Product Emphasis: OEM-grade brake master cylinder engineered to convert brake pedal force into hydraulic pressure, transmitting it through the brake lines to the calipers and wheel cylinders. This complete assembly includes the reservoir and internal seals, providing a direct-fit solution for worn or leaking original units. It is a direct replacement for the original master cylinder, which commonly develops internal seal failure or external leaks, causing a spongy pedal, brake fluid loss, or reduced braking performance .
Original Part Number: 47201-0D390
Cross-Reference Numbers: 472010D390, 47201-0D450, 47201-0D400, 47201-0D570
OEM Standard Size: Yes — manufactured to Toyota original equipment specifications
Vehicle Compatibility: Toyota Yaris (China), Vios, Vios FS (China)
Years: 2013–2016
Models: Yaris, Vios, Vios FS — NSP15#
Product Name: Cylinder Sub-Assembly, Brake Master / Brake Master Cylinder Assembly
Quality: TWT brand replacement with durable construction. Backed by a 1-year warranty .
Brand: TWT / OEM Quality
Manufacturer Part Number: 47201-0D390
Part Description: Brake Master Cylinder Assembly
Condition: New
Fitment Type: Direct Replacement
Position: Engine Bay (Firewall, Driver Side)
Bore Size: 7/8 inch (22.2 mm)
Quantity Required: 1 per vehicle
OEM-grade replacement ensuring perfect vehicle fitment
Converts brake pedal force into hydraulic pressure for reliable braking
Complete assembly includes reservoir and internal seals
Durable construction resistant to brake fluid corrosion and heat
Replaces leaking or internally failed original master cylinder
Resolves spongy pedal, brake fluid loss, and reduced braking performance
Direct fitment using factory mounting points
Toyota Yaris (China): 2013–2016 (NSP15#)
Toyota Vios: 2013–2016 (NSP15#)
Toyota Vios FS (China): 2013–2016
Q1: What does this brake master cylinder do?
A: It converts the force applied to the brake pedal into hydraulic pressure, which is transmitted through the brake lines to the calipers and wheel cylinders to slow and stop the vehicle. A failed master cylinder can cause a spongy brake pedal, fluid leaks, or complete brake failure .
Q2: Is this a genuine OEM part?
A: 47201-0D390 is the OEM part number for this brake master cylinder. It is also available as an OEM-grade replacement from TWT and other trusted suppliers .
Q3: Will this fit my 2015 Toyota Yaris?
A: This master cylinder is compatible with Toyota Yaris and Vios (NSP15#) models from 2013–2016. Always verify compatibility using your vehicle's VIN before ordering .