Spicer Spindle Nut Washer P/N:621028
Help maintain proper spacing at your Super Duty's front axle spindle with the genuine Spicer Axle Nut Washer, MPN 701166X. This axle spindle thrust washer kit is listed for the 1999 and 2001-2011 Ford F-250 Super Duty, the 1999-2002 and 2004-2011 Ford F-350 Super Duty, the 1999-2011 Ford F-450 Super Duty, and the 1999-2011 Ford F-550 Super Duty. See the "Vehicles it fits" section for engine details.
The washers mount at the front axle spindle with the axle nut and are designed to provide the spacing the spindle assembly requires. Spicer notes that all 3 washers are necessary for proper spacing, so install the full kit as supplied.
Consider replacing these washers if you find them worn, scored, or damaged while servicing the front hub or spindle. Follow the vehicle service information for the correct assembly order and nut adjustment procedure.
Which vehicles does the Spicer 701166X fit?
It is listed for the 1999 and 2001-2011 Ford F-250 Super Duty, 1999-2002 and 2004-2011 Ford F-350 Super Duty, 1999-2011 Ford F-450 Super Duty, and 1999-2011 Ford F-550 Super Duty. See the "Vehicles it fits" section.
Do I need to install all three washers?
Yes. Spicer states that all 3 washers in this axle spindle thrust washer kit are necessary for proper spacing, so install the complete kit as supplied.
Is this a genuine OE part?
Spicer states that its genuine light vehicle axle products are OE parts. They are built to OE standards set by Dana and are tested and validated to rigorous OE specifications.
Where does this washer kit install?
It is a front axle part that mounts at the axle spindle with the axle nut. Follow the vehicle service information for the correct assembly order and adjustment procedure.
When should these washers be replaced?
Consider replacing them if they are worn, scored, or damaged when you service the front hub or spindle. Diagnose any noise or play first, because other axle components can be the cause.
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WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.