Dorman - Autograde Spindle Nut P/N:615-220
Hold the front hub and wheel bearings securely on the spindle with this Dorman spindle nut, part number 615-074 from the Dorman - Autograde line. It fits many vehicles, among them the 1979-1993 Ford Mustang, the 1987-1991 Ford Country Squire and the 1987-1991 Ford LTD Crown Victoria. See the "Vehicles it fits" section for the full list.
This standard front spindle nut has a 13/16 in.-20 thread and a 1-1/8 in. hex. It is designed to fit and work like the original nut on the listed applications.
Signs a spindle nut may need replacing include stripped or damaged threads, a rounded hex, or a nut that is missing. If the original nut is the problem, this part replaces it. Tighten the nut and adjust the wheel bearings as the vehicle service information directs.
Interchange: 3199506 · J3199506 · 383840S · 383840S100
This part cross-references / interchanges with the following part numbers:
What does part 615-074 do?
It threads onto the front spindle and holds the hub and wheel bearings in place on the listed applications.
What are the thread and hex sizes of this spindle nut?
It has a 13/16 in.-20 thread and a 1-1/8 in. hex.
Is this the right Mustang spindle nut for a 1979-1993 Ford Mustang?
Yes. The 1979-1993 Ford Mustang is a listed front application for this nut. The "Vehicles it fits" section shows every listed vehicle.
How is this spindle nut installed?
It threads onto the spindle. Tighten it and set the bearing adjustment as the vehicle service information directs, and fit any locking hardware the procedure calls for.
What are the signs a spindle nut may need replacing?
Look for stripped or damaged threads, a rounded or cracked hex, or a missing nut. Worn bearings and other parts can also cause wheel play or noise, so find the cause before replacing anything.
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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.