This is a 10.25 & .5 differential cover that is most commonly found in the rear of 2x4 & 4x4 F-250,350,E-250,350,& Excursions from 1986 to present single rear wheel applications. (Contact your local dealership with you VIN# to verify the differential and confirm the cover needed for your application.)
The Mag-Hytec 12-10.25 & .5 differential covers have built in O-rings and do not require a gasket.
Complete the job with these highly suggested add-on products.
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