aFe Power 46-70022-WL Differential Cover Height: 13.000 Width: 16.000 Length: 23.000 Weight: 36 Fitment: 2011/Ford/F-250 Super Duty/XLT Standard Cab Pickup 2-Door/6.7L 6651CC 406Cu. In. V8 DIESEL OHV Turbocharged::10.25 in. (12 Bolt), RearGear Oil Not For Use In Transmissions. Do Not Mix With Other Fluids.^^2011/Ford/F-250 Super Duty/XLT Standard Cab Pickup 2-Door/6.2L 6210CC 379Cu. In. V8 FLEX SOHC Naturally Aspirated::10.25 in. (12 Bolt), RearGear Oil Not For Use In Transmissions. Do Not Mix With Other Fluids.^^2011/Ford/F-250 Super Duty/XLT Extended Cab Pickup 4-Door/6.7L 6651CC 406Cu. In. V8 DIESEL OHV Turbocharged::10.25 in. (12 Bolt), RearGear Oil Not For Use In Transmissions. Do Not Mix With Other Fluids.^^2011/Ford/F-250 Super Duty/XLT Extended Cab Pickup 4-Door/6.2L 6210CC 379Cu. In. V8 FLEX SOHC Naturally Aspirated::10.25 in. (12 Bolt), RearGear Oil Not For Us...