OE Quality
60-Day Returns

Dorman M630164 Brake Master Cylinder
Reliable Brake Master Cylinder for Suzuki Sidekick
The Dorman M630164 Brake Master Cylinder is engineered to restore proper brake hydraulics for Suzuki Sidekick vehicles. Designed with precision, this master cylinder ensures consistent brake fluid pressure and reliable stopping power.
- Master cylinder bore diameter: 1 inch for accurate fluid displacement
- Constructed from durable aluminum material for corrosion resistance
- Includes reservoir for brake fluid storage
- Equipped with a sensor to monitor brake system status
- Features three outlets with a rearward outlet size of M10 x 1.0 and a thread pitch of 1.0
Detailed Product Description
The Dorman M630164 brake master cylinder is specifically designed for the Suzuki Sidekick, providing a direct replacement for the original component. Its aluminum construction offers strength and longevity while resisting corrosion from brake fluid exposure. The 1-inch bore diameter ensures proper hydraulic pressure is maintained throughout the braking system. This master cylinder includes a reservoir to hold brake fluid and a sensor to provide feedback to the vehicle’s brake monitoring system. With three outlets and a rearward outlet thread size of M10 x 1.0, it integrates seamlessly with the existing brake lines on the Suzuki Sidekick.
Common Applications and Problem Resolution
- Restores brake fluid pressure for consistent braking performance
- Replaces leaking or damaged master cylinders causing brake fluid loss
- Addresses brake pedal sinking or sponginess due to internal seal failure
- Resolves brake warning light activation related to master cylinder sensor issues
- Improves overall brake system reliability on Suzuki Sidekick models
Installation Notes and Tips
Installation of the Dorman M630164 brake master cylinder requires proper brake system bleeding to remove air and ensure optimal performance. Verify compatibility with your Suzuki Sidekick model year before installation. Note that mounting hardware is not included and must be reused or sourced separately. Handle brake fluid carefully to avoid contamination and damage to painted surfaces.
Quality Assurance and Warranty
Dorman manufactures this brake master cylinder to meet or exceed OEM specifications for fit, form, and function. The part is backed by Dorman’s limited warranty, providing coverage against defects in material and workmanship. This ensures dependable performance and peace of mind when replacing your Suzuki Sidekick’s brake master cylinder.
| Brand | Dorman |
| Part Number | M630164 |
| Mounting Hardware Included | No |
| Master Cylinder Bore Diameter | 1 |
| Master Cylinder Material | Aluminum |
| Reservoir Included | Yes |
| Secondary Outlet Thread Diameter | 10 |
| Sensor Included | Yes |
| Number of Outlets | 3 |
| Package Contents | Master cylinder |
| Rearward Outlet Size | M10 x 1.0 |
| Thread Pitch | 1.0 |
This part fits 5 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1995 | Suzuki | Sidekick | N/A | Bore: 1 In.; Hardtop |
| 1994 | Suzuki | Sidekick | N/A | Bore: 1 In.; Hardtop |
| 1993 | Suzuki | Sidekick | N/A | Bore: 1 In.; Hardtop |
| 1992 | Suzuki | Sidekick | N/A | Bore: 1 In.; Hardtop |
| 1991 | Suzuki | Sidekick | N/A | Bore: 1 In.; Hardtop |
* 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.