1999 Ford Mustang Performance Differentials

Please Select your Vehicle to See Exact Fit Parts

Keep Your 1999 Ford Mustang in Top Shape with Quality Performance Differentials

Whether you’re repairing or upgrading your Performance Differential, using high-quality parts is key to keeping your 1999 Ford Mustang looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Differential Covers and Performance Differential Carrier Bushings. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Competitive Prices and Extensive Inventory

The average price for a 1999 Ford Mustang Performance Differential at Advance Auto Parts is around $74.32, with a range that starts at $42.99 and goes up to $89.99. With 2 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Differential Cover Kit and Differential Carrier Bushing Set start at just $42.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Performance Differential, don’t forget to check out other key components like Performance Oil Filters and Programmers. At Advance Auto Parts, we’re here to help you keep your 1999 Ford Mustang in peak condition, inside and out.

Essential 1999 Ford Mustang Performance Differentials

Mr. Gasket – Differential Cover Kit (Part No.9893G)

Differential Cover Kit

from

$89.99
Made from heavy gauge steel, this chrome plated rear end cover comes complete with bolts and gaskets.

Product Features:
  • Chrome plated steel for looks
  • Includes bolts and gasket
See More

Energy Suspension – Differential Carrier Bushing Set (Part No.4.1126R)

Differential Carrier Bushing Set

from

$42.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.

Product Features:
  • Made Of Superior Hyper-Flex Material
See More

Most Popular Performance Differential Cover for 1999 Ford Mustangs

Enhance your 1999 Ford Mustang with this popular Performance Differential Cover we have in stock, for $89.99.

Mr. Gasket – Differential Cover Kit (Part No.9893G)

Differential Cover Kit

from

$89.99
Made from heavy gauge steel, this chrome plated rear end cover comes complete with bolts and gaskets.

Product Features:
  • Chrome plated steel for looks
  • Includes bolts and gasket
See More

Best-Selling 1999 Ford Mustang Performance Differential Carrier Bushing

Upgrade your Mustang with our best-selling Performance Differential Carrier Bushing.

Energy Suspension – Differential Carrier Bushing Set (Part No.4.1126R)

Differential Carrier Bushing Set

from

$42.99
Energy Suspension continues to be the World leader in performance polyurethane suspension technology. Dedication to manufacturing and developing superior products has established Energy Suspension as the most asked-for name in performance polyurethane components today. The complex and diverse nature of Energy’s proprietary Hyper-Flex material requires constant attention to developing the optimum polyurethane formulas. This devotion has produced the quality components that our customers continue to demand. Providing problem-solving solutions with applications for the most popular vehicles, paired with our Limited warranty and superb customer support, Energy Suspension is your first quality choice in performance polyurethane suspension components.

Product Features:
  • Made Of Superior Hyper-Flex Material
See More

FAQs for 1999 Ford Mustang Performance Differentials

What are the best-selling Performance Differentials for 1999 Ford Mustangs?

Out of 2 Performance Differentials that fit 1999 Ford Mustangs, the following parts are the top sellers:

What’s the price range for 1999 Ford Mustang Performance Differentials?

The prices of Performance Differentials for the 1999 Ford Mustang range from $42.99 up to $89.99 for the most premium parts.

What is the average price of a Performance Differential for a 1999 Ford Mustang?

The average price for Performance Differentials for the 1999 Ford Mustang is $74.32. Keep in mind the variety of part types within our Performance Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Performance Differentials for other Ford Mustang model years?

Yes, we carry Performance Differentials for 27 model years of Ford Mustangs between 1986 and 2014. The following model years are the most popular for Performance Differential purchases: 2003, 2002, 2001, 2000, 1998, 1997, 1996, 1995, and 1994.

What are the cheapest Performance Differentials for my 1999 Ford Mustang?

The cheapest 1999 Ford Mustang Performance Differentials we carry are:

Does Advance Auto Parts sell Performance Differentials for any other 1999 Ford models?

Yes. We stock Performance Differentials for 3 other popular 1999 Ford models. Some of the most popular are 1999 F-150 Performance Differentials, 1999 E-150 Econoline Performance Differentials, 1999 Explorer Performance Differentials, and 1999 Expedition Performance Differentials.

What types of Performance Differentials do you sell for my 1999 Ford Mustang?

As of 6/2/26, these are some of the most in-demand types of Performance Differentials for a 1999 Ford Mustang:

Can I get help with 1999 Ford Mustang Performance Differential orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Ford Performance Differentials and more.

What is your return policy for Ford Mustang Performance Differentials?

Advance Auto Parts keeps returns simple. For new Ford Mustang Performance Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.