Subaru OEM Brake Master Cylinder (02-07 WRX) | 26401AC191

Overview

The Genuine Subaru OEM Brake Master Cylinder (Part #26401AC191) is the factory-original hydraulic component that converts brake pedal pressure into the hydraulic force needed to stop your vehicle. Designed specifically for the 2002–2007 Subaru WRX, this exact-fit replacement ensures your braking system performs exactly as Subaru engineered it — with zero guesswork and a factory-backed warranty. If you're restoring braking confidence or replacing a leaking or failing master cylinder, this is the only part that guarantees a true OEM fit.

Key Features & Benefits

• Genuine Subaru OEM Part — Manufactured to Subaru's original factory specifications, ensuring exact performance, fit, and reliability for your 2002–2007 WRX.
• Exact-Fit Replacement — Designed as a direct drop-in replacement with no modifications required; all mounting points, port sizes, and reservoir connections match the original.
• Factory-Grade Materials — Built with the same materials and tolerances used on the Subaru assembly line, delivering long-term durability under demanding braking conditions.
• Restores Full Braking Performance — Eliminates symptoms of a failing master cylinder including a spongy pedal, brake fluid leaks, and reduced stopping power.
• Factory Warranty Eligible — As a genuine Subaru OEM component, this part is backed by Subaru's standard OEM parts warranty.
• Verified Part Number — Subaru part number 26401AC191 ensures you receive the correct unit for your specific application — no cross-referencing guesswork.

What's Included

• 1x Genuine Subaru Brake Master Cylinder (Part #26401AC191)

Specifications

Fitment & Compatibility

This Genuine Subaru Brake Master Cylinder (26401AC191) is engineered for the following vehicle applications:

Always confirm your vehicle's VIN and model trim before ordering to ensure proper fitment. If you are unsure whether this part fits your specific vehicle, contact us before purchasing.

Installation

The Brake Master Cylinder is a safety-critical braking system component. While this is a direct OEM replacement with all factory mounting points and connections, installation requires bleeding the entire brake system and handling brake fluid carefully. Professional installation by a qualified technician is strongly recommended. Improper installation can result in brake failure and serious safety hazards. Always use proper brake fluid as specified in your Subaru owner's manual.