Description
QU40400 Differential Cover Gasket is a high quality cut gasket you can use in lieu of RTV sealant on all 1985 to 2010 Ford F-250 and F-350 trucks with 10.25" rear axles or 10.50" rear axles.
Need More Info? Use the handy Links below to access over 40 years of Dan's product and vehicle specific Tech Notes to easily get the information you need for your vehicle's repair, maintenance, or upgrade project!
Dan the Gear Man® Tech Notes:
Gasket Chart
Matching Parts
Applications
Tech Note 1: Gasket Chart
We stock Spicer High-Performance Reuseable gaskets for many applications. Below is a list of both the standard and High Performance gasket numbers for popular axles:
| Axle Model | Standard | Reuseable |
| Dana 30 | QU40236 | QU42027 |
| Dana 44 | QU40214 | QU42028 |
| Dana 50 Ford 1999-2005 | QU40367 | QU42029 |
| Dana 60, Dana 61 | QU40367 | QU42029 |
| Dana 70, Dana 70HD | QU40367 | QU42030 |
| Dana 80 | RTV S82194 | QU42031 |
| Ford Sterling 10.25" and 10.5" 1985-up | QU40400 | QU42032 |
| GM 10.5" 14 Bolt Full Float 1973-up | QU50698 | QU42036 |
| Chrysler/Dodge 9.25" Rear Axle 1974-2007 | QU50687 | QU42037 |
Tech Note 2: Matching Parts
Matching Parts for QU40400 Diff Cover Gasket in 1985-2010 Ford Sterling 10.25" and 10.5" Full Floating Rear Axles:
QU20051 Wheel Seal 1985-1997
QU50626 Inner Wheel Bearing 1985-1997
QU50625 Inner Wheel Bearing Cup 1985-1997
QU20022 Wheel Seal 1999-2010
QU50624 Inner Wheel Bearing 1999-2010
QU50623 Inner Wheel Bearing Cup 1999-2010
QU50412 Outer Wheel Bearing all 1985-2010
QU50411 Outer Wheel Bearing Cup all 1985-2010
QU20004 Axle Shaft O-Ring all 1985-2010
TK8330 Rear Wheel Bearing and Seal Kit 1985-1997
TK8329 Master Rear Wheel Bearing and Seal Kit 1985-1997
TK8333 Rear Wheel Bearing and Seal Kit 1999-2010
TK8332 Master Rear Wheel Bearing and Seal Kit with Tools 1999-2010
QU42032 Reuseable Rear Differential Cover Gasket
Applications
Ford:
F250, F350 with Ford Sterling 10.25” Rear Axle: 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
F250, F350 SRW with Ford Sterling 10.5” Rear Axle: 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Warranty
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