Hayes Dominion T-Series Master Cylinder

No, this specific assembly is engineered exclusively for the Dominion T-Series. It is not cross-compatible with the standard Dominion A2 or A4 models due to differences in internal architecture and materials.

This component is shipped dry. You will need to install the assembly and perform a full system bleed to ensure all air is removed and the hydraulic pressure is restored to factory standards.

You will need a standard set of hex keys, a bleed kit compatible with DOT fluid, and a torque wrench to ensure the lever clamp and hose fittings are secured to the manufacturer's specified torque settings.

This product is sold as a complete master cylinder and lever assembly, which is the recommended approach for this repair. Replacing the entire unit ensures all internal seals and moving parts are fresh, providing the most reliable performance.

Yes, provided your current hose is in good condition and the fittings are compatible with the Dominion T-Series system. However, it is often good practice to inspect the hose end for wear when installing a new master cylinder.