ZN6/ZC6Seller listing
Listed priceSee seller for current price
View listing at Subaru Parts Deal; opens in a new tabFRS/BRZ/86 · Buyer's guide
First-Generation FR-S/BRZ/86 Brake Master Cylinder and Booster Diagnosis
2013-2020 first-generation FR-S, BRZ and Toyota 86. Confirm badge, VIN, transmission/production details and installed brake system.
Current seller options
WHERE TO BUY
Open an exact listing, then confirm fitment, stock, price, and shipping with the seller before ordering.
Seller links checked . Prices and availability can change.
ZN6/ZC6Seller listing
Listed priceSee seller for current price
View listing at Subimods; opens in a new tabZN6/ZC6Seller listing
Listed priceSee seller for current price
View listing at PartsGeek; opens in a new tabWhat you need to know
Safety-critical: distinguish external leak, internal master bypass, booster/vacuum assistance, hose/check-valve, air, caliper and ABS hydraulic faults. Confirm badge, VIN, transmission and production split before ordering.
OEM numbers
Checked Subaru master cylinder 26401CA030 -> 26401CA031. Checked booster 26402CA010 is a separate assembly. Vacuum hoses have production and transmission splits.Supersession
26401CA030 -> 26401CA031 is the checked master-cylinder chain. The booster, reservoir, vacuum hoses and ABS hydraulic unit are separate service paths.
Fitment
Safety-critical: distinguish external leak, internal master bypass, booster/vacuum assistance, hose/check-valve, air, caliper and ABS hydraulic faults. Confirm badge, VIN, transmission and production split before ordering.
Aftermarket options
Genuine and vehicle-specific new master cylinders were checked. A master-cylinder listing does not include the booster unless explicitly stated.
Before you buy
Brakes are safety-critical. Diagnose the master cylinder, booster/vacuum supply, air, calipers and ABS hydraulics separately. Confirm transmission and production-specific vacuum plumbing; use a qualified professional when needed.
Research and fitment sources
Supersede reviewed 6 unique research sources for this guide. 3 also appear above as a seller or official action and are not repeated here; 3 additional citations follow.
Research last verified .