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USD 247
Part #: MHF12-10.25

Mag-Hytec 12-10.25 & 10.5 Differential Cover

1994-2017 Ford F-250/350, Excursion & More (See Applications)
Part #: MHF12-10.25
★★★★★ ★★★★★ 8 Reviews
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The Mag-Hytec 12-10.25 & 10.5 Differential Cover adds styling, function, and protection to the rear of your 1994-2017 Ford F-250/350 Excursion and more!This heavy-duty differential cover makes it easy to do fluid changes with its built-in magnetic drain plug, oil dipstick to check fluid levels, and an o-ring gasket to provide a leak free seal. Built from aircraft grade aluminum, this differential cover features 303 stainless steel hardware and comes ready for installation on your truck. Requires allen key wrenches for installation and service. 


  • Overall Height 3-7/8" 
  • 6 Quart Capacity 
  • Finned Aircraft Aluminum Housing
  • O-Ring Gasket, No Sealant Required
  • Magnetic Drain Plug & Aluminum Dipstick 
  • Routine Lube Maintenance Without Removing Cover! 
  • Limited Lifetime Warranty On Cover, 5-Year On O-Rings.
Application Information:
Fits 2x4 & 4x4 F-250,350,E-250,350 & Excursion - 1986 to present single rear wheel

2017 Model Year Note: This cover fits on some 2017 models with the 12-bolt differential cover. To confirm this, you must physically count the number of bolts on your existing cover. The new 2017+ Ford cover for the M300 and M275 will be coming soon.  


  • MFG. Number F12-10.25
  • Manufacturer Name Mag-Hytec
  • Shipping Weight 15.00 lb.
  • Shipping Length 13 in.
  • Shipping Width 13 in.
  • Shipping Height 4 in.
  • Fuel Type Diesel / Gas
  • Warranty Yes
  • Warranty Info Limited Lifetime
  • Prop 65 WARNING: Cancer & Reproductive Harm -


Currently Viewing Reviews with a rating of 5. Click here to reset.
★★★★★ ★★★★★
4.5/5 Stars out of 8 Reviews
(Ohio) | September 25th, 2019
Great product. My stock rear diff was leaking on my 97 f250 so I decided to put a new cover on. Fit very nicely and also has very nice features like the dip stick and drain plug. I have zero complaints. Great product. Will be installing the front very soon.
10.5 MagHytec review
(Maryland) | May 29th, 2009
This is a beautiful piece of machine work. The kit even includes hex wrenches. Fit and finish were perfect. Just ordered the front Dana 60 I was so impressed with the MagHytech quality.
Mag-hytec diff. cover
(Palo Alto) | July 10th, 2009
Great item. Quality is excelent. Added 6 qts of fluid with two bottles of friction modifiers. Dipstick is very accuruate, I have no leaks, Diff runs a lot cooler drain and refill could not be easier. Well but dana 60 front cover next.
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Questions and Answers

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Most Popular Questions

This product replaces the front or rear diff cover?
View Staff Answer 

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.)

Does the gasket come with this ?
View Staff Answer 

The Mag-Hytec 12-10.25 & .5 differential covers have built in O-rings and do not require a gasket.