CLASSIC MINI CLUTCH MASTER CYLINDER GASKET 31G279 ALSO SINGLE LINE BRAKE BF12

Classic Mini Master Cylinder Gasket Single Line 

This gasket sits under the master cylinders on clutch and brake master cylinders. 

This if for the earlier all metal type single line reservoir type master cylinders but for dual brake master cylinders please use 31G840. This will also fit the plastic type clutch master cylinder. 

Part number for reference: 31G279