performance. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete terms.
| Brand | Dorman |
|---|---|
| Part Number | M39967 |
| Master Cylinder Bore Diameter | 0.875 |
| Master Cylinder Material | Aluminum |
| Mounting Hardware Included | No |
| Number of Outlets | 4 |
| Package Contents | Master Cylinder |
| Rearward Outlet Size | M10 X 1.0 |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | M12 X 1.0 |
| Sensor Included | Yes |
| Thread Pitch | 1.0 |
This part fits 74 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2002 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2002 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2002 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2002 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2002 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2001 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2001 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2001 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2001 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2001 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2001 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2000 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2000 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2000 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2000 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2000 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 2000 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1999 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1999 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1999 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1999 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1999 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1999 | Saturn | SW1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1999 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1998 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1998 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1998 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1998 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1998 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1998 | Saturn | SW1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1998 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1997 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1997 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1997 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1997 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1997 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1997 | Saturn | SW1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1997 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1996 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1996 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1996 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1996 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1996 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1996 | Saturn | SW1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1996 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1995 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1995 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1995 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1995 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1995 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1995 | Saturn | SW1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1995 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1994 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1994 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1994 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1994 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1994 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1994 | Saturn | SW1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1994 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1993 | Saturn | SC1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1993 | Saturn | SC2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1993 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1993 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1993 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1993 | Saturn | SW1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1993 | Saturn | SW2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1992 | Saturn | SC | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1992 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1992 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1992 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1991 | Saturn | SC | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1991 | Saturn | SL | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1991 | Saturn | SL1 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
| 1991 | Saturn | SL2 | N/A | Fits drum brake wheel cylinders requiring 7/8" bore size brake master cylinder. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.