Ferrari Part Number 112073, COPEICHIO TESTJ DX. shown here as used in Ferrari 308 GT4 Dino (after 1976) Table 46 Air Pump And Piping (Variants For Usa - Aus And J Version). Location in Diagram: 54. Required Quantity: 1. This Ferrari part is used in more than one diagram. Click on the diagrams below to see alternative uses of this part: