Large Round Universal Adapter (1.5"–4.5")

Tackle any reservoir size with the Motive 1119 Large Round Universal Adapter. Engineered from corrosion-resistant aluminum, this versatile adapter clamps securely to master cylinders from 1.5" up to 4.5" in diameter—covering modern imports, domestic cars, classic ’60s American vehicles, Hondas with 3.0" OD reservoirs, and marine applications. Its robust clamping hardware ensures a leak-proof seal for one-person, pressure-bleeder operations, so you can purge air and old fluid cleanly without swapping adapters.

Key Features

• Universal Fit Range: Adapts to reservoir openings from 1.5"–4.5" OD

• Heavy-Duty Clamp Hardware: Spring-loaded band provides a tight, leak-free seal

• Classic & Modern Compatibility: Ideal for ’60s American, Honda 3.0" OD, import, domestic & marine reservoirs

• Corrosion-Resistant Aluminum: Durable construction resists brake fluid and harsh environments

• Quick Setup: Tool-free clamp adjustment for rapid adapter changes

Benefits

• Reduced Inventory: One adapter covers nearly every reservoir size—no more searching for the right cap

• Time Savings: Fast clamp-on installation speeds up one-person brake bleeding

• Mess-Free Operation: Secure seal prevents fluid leaks and spills during bleeding

• Long-Lasting Reliability: Premium materials and hardware stand up to repeated shop use

• Versatile Service: Perfect for home garages, professional workshops, and mobile techs alike