ZZ Diesel Schaeffers Supreme 75W-90 Gear Lube Rear Differential Kit

For 2003.5, 2004, 2005, 2006, 2007, 2017, 2018, 2019, 2020, 2021, 2022, 2023 Ford 6.7L Powerstroke F250/F350 4WD

Not for use in DANA M275, DANA M300, 10.8", or 11.8"

ZZ-0173-4 Incudes 4 quarts 75W-90
ZZ-0173-5 Incudes 5 quarts 75W-90

Always check owners manual and fill to level.

Required amounts
2003.5-2007 F350 - 4.25 quarts

2007-2023 
10.5” E-Locker - 3.3 quarts to 3.6 quarts
10.5” Non E-Locker - 3.5 quarts to 3.6 quarts