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Mag-Hytec Differential Cover AA14-10.5

Differential Cover AA14-10.5
Fits: 2003-2006 Dodge 2500 Series Automatic
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Year Model Description Capacity  Part #
2003-2015 Ram 2500 5.7L HEMI 14 Bolt - 10.5" Rear Diff Cover 6 Qts AA14-10.5
2003-2006 Ram 2500/3500 5.9L (Gas) / 8.0L 14 Bolt - 10.5" Rear Diff Cover 6 Qts AA14-10.5
2003-2015 Ram 2500/3500 5.9L/6.7L Cummins Diesel 14 Bolt - 10.5" Rear Diff Cover 6 Qts AA14-10.5


  • Magnetic drain plug and anodized aluminum dipstick with magnetic insert
  • O-rings require no gaskets or sealant
  • Routine lube maintenance without removing the differential cover
  • 1/8 NPT temperature sender port
  • 303 stainless steel hardware
  • Lube level reference plug
  • Finned aircraft aluminum housing
  • Requires allen key wrenches (included) for installation and service
  • Fits with most factory suspension systems and aftermarket anti-sway bars
  • All Mag-Hytec parts are covered by a lifetime limited warranty.
  • Total Capacity - 6 Quarts
  • Installation Instructionspdf

See Note in RED Letters, for Identifying your proper cover.

The Mag-Hytec AA 14-10.5 rear differential cover is cast in A356-T6 aluminum and texture powder coated black with contrasting machined cooling fins, the Mag-Hytec differential cover boasts increased fluid and cooling capacity, a magnetic dipstick for checking fluid level and checking metal particulate, a magnetic drain plug, a fluid level reference plug, as well as a temperature sender port in 1/8"NPT. All Dipstick, drain plugs and reference plugs are MS 33649 and fitted with ARP 568 O-rings for superior sealing. All fasteners are T-303 stainless steel. The cover seal is a dovetail groove mounted ARP 568 O-ring that requires no sealant or gasket. It can be removed and reinstalled several times without replacement.

Bolt Pattern has two top and bottom bolts @ 11:00 & 1:00 O'clock & 7:00 & 5:00 O'clock for quick identification.

OR #AA 14-11.5 Bolt Pattern has one top and one bottom bolt @ 12:00 O'clock & 6:00 O'clock for quick identification.


  • Bolt kit
  • Drain Plug
  • Dip Stick

Capacity: 6 Quarts

Product Description Price Order
AA14-10.5 Differential Cover
Fits: 2003-2006 Dodge 2500 Series Automatic
Capacity: 6 Quarts
Overall Height: 3 3/4"

Mfg Part # AA14-10.5
Our Part #
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Thoroughbred Diesel logo glowing Thoroughbred Diesel Performance and Repair Shop
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Winchester, KY 40391
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