ADVICS BMT-398 Brake Master Cylinder

ADVICS Brake Master Cylinder for Scion xB

The ADVICS BMT-398 is a new brake master cylinder built for 2008-2015 Scion xB applications. It is an OE-style replacement that uses OE quality rubber components and a surface-treated cylinder body for dependable hydraulic performance.

Key Features

• New brake master cylinder construction
• 0.88 in. master cylinder bore size
• OE-style cylinder design for Scion xB brake system service
• OE quality rubber components
• Anodized and Kanizen plated cylinder body for added surface strength
• ADVICS Original Equipment Manufacturer product line

Product Details

ADVICS Original Equipment Manufacturer parts are built with the same application focus expected from OE replacement brake hydraulics. This BMT-398 master cylinder is engineered around the 0.88 bore size and uses a cylinder body finished with anodizing and Kanizen plating to improve surface durability. For drivers servicing a 2008-2015 Scion xB, the ADVICS BMT-398 supports direct hydraulic replacement needs without changing the original brake system layout.

This part cross-references 47201-12A20 and 47201-12A22 for the same application.

Common Repair Uses

• Restoring brake pedal pressure after master cylinder wear
• Addressing internal hydraulic leakage in the brake system
• Correcting a sinking or inconsistent brake pedal feel
• Replacing a leaking or corroded master cylinder on a Scion xB
• Servicing OE-style brake hydraulics on 2008-2015 Scion xB models

Installation Notes

Verify the bore size and OE interchange numbers before installation. Brake hydraulic components should be installed with clean fluid passages and the system should be bled thoroughly after replacement. Confirm fitment for your specific 2008-2015 Scion xB before ordering the ADVICS BMT-398.

Quality Assurance

ADVICS Original Equipment Manufacturer parts are built to OE-style specifications with OE quality rubber components and surface-treated housings for consistent brake system service.