Fuel Injection Pressure Regulator-GAS Standard PR594. See our other listings. 4H0201559,4H0201559A, 4H0201559C, 4H0201559. Fuel Injection Pressure Regulator. See Item Specifics section for additional specifications about this part. To confirm that this part fits your vehicle, enter your vehicle’s Year, Make, Model, Trim and Engine in the Compatibility Table. Also review the notes section in the compatibility chart for additional specifications about this part. This part generally fits Audi vehicles and includes models such as A8 Quattro, S8 with the trims of Base Sedan 4-Door, Elite Sedan 4 -Door, L Premium Sedan 4-Door, L Sedan 4-Door, L Sport Sedan 4-Door, L TDI Sedan 4-Door, L W12 Sedan 4-Door, Plus Sedan 4-Door, Premium S edan 4-Door. The engine types may include 3.0L 2967CC 181Cu. V6 DIESEL DOHC Turbocharged, 3.0L 2995CC 183Cu. V6 GAS DOHC Su percharged, 3.0L 2995CC V6 GAS DOHC Supercharged, 4.0L 3993CC 243Cu. V8 GAS DOHC Turbocharged, 4.2L 4163CC V8 GAS DOHC Naturally Aspirated, 6.3L 6299CC 384Cu. W12 GAS DOHC Naturally Aspirated. This part fits vehicles made in the following years 2011,2012,2 013,2014,2015,2016,2017,2018. Welcome to our Store. You will find incredible deals with unbelievable pricing. Our company is a California based e-commerce store so we have access to an extremely wide range of great products. Thank you for your business. Portions of the part information on this page have been provided by WHI Solutions, Inc.