MANUFACTURER PART NUMBER: BIL24186025. PRODUCT TYPE: SHOCK ABSORBER AND STRUT ASSEMBLY. F-350 SUPER DUTY XL 8 CYL 5.4L 1999-2010 CREW CAB PICKUP, 4WD; FITS VEHICLES WITH 0-1" REAR LIFT. F-250 SUPER DUTY XL 8 CYL 6.4L 2008-2010 4WD; FITS VEHICLES WITH 0-1" REAR LIFT.