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Side view of a Bexar Pro replacement brake fluid reservoir for Bosch-style master cylinders.
Hydromax Remote Master Cylinder laying on side
Master Cylinder Kodiak Top View of reservior
Side view of a Bexar Pro replacement brake fluid reservoir for medium-duty master cylinders.
Bottom view of Bexar Pro remote brake fluid reservoir for GMC TopKick and Isuzu F-Series trucks.
Side view of a Bexar Pro replacement brake fluid reservoir for Bosch-style master cylinders.
Side view of a Bexar Pro replacement brake fluid reservoir for Bosch-style master cylinders.
Hydromax Remote Master Cylinder laying on side
Master Cylinder Kodiak Top View of reservior
Side view of a Bexar Pro replacement brake fluid reservoir for medium-duty master cylinders.
Bottom view of Bexar Pro remote brake fluid reservoir for GMC TopKick and Isuzu F-Series trucks.
Side view of a Bexar Pro replacement brake fluid reservoir for Bosch-style master cylinders.
Bexar Pro Componets

Remote Master Cylinder Reservoir for Bosch Hydro-Max® Brake System

$159.22

SKU: MR26155 Category: Brand:

Remote Brake Fluid Reservoir – Bosch Hydro-Max® Systems

Bexar Pro Components: Heavy-Duty Reliability for the Long Haul.

Ensure your braking system stays primed with this brand new **Remote Master Cylinder Reservoir** designed specifically for the **Bosch Hydro-Max®** hydraulic brake booster system. This high-capacity, dual-chamber reservoir is balanced for both **industrial equipment** and **heavy-duty automotive** applications, providing a clear visual for fluid levels in tight chassis configurations.

Key Specifications

  • Condition: NEW
  • Material: High-impact, translucent polymer for easy fluid level inspection
  • Configuration: Remote-mount with dual-outlet ports
  • Integrated Sensor: Includes Low Fluid Level Sensor (Normally Open circuit)
  • Application: Heavy-duty fleet and commercial medium-duty trucks

Verified Part Number Compatibility

This reservoir is a confirmed replacement for the following OEM and industry part numbers:

  • 1805579
  • 2771509
  • 0 204 223 930
  • F81Z-2K478-AA

Comprehensive Vehicle Fitment

Commonly found on Hydro-Max equipped vehicles including:

  • Chevrolet Kodiak / GMC Topkick: C4500, C5500, C6500, C7500 (2004–2009)
  • Ford F-Series: F650, F750 Super Duty (2000–2015)
  • International / Navistar: 4300, 4400 Series (2002–2010)
  • Freightliner: MT45, MT55 Step Vans and Custom Chassis
  • Blue Bird / Thomas: School Bus Chassis with Hydraulic Brakes

Expert Installation & Field Note

Based on our shop experience specializing in heavy-duty brakes since 1985, remote reservoirs are often the first point of contamination. When installing this new unit, thoroughly flush the supply lines leading to the master cylinder. Ensure the low-fluid sensor connector is clean and free of corrosion to prevent false dashboard warnings. Always use fresh DOT 3 or DOT 4 fluid as specified by your vehicle manufacturer.

SKU: 2771509-RES

Bexar Pro Components Logo
2771509
Weight 5 lbs
Dimensions 10 × 8 × 6 in

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