Ferrari Part Number 12646601, WASHER shown here as used in Ferrari 328 GTB/GTS (1988 -1989 inc. ABS brakes) Table 61 Brake Hydraulic System (For Car With Antiskid System - Variants For Rhd Version). Location in Diagram: 53. Required Quantity: 2. This Ferrari part is used in more than one diagram. Click on the diagrams below to see alternative uses of this part: