Fuel Injection Pressure Regulator Dorman 904-573. See our other listings. Fuel Injection Pressure Regulator. This fuel pressure regulator is engineered to match the fit and function of the original equipment regulator on specified vehicles. This part is made of quality materials for durability and a long service life. 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. The engine types may in clude 5.7L 345Cu. V8 GAS OHV Naturally Aspirated, 5.9L 359Cu. L6 DIESEL OHV Turbocharged, 6.7L 408Cu. L6 DIESEL OHV Turb ocharged. This part fits vehicles made in the following years 2003,2004,2005,2006,2007,2008,2009. This item may interchange to the following part numbers from other brands. AI/BWD AUTOMOTIVE, AIRTEX AUTOMOTIVE DIVISION, AIRTEX ENG MGMT SYSTEMS, AUTOZONE/BLUE STREAK, AUTOZONE/GP SORENSEN, BOSTECH, BWD AUTOMOTIVE, CHRYSLER OE, GP SORENSEN, GUARANTEED PARTS, O’REILLY/STD, O’REILLY/STI, STANDARD MOTOR PRODUCTS. Koskowski Automotive, LLC is a small family run business located in Fulton, NY. We have been in business since 1972. We offer new and used auto parts for all types of cars, trucks, vans and suv’s. Portions of the part information on this page have been provided by WHI Solutions, Inc.