Sold each. Wonder why you cannot bleed the brakes after master cylinder replacement? The feed line grommets are brittle. Always look at these pesky parts when replacing the master cylinder or when bleeding the brakes.
This is the highest part in the hydraulic system and the second to go after the slave cylinder. We would suggest that you purchase the clutch slave cylinder at the same time to save yourself extra work as when one goes the other is soon to follow. Please bleed with our ate blue factory authorized brake fluid for a perfect job. Easily replaced from under the hood.