43.5mm Master Cylinder Adapter with Connector

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Quick and Easy Brake Fluid Changes

This ARES 43.5mm Master Cylinder Adapter is designed to work with our ARES 70921, 18051, and 18053 Brake Fluid Bleeders, so you can easily remove and refill fluid into your entire brake system on your own. Compatible with Chrysler, Dodge, Jeep, and Plymouth master cylinder reservoirs, this adapter will help you get the job done on disc or drum brakes.


  • Includes 1 pc. Master Cylinder Adapter
  • Size: 43.5mm
  • Interior diameter: 43.5mm
  • Designed for use with brake fluid bleeders during brake fluid changes
  • Works on disc or drum brake systems
  • Compatible with the following master cylinder reservoirs: Chrysler, Dodge, Jeep, and Plymouth
  • Designed for use exclusively with ARES 70921 - 2L Manual Brake Fluid Bleeder, ARES 18051 - 4L Manual Fluid Pressure Bleeder, and ARES 18053 - 4L Manual Fluid Pressure Bleeder and 1L Reservoir Bottle
  • For our 43.5mm Master Cylinder Adapter with no connector, see ARES 18056. For both, see ARES 18057.