Dorman M630765 Master Cylinder
Confirm Fitment Before You Buy
Not sure it fits? Message Year/Make/Model/Engine (2WD/4WD if applicable) and we’ll help confirm compatibility.
Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price
$107.70
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Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.
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 |
|---|---|---|---|---|---|
| 2009 | Chevrolet | Optra (Mexico) | Mexico Region; Manual Trans. | Tandem Brake Booster; wo/Traction Control; To VIN 023558 | |
| 2008 | Chevrolet | Optra (Mexico) | Mexico Region; Manual Trans. | Tandem Brake Booster; wo/Traction Control | |
| 2008 | Suzuki | Forenza | Non-ABS; United States Region; Manual Trans. | ||
| 2008 | Suzuki | Reno | Non-ABS; United States Region; Manual Trans. | ||
| 2007 | Chevrolet | Optra | Mexico Region; Manual Trans. | Tandem Brake Booster; wo/Traction Control | |
| 2007 | Suzuki | Forenza | Non-ABS; Canada Region; Manual Trans. | ||
| 2007 | Suzuki | Forenza | Non-ABS; United States Region; Manual Trans. | ||
| 2007 | Suzuki | Reno | Non-ABS; United States Region; Manual Trans. | ||
| 2006 | Chevrolet | Optra | Mexico Region; Manual Trans. | Tandem Brake Booster; wo/Traction Control |
Product Specifications
| Brake Booster Included: | Yes |
|---|---|
| Master Cylinder Bore Diameter: | 15/16 in |
| Master Cylinder Cap Included: | Yes |
| Master Cylinder Material: | Aluminum |
| Mounting Bracket Included: | No |
| Mounting Hardware Included: | No |
| Mounting Hole Quantity: | 2 |
| Number of Outlets: | 2 |
| Package Contents: | Master Cylinder; Bleeder Kit |
| Package Quantity: | 1 |
| Packaging Type: | Box |
| Primary Outlet Thread Pitch: | 1 mm |
| Push Rod Included: | No |
| Rearward Outlet Size: | M10 X 1.0 |
| Reservoir Included: | Yes |
| Reservoir Type: | Single |
| Secondary Outlet Thread Diameter: | M12 X 1.0 |
| Sensor Included: | Yes |
OE Numbers
| DIRECT OE CROSS | |
|---|---|
| 51200-85Z20 | SUZUKI |
| 95984181 | GENERAL MOTORS |
| 96418851 | GENERAL MOTORS |