
TOPRAN Brake Master Cylinder for Mercedes M-Class (W163)
In stock, ready to ship
In stock now — leaves the warehouse in 1–2 business days
Fitment
Listed for W163
Check this part against your vehicle
Options come from the vehicles named on the parts we stock.
Product details
Enhance Your Vehicle’s Performance with TOPRAN Brake Master Cylinder!
Upgrade your Mercedes M-Class (W163) with the TOPRAN 401398002 Brake Master Cylinder, designed for reliable and efficient braking performance.
Key Benefits:
- Precision-engineered for a superior fit in Mercedes M-Class vehicles.
- Expertly crafted to ensure optimal brake system performance.
- Durable construction for long-lasting reliability.
Technical Specifications:
- Piston Diameter: 1.0 inches (25.4 mm)
- Please consider the system filling quantity for optimal function.
How to Use:
1. Ensure the vehicle is safely lifted and secured.
2. Remove the old master cylinder carefully.
3. Install the TOPRAN Brake Master Cylinder and secure it properly.
4. Refill the brake fluid and bleed the system according to the manufacturer's instructions.
Checking fitment
Match the part number above against the part you are replacing, or check the models and engines named on this page against your vehicle. If the number matches, the part matches.
Shipping
Orders leave the warehouse in 1–2 business days. Free shipping on every US order.
Returns & warranty
30 days to return an unused part in its original packaging. Manufacturer warranty of 12 months against defects.







