HELP need longer bolts for 08 Diff cover
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Senior User
Joined: Mar 2009
Posts: 291
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HELP need longer bolts for 08 Diff cover
Santa brought my son a 08 diff cover for his super duty. Now we are having a hard time finding longer bolts. i bought it from the Thinkparts in Wa, and will call later today. Local stealership told my son $13 PER BOLT.... wow . is the bolt a special pitch, or metric thread? We don't want to bugger the threads with an incorrect bolt. Never fails, I need his truck to haul a steer for slaughter this weekend! Thanks all, and best wishes for a healthy and happy New Year!
C
C
Post Fiend
Joined: Feb 2009
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From: Texas Coast
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From: Frederick, MD
Logistics Pro
Joined: Nov 2004
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From: Lancaster County PA
They are just regular bolts. I think they are 5/16" SAE, but they might be metric. Regardless, I got mine by measuring the length of the old bolt and adding the thickness of the new diff cover at the bolt hole to it. Then I walked in to my local ACE hardware and bought the exact bolts I needed for probably 7-8 bucks (I used stainless steel).
There is really nothing special about these bolts other than you need longer ones to account for the thicker diff cover.
There is really nothing special about these bolts other than you need longer ones to account for the thicker diff cover.
Postmaster
Joined: Jan 2005
Posts: 4,424
Likes: 12
From: BC Canada
Make sure you put the threads of old and new together, side by side, with threads together and that they are exactly the same, but longer lenght, old farm boy trick, but its a lot easier than re tapping after you use the wrong thread pitch.
Postmaster
Joined: Jun 2007
Posts: 2,795
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From: Rogue River, OR
Thread a nut onto the old bolt then make sure that it will thread onto the new bolt. I bought my stainless bolts at a hardware store as well.
Rog
Rog
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Postmaster
Joined: Nov 2005
Posts: 3,168
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From: San Ramon Ca.
5/16" X 18. About 1" long. Thats what comes with the Mag Hytec cover. Go with an allen head if you can. Use a gasket too.
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