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  #1 (permalink)  
Old 03-25-2008, 07:26 PM
Squid's Avatar
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Join Date: Sep 2007
Location: South Central Kansas
Posts: 1,858

Default PML Differential Cover

Since the thought of removing my Diff Cover every 3 to 5 months really Chaffs my butt I decided to go ahead and upgrade my Diff cover and I chose the PML. http://www.yourcovers.com/dc_10361.shtml

$238 delivered and here's what you get.
  • Increased oil capacity for cooler temperatures
  • Sand-cast aluminum with raised fins
  • Thick wall construction to add strength to the differential housing
  • Thick gasket flange will not bend when bolts are tightened
  • Machined gasket surface for secure seal using RTV or factory reusable gasket
  • Oil changes without removing the cover
  • All hardware provided, including magnetic drain plug
  • Available in as-cast aluminum, black powder coated, and polished finishes




And here's how to tell what size you need.

Starting in 2004 1/2, every Ram with the diesel got the AAM 14 bolt 11.5". Take a look at the shape of your stock cover and then compare to what you see on our website. The perimeter of the 11.5" cover comes to a point at the top and bottom. The 10.5" (used on earlier, lower power diesels) has a flat top & bottom
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2007.5 Dodge Ram 3500 HD,QC, 6.7L Cummins, 6speed Auto, 4X4, Bighorn Edition.
Click for installs: Carr Steps PML Diff Cover Edge Juice with Attitude Volant Intake Hankook ATM RF10
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Old 05-30-2011, 12:09 PM
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Join Date: Dec 2008
Location: Portland OR
Posts: 196
Default Axel size

Since you are talking about covers and I want to buy those covers front and back, I thought I would ask here. I guess the axel size matters with the oil level as well. How do you know what axels you have? How much oil does each axel hold with stock covers and new covers? Does everyone really change the axel oil every 15,000 miles? 2008 6.7L HD2500 Thanks
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Edge insight, Amp tailgate step, 4" Boss Bars, rear air bags with compressor, spray in bed liner
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Old 05-30-2011, 10:56 PM
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Join Date: Apr 2010
Location: N. Calif.
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Stock Covers: Front Axle, 2.35 Quarts and Rear Axle 3.8 Quarts.

I go 50-60,000 miles on front axle and ~40,000 miles on rear. Oil still looks good even with tahat many miles. Doesn't make sense that dodge went from 60,000 miles with 5.9 to 15,000 miles with 6.7 using same axles.
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07.5 2500 quad, sb, auto,4x4, Big Horn. wheel to wheel nerf bars, amp bumper step
08 Jazz 36' 5er, 12,000lbs
28' PJ gooseneck,22,400 gvw
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Old 06-02-2011, 11:06 AM
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Thanks Dodge, It does seem crazy for 15,000 miles that is why I was wondering how many changed it at the time. Do these covers use the same fill level as the stock ones (if so how do I know what axel I have) or do you fill till it comes out?
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Edge insight, Amp tailgate step, 4" Boss Bars, rear air bags with compressor, spray in bed liner
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Old 06-04-2011, 11:04 PM
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Quote:
Originally Posted by jamespi View Post
Thanks Dodge, It does seem crazy for 15,000 miles that is why I was wondering how many changed it at the time. Do these covers use the same fill level as the stock ones (if so how do I know what axel I have) or do you fill till it comes out?
You have the 11.5 axle. Look at the picture that Squid posted and look at the bolt pattern/cover bolt flange shape. Should be the same as yours. After market covers have the level plug at the same height as factory, so fill it to same level as factory. Its the height not the amount of lube that is important for lube to reach all the bearings.
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If you bad mouth farmers just make sure your mouth is empty
07.5 2500 quad, sb, auto,4x4, Big Horn. wheel to wheel nerf bars, amp bumper step
08 Jazz 36' 5er, 12,000lbs
28' PJ gooseneck,22,400 gvw
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Old 06-06-2011, 08:43 PM
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Thanks for the help.
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2008 Dodge 2500HD 6.7L 4X4 Laramie
Edge insight, Amp tailgate step, 4" Boss Bars, rear air bags with compressor, spray in bed liner
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Old 06-10-2011, 01:12 AM
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Join Date: Jun 2011
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Default New and lost

I bought my 07.5 about four weeks ago with 63,000 on it. Your saying that I need to change the fluid in my differential every 15,000? Unless I buy upgraded covers.
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Old 06-14-2011, 08:27 PM
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2007.5, QC-DRW 3500 BFT Laramie, SunCoast 68rfe, 3.73LS, 988s, AMSOil Dual-Gard ByPass, PML, Cool Hose, MBRP 5", Aero 5050, Valvoline Blue Extreme. Yukon free spin, 245x19.5" wheels/tires -38EL Cedar Creek-Champagne Edition 17.5 H-Rates tires
My 2007.5 DRW Truck
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Old 06-15-2011, 06:01 PM
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I just got mine in! I called them about the fill level and he said to have the oil just below the fill hole.
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Edge insight, Amp tailgate step, 4" Boss Bars, rear air bags with compressor, spray in bed liner
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Old 12-17-2011, 03:30 PM
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Hey, does the amount of oil in the differential really make a diffrence? I only ask this because I am looking to upgrade my cover and have looked at all the covers and found most have around 5 quart capacity compared to the 4 quart of the stock. But the Mag hytec claims to hold 8 QUARTS ! Anyone comment on this? thanks
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08 6.7L engine NOT STOCK, 6 speed auto, 2 inch leveling kit sittin on 285/70/17 Toyo Open Country ATII, 3.73 rear end, SLT package, Smarty Jr with Edge CTS monitor system. 24MPG@65MPH , use RBP fuel additive.
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