National Pinion Flange Repair Sleeve Mustang 8.8 Rear End 1986-2014



  • Ultra-Thin Sleeve
  • Fills Groove on Pinion Flange
  • Includes Installation Tool
  • Made in the USA
MSRP $41.99
You save $1.00

National Pinion Flange Repair Sleeve for 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 and 2014 Mustangs with an 8.8 Rear End.

Repair that leaking pinion flange on your 1986-2014 Mustang's 8.8 rear end with this repair sleeve from National. If your pinion flange has developed a groove over the years, causing rear end fluid to leak out, the Pinion Flange Repair Sleeve (99181) is an excellent solution. 

Features and Benefits:
- Fits 1986-2014 Mustangs with an 8.8 Rear End
- Helps Repair Grooved Pinion Flange
- Simple Installation
- Includes Installation Tool
- Ultra-Thin Construction (Allows Original Seal Size to be Used)
- Proudly Manufactured in the USA!
- Prevents Rear End Leaks

This Pinion Flange Repair Sleeve is an ultra-thin sleeve that will fill in the Groove on the Pinion Flange, allowing the original seal size to be used with minimal additional lip loading. Included with the Rear End Pinion Flange Repair Sleeve is an installation tool. This allows the sleeve to be installed straight and at the right depth. The Pinion Flange Repair Sleeve is proudly manufactured in the USA!

- Ultra-Thin Pinion Flange Repair Sleeve
- Pinion Flange Repair Sleeve Installation Tool

California Residents: Proposition 65 Warning

Vehicle Fitment

This product will fit the following Mustang years:

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