Differential cover

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Mar 21, 2018 | 03:45 PM

Irtnog

Thread Starter

5th Wheeling

Joined: Feb 2016

Posts: 46

Likes: 4

From: Ocala

Differential cover

I'm getting my 2000 f350 ready to drive it on a 15,000 mile road trip to Alaska and around the US. I am going to change the differential oil before I go and planned to change the rear differential cover as well. I was told yesterday that a differential cover for a 450 will fit the 350 and that the 450 cover has fins on it, which I something I was seriously considering buying. I don't want to spend $200+ for a new cover so I'm wondering if what I was told is true and if so do I need a gasket for it or did they use some kind of compound to make the gasket. Anybody?

Mar 21, 2018 | 04:05 PM

brandon_oma#692

Fleet Mechanic

Joined: Dec 2008

Posts: 1,787

Likes: 31

From: Northern Illinois

You have a Sterling 10.25/10.5 rear axle. The 350 and 450 of that era have Dana 80 and will not fit.

Mar 21, 2018 | 07:20 PM

Irtnog

Thread Starter

5th Wheeling

Joined: Feb 2016

Posts: 46

Likes: 4

From: Ocala

Brandon, you said that the 350 and 450 have a different axle. This is a 350 4x4 single rear axle. Is what you said still applicable?

Mar 21, 2018 | 07:48 PM

brandon_oma#692

Fleet Mechanic

Joined: Dec 2008

Posts: 1,787

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From: Northern Illinois

Sorry about that.
250 and 350 srw are sterling
350 drw and 450 drw are dana 80

Mar 21, 2018 | 08:07 PM

Mike189677

Fleet Mechanic

Joined: Jan 2012

Posts: 1,841

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What he said above does apply you can use this one instead it’s a ford oem part that came on 08 and up diesels you will need some longer bolts I think it’s a 5/16”-18x1 1/4” or 5/16”-18x1 1/2” you can get them at Home Depot. You will also need some gasket maker.

Ford 8C3Z-4033-A Cover

Amazon

Mar 21, 2018 | 08:10 PM

Lawnpro979

Senior User

Joined: Nov 2017

Posts: 337

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From: Bellville TX.

I’m not trying to be smart, BUT

why do you need a cover?

is there a heat issue?

also, when I did mine there was a gasket, and I used gasket sealant..

Mar 21, 2018 | 08:19 PM

leadmic

Fleet Mechanic

Joined: Feb 2002

Posts: 1,483

Likes: 273

From: Tulare U.S.A.

I just did my F250 and bought a unpainted cast aluminum aftermarket cover off eBay for $52 and it has a drain plug and it comes with new bolts. The stock aluminum doesn't have a drain plug.
Mark