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1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit by Royal Purple


1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit
1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit
1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit
1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit
1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit
1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit
1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit
1986-14 Mustang Royal Purple 8.8" Rear Differential Fluid & Seal Kit

Use this 1986-2014 Mustang 8.8" rear differential fluid and seal kit to finish up a gear install!

Item #LRS-F8804K

Everyday Low Price: $74.99

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LMR showroom & will call pickup service will be closed beginning Monday 9/21/26 for renovations until further notice. Need help? Contact Us.

Made in the USA

 Benefits

  • Perfect For Gear Swaps
  • Refills Differential

 Features

  • Royal Purple Fluid
  • Ford Racing Friction Modifier
  • High Quality Gasket

 What's in the Box

  • (2) Royal Purple Differential Fluid
  • (1) Ford Racing Friction Modifier
  • (1) High Quality Gasket

1986-2014 Mustang 8.8" Rear Differential Fluid & Seal Kit 

This 1986-2014 Mustang 8.8" rear differential fluid and seal kit is the perfect way to finish up any differential repair, upgrade, or modification. Whether you are installing new rear gears, putting in a new differential, or simply wanting to drain & refill your differential fluid, this kit can help get the job done. Featuring 2 bottles of Royal Purple Max-Gear Gear Oil 75W140, 1 bottle of Ford Ford Racing friction modifier, and a differential gasket, this kit has everything you need to complete your install.

High-Quality Components

With high-quality fluid from top names in the business, you know you are getting the best fluid available for your Mustang. Late Model Restoration has put together this kit with Royal Purple and Ford Ford Racing fluids to keep your differential running smoother and quieter. With the included Lube Locker gasket, you can rest assured your differential will be sealed up to prevent leaks. This gasket has a built-in rubber seal so you do not need to apply messy RTV sealant.

Ford Friction Modifier

Although Royal Purple has some friction modifier in it, Ford rear ends needs a little bit more. This kit includes one bottle of friction modifier to provide smooth operation of clutch-type limited-slip differentials. The specially formulated additive eliminates rear-end chatter for quiet operation.

Fluid Note

  • LMR recommends the 75W140 viscosity for all 1986-2014 8.8" differentials as it is appropriate for most climates, fuel economy, and performance.
  • When running an aftermarket differential cover, check the fluid capacity recommendation as more fluid may be required.

Application

  • Fits 1986-2014 Mustang with 8.8" differential
  • Ford Mustang - 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014

California Residents:
Prop 65 Warning SignWARNING: Cancer and Reproductive Harm- www.P65Warnings.ca.gov

About This Brand


Royal Purple

Royal Purple - Unleash The Power
The most frequent comment from customers is how they can feel the difference in their vehicles after switching to Royal Purple. For instance, Royal Purple Motor Oil typically improves horsepower and torque up to 3%. It also reduces fuel consumption by as much as 5% and typically reduces emissions 20% or more. Performance gains will vary depending on the type of vehicle, its condition, and the way it's driven. Shop Latemodel Restoration to get all of the Royal Purple oil and lubricants you need!

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