[Part Information] Part Name: Fuel Pump Manufacturer: Bosch (OEM supplier to Ferrari) Pump Diameter: 36mm Part Number: 173891
[Compatible Models] Ferrari 456M Ferrari 550 Maranello Ferrari 550 Barchetta ※ Not compatible with Ferrari 456. ※ Not compatible with Ferrari 575.
[Description] The fuel pump is a critical component responsible for delivering fuel to the engine. A failing or worn pump may cause the following symptoms: · Difficulty starting or engine won't start · Engine stalling while driving · Unstable idling · Hesitation or stuttering during acceleration
Manufactured by Bosch — the OEM supplier to Ferrari — this pump meets original factory specifications. Suitable for both repair and preventive replacement.
[Important Notes] This pump has a 36mm diameter. This is a different part number from the 52mm type used on models up to the 456.
