Ford 7.5", Nitro Girdle Diff Cover

Price $275.00
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Ford 7.5" HD Nitro Finned-Aluminum Increased-Capacity, Diff Cover

Nitro Aluminum differential covers are extremely thick and have been thoroughly tested in Moab, King of Hammers, and numerous other locations, proving they will handle the rocks, roots, stumps, and anything else you can throw at them. Finned aluminum dissipates heat faster than steel reducing the operating temperature inside your differential and extending the life of your components. Aluminum can't rust and a Nitro aluminum differential cover will keep your undercarriage looking great all year round. Our wide selection of available covers makes it possible to equip both the front and rear differentials with Nitro covers on many vehicles.


  • All girdles are made of 356 aircraft grade aluminum, heat treated to T6 specifications, each cover is then stress relieved.
  • The covers are machined using a 3 step CNC process, which ensures accuracy and quality.
  • Each cover is hand deburred and inspected for the utmost in fit and finish. Then each cover is hand assembled and packaged.
  • All Girdles incorporate a Fill Port and a Drain Port for ease of servicing.
  • All Girdles incorporate 2 load bolts with swivel "feet" for supporting the bearing caps.
  • All Girdles increase fluid capacity approx. 1/2 pint.
  • All Girdles show a decrease in operating temperature, average of 15 degrees
  • Improves Undercarriage Appearance


Differential: Ford 7.5"

Material: 356-T6 Aircraft Grade Aluminum

Differential Bolts: 12 included

Manufacturer: Nitro Gear & Axle

Warranty: 1 year*


1985-1997 Ford Aerostar

1984-1990 Ford Bronco II

1978-1983 Ford Fairmont

1979-1982 Ford Granada

1979-2010 Ford Mustang

1983-2011 Ford Ranger

1980-1988 Ford Thunderbird

1979-2002 Lincoln Continental

1980-1983 Lincoln Mark VI

1984-1992 Lincoln Mark Vll

1979-1983 Lincoln Zephyr

1994-2002 Mazda B3000

1994-2007 Mazda B4000

1979-1980 Mercury Bobcat

1979-1986 Mercury Capri

1980-1988 Mercury Cougar

1979-2011 Mercury Grand Marquis

2003-2004 Mercury Marauder


*All Nitro Gear & Axle brand products are warrantied to be free of manufacturer defects for the specified period. Warranty requests must be made by the original purchaser and submitted by the dealer purchased from. Any parts sent for warranty consideration must be pre-approved and shipped prepaid freight to our facility with copy of RGA for our inspection & determination. We will not pay for labor, shipping cost, loss of revenue or perishable goods, commercial losses, costs of telephone calls, shipping or general inconvenience. This is our only warranty expressed or implied. Unauthorized warranty returns may be refused. Warranty generally covers MFG defects in material or workmanship. Abuse, overloading, improper lubrication, misuse, commercial or competition use voids warranty. Normal characteristics are not warrantable, such as Gear whine. Minor cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered defect, it is installer responsibility to address these at time of install. Customer is responsible for shipping charges if warranty is granted. Warranty is for the original purchaser/user, is not transferable. Warranty covers one replacement or credit solely at our discretion. Warranty determinations are at our sole discretion.

In addition to the above conditions, see special notes for these products:

Ring & Pinion - Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.

Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.

Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.


This product can expose you to chemicals including toluene and benzene, which are known to the State of California to cause cancer and birth defects or other reproductive harm.
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