MANUFACTURER PART NUMBER: REPF280127. Replaces Part Numbers & Specifications PRODUCT TYPE: SHOCK ABSORBER AND STRUT ASSEMBLY. TYPE: SHOCK. F-250 SUPER DUTY XL 8 CYL 5.4L 1999-2007 REAR WHEEL DRIVE. F-250 SUPER DUTY XL 10 CYL 6.8L 1999-2007 REAR WHEEL DRIVE.