Differential covers
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
Originally Posted by GT4point6
Do they come with a gasket or do they still use sealant? Kind of a pain when changing the fluid it you have to remove, scrape, clean and reaseal then fill from the little hole in the front of the diff.
Mag eliminates all of that. Built in seal, hole for fill, hole for drain, dipstick and larger capacity. 50k for some of our trucks, $300 for a cover isn't much in the overall picture.
Just my $.02
Kevin, 05 250 SD, XLT Sport V10, 4x2, 4.10, CC, Torqueshift towing the #63 CMC Mustang
Mag eliminates all of that. Built in seal, hole for fill, hole for drain, dipstick and larger capacity. 50k for some of our trucks, $300 for a cover isn't much in the overall picture.
Just my $.02
Kevin, 05 250 SD, XLT Sport V10, 4x2, 4.10, CC, Torqueshift towing the #63 CMC Mustang
JL
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
Originally Posted by FORDSDOWNER
Does it make up for the additional fluid that a mag holds?
JL
Postmaster
Joined: Oct 2006
Posts: 4,171
Likes: 12
From: SE Texas
Originally Posted by Big D
Anybody know the part number for the factory aluminum one - or the $$$?
I'll have the part number handy when mine gets here.
JL
Cargo Master
Joined: Jan 2006
Posts: 3,011
Likes: 90
From: SE. MA
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Junior User
Joined: May 2003
Posts: 96
Likes: 0
From: northport NY
Just my 2 cents on the M H. They tell you to over fill the diff. On my brothers (GMC) the axle seals leaked, and my (F350) the pinion seal started leaking. It has a dipstick mark for the stock level and the Ford plug is in the front, so it was easy to restore the stock level, but my pinion seal kept leaking (???). My brother tows a 5th wheel and those gmc rears get HOT! You can feel with your hand that the mag hytec was a lot cooler.
Senior User
Joined: Jun 2007
Posts: 165
Likes: 0
i noticed the same thing with the new ford cover too i have a big tex 12gn 25' gooseneck. usually hauling large trucks and jeeps back and fourth for people purchasing not running projects and having no way to haul them. my axle is substancially cooler than with the sock steel cover and 1/4 of the price. i have no problems with the m/h cover but i still would say the ford cover is abetter product for the $$$ unless you have it to throw around.
Senior User
Joined: Jun 2007
Posts: 165
Likes: 0
i agree with slowmans 110% on this one last sd i had seen hard use everyday. changed two pinion seals in rear leaking. 100k on my 03 no problems yet but i change my diff fluid every 25k and i always fill full probably overfull. never seen a seal go on my new sd yet. and i tow on a regular basis these days.
Junior User
Joined: Apr 2006
Posts: 95
Likes: 3
From: Peoria AZ
Originally Posted by ben8892002
the ford part number is 8c3z/4033/a price is around $39. same capacity as the oem steel cover 3.5quarts.