TOYOTA 47050-47190 Brake Master Cylinder Booster

( Manufacturer Part Number: 47050-47190 ), ( Part Type: Brake Cylinder ), ( Manufacturer Warranty: 1 Year ), ( Country Of Origin: Japan )

Review TOYOTA Genuine Brake Booster And Master Cylinder Oem fits PRIUS 2011–2014

The **Toyota 47050-47190 Brake Booster and Master Cylinder Assembly (2011 2014 Prius)** is a critical hydraulic component designed to ensure precise and responsive braking performance in Toyota s hybrid-electric Prius models. This integrated unit combines a **vacuum-assisted brake booster** with a **master cylinder**, forming a seamless system that amplifies driver input for efficient braking while maintaining optimal hydraulic pressure. The brake booster leverages engine vacuum to enhance braking force, reducing pedal effort and improving safety, particularly during heavy braking or rapid deceleration. Meanwhile, the master cylinder regulates hydraulic fluid flow to the front and rear brake calipers, ensuring consistent stopping power across all four wheels. Engineered to Toyota s stringent quality standards, this assembly features corrosion-resistant materials and precise internal tolerances to withstand the demands of daily commuting, highway driving, and hybrid-specific regenerative braking systems. The design incorporates a **dual-piston master cylinder** for reliable fluid displacement, minimizing air entrapment and maintaining consistent pedal feel. Compatible exclusively with the **2011 2014 Prius**, this assembly is a direct-fit replacement for failed or worn units, offering a seamless upgrade without the need for additional modifications. Whether addressing a vacuum leak in the booster or hydraulic inefficiency in the master cylinder, this component ensures a smooth, responsive braking experience while adhering to Toyota s hybrid-specific engineering principles. Proper installation requires adherence to factory specifications, including proper fluid flushing and vacuum line connections, to guarantee optimal performance and longevity.

**Pros and Cons of buying a Toyota 47050-47190 Brake Booster and Master Cylinder (2011 2014 Prius)**

1. **Compatibility and Fitment** The 47050-47190 assembly is a direct replacement for the 2011 2014 Toyota Prius, ensuring proper fit without modifications. It includes both the brake booster and master cylinder in one unit, simplifying installation.

2. **OEM Quality** Toyota s aftermarket parts are generally reliable and built to the same standards as original equipment, reducing the risk of premature failure compared to lower-quality aftermarket alternatives.

3. **Convenience of a Combined Unit** Purchasing the booster and master cylinder as a single assembly saves time and effort, as you won t need to source and install them separately. This is particularly useful for DIYers who may not have access to specialized tools for vacuum bleeding or booster installation.

4. **Warranty Coverage** Toyota aftermarket parts often come with a warranty (typically 12 24 months), providing some protection against defects. This can be reassuring if you re unsure about the longevity of the part.

5. **Prevents Common Failure Points** The brake system in these Prius models is known for issues like vacuum leaks (booster failure) and master cylinder wear. Replacing the entire assembly upfront can prevent progressive failures, such as a failing booster causing excessive pedal effort or a master cylinder leaking fluid.

6. **Easier Maintenance Access** The 2011 2014 Prius has a relatively straightforward brake layout, making this replacement more manageable than on some other hybrid models. The engine bay has adequate space for working on the brake components.

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1. **Cost** The 47050-47190 assembly is more expensive than buying the booster and master cylinder separately from third-party suppliers. For example, a standalone Toyota master cylinder (e.g., 47050-47190) may cost less than the full assembly, though the booster alone can also be pricey.

2. **Potential Overkill for Minor Issues** If your brake system is failing due to a single component (e.g., only the master cylinder is leaking), replacing the entire assembly may be unnecessary. This could result in spending more than needed for a partial repair.

- **Vacuum bleeding the booster** (to remove air and restore power assist).

- **Reconnecting the brake lines** (ensuring no leaks or kinks).

- **Testing the system** (checking for proper pedal feel and no vacuum leaks).

DIYers without experience may struggle, and professional labor could add to the cost.

4. **Limited Availability of Genuine Parts** Toyota aftermarket parts can sometimes be harder to find than third-party options, especially if you re not purchasing directly from Toyota or an authorized dealer. Prices may vary significantly depending on the seller.

5. **Potential for Counterfeit Parts** If buying from non-Toyota sources (e.g., eBay, Amazon, or uncertified dealers), there s a risk of receiving counterfeit or low-quality parts. Always verify the seller s reputation and part authenticity.

6. **Time-Consuming for Beginners** The process involves disconnecting the brake lines, removing the old assembly, and ensuring the new one is properly seated and sealed. Beginners may find this intimidating, especially if they lack basic mechanical skills.

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Buying the **Toyota 47050-47190 brake booster and master cylinder assembly** for a 2011 2014 Prius is a **practical and reliable choice** if you need a complete, hassle-free replacement. It s ideal for:

- Owners who want a **single, trusted source** for both components.

- Those who prefer **OEM quality** and warranty coverage.

- DIYers who are comfortable with brake system work but want to avoid sourcing parts separately.

However, if your brake system has **isolated issues** (e.g., only the master cylinder is failing), purchasing the parts individually from a reputable third-party supplier (e.g., RockAuto, Amazon, or a trusted mechanic) could be more cost-effective. Always **inspect the part for quality** and **follow proper installation procedures** to ensure safety and longevity.

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- **Buy the Toyota 47050-47190 assembly** from an authorized dealer or Toyota s official parts store to ensure authenticity and warranty.

- **Budget for installation time** (2 4 hours for a DIYer) and consider professional help if unsure.

- **Test the system thoroughly** after installation, including checking for vacuum leaks and proper pedal feel.

- **Purchase the master cylinder separately** (e.g., Toyota 47050-47190 or a high-quality aftermarket alternative like ACDelco or Wixon) and replace it alone.

- **Check the booster for vacuum leaks** if it s failing, consider replacing it as well, but not necessarily as part of the same assembly.

3. **Always verify the part s authenticity** if buying from third-party sellers, and **follow Toyota s service manual** for installation steps.

**Final Verdict:** The 47050-47190 assembly is a **solid, convenient choice** for a full brake system refresh, but weigh the cost against the actual condition of your existing components to avoid unnecessary expenses.

Details:

2011 - 2014 Prius. Shipping Information. Residential ground shipping packaging within the 48 Contiguous USA is quoted.

Parts Manager. Richard Castillo.

part #: 4705047190 prices

• $649.96-$759.20

specifications emblico:

• for models: Prius
• for makes: Toyota
• for years: 2011-2014
• mpn: 47050-47190
• part type: Brake Cylinder
• manufacturer warranty: 1 Year
• country of origin: Japan

offer emblico:

• quantity: 2
• started: June 2, 2026
• options: Ship-to-home
• sold: 0
• availability: In Stock

seller emblico:

• # reviews: 38516
• city: Bloomington, Indiana
• rating: 99.8%

shipping emblico:

• class: Standard
• transit: 3-9 Days
• service: UPS Ground
• carrier: UPS
• cost: $19.99
• type: Fixed

general emblico:

• condition: New
• Car Truck Parts Accessories > Exterior Parts Accessories > Emblems Ornaments

payments emblico:

• other
• credit card: Diners-club
• wallet: Google-pay

returns emblico:

• paid by: Seller
• policy: Returns Accepted
• time: 30 Days

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