Rear Diff Cover for Dana M300 Ford F350 and F450 Dually

Regular price $139.00

Save: $-139.00 (Liquid error (sections/main-product line 238): divided by 0%)
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SKU : MB4106

Vendor : Motobilt

Product Type : Diff Cover

Collections : Best selling products, Best Selling Products, Diff Covers, Motobilt, Parts $101 - $500, Products,


The Motobilt M300 Heavy Duty Diff Cover is designed and fabricated with strength and style in mind.  Like our other differential covers the M300 version is laser cut from 1/4” steel and formed to fit on the 3/8” thick steel ring. The covers are welded inside and out.  The fill plug is a 3/4” NPT thread and uses a 9/16” Allen wrench to install and remove. The covers ship with mounting hardware. The doff cover is shipped bare steel ready for you to paint or powder coat to the color of your choice.  We do stand behind our diff covers with a lifetime warranty.  If you damage it or ever have issues with a Motobilt welded diff cover just contact our sales staff.  Keep in mind we do not warranty the DIY versions of our diff covers. 

The Motobilt M300 diff cover fits 2017-22 Ford F-350/450 DUAL REAR WHEEL rear axles.


  • Fits  2017-22 Ford F-350/450 DUAL REAR WHEEL rear axles
  • cut outs for sensors in rear axle housing
  • 1/4” steel shell
  • 3/8” steel ring
  • mounting hardware included
  • Includes a fill plug
  • laser cut and CNC formed in house a Motobilt in the the USA. 
  • Lifetime Warranty


  • Dispatch: Within 24 Hours
  • Free shipping across all products on a minimum purchase of $50.
  • International delivery time - 7-10 business days
  • Cash on delivery might be available
  • Easy 30 days returns and exchanges

If you do not like the product you can return it within 15 days - no questions asked. This excludes bodysuits, swimwear and clearance sale items. We have an easy and hassle free return policy. Please look at our Delivery & Returns section for further information.



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Rear Diff Cover for Dana M300 Ford F350 and F450 Dually

Rear Diff Cover for Dana M300 Ford F350 and F450 Dually

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