Dorman - HELP Exhaust Flange Stud and Nut P/N:03117
Put missing or worn exhaust flange hardware back where it belongs with the DORMAN HELP exhaust flange stud and nut, part number 03099. It fits many vehicles, among them the 1975-1979 Ford F-150, 1965-1973 Ford Mustang and 1975-1979 Ford F-250. See the "Vehicles it fits" section for the full list. This 7/16-14 x 2-1/4 in. exhaust stud kit fastens the exhaust flange connection. It is cataloged for the front position and is a direct-fit replacement for the listed applications.
Signs this hardware may need replacing include an exhaust leak or ticking noise at the flange, studs that are rusted, stretched or broken, and nuts that are missing. If worn flange hardware is the cause of the leak, this kit replaces it. Diagnose the source of the leak before you replace parts.
Interchange: 34672S · 378921S2 · 030994
This part cross-references / interchanges with the following part numbers:
What does this exhaust flange stud and nut do?
It fastens the exhaust flange joint. The stud locates the connection and the nut clamps it in place. It is a direct-fit replacement for the original hardware on the listed applications.
What size is Dorman 03099?
It is a 7/16-14 x 2-1/4 in. exhaust stud kit.
Does it fit a 1965-1973 Ford Mustang?
Yes. The 1965-1973 Ford Mustang is a listed application, along with the 1975-1979 Ford F-150 and the 1975-1979 Ford F-250. Check the "Vehicles it fits" section for other vehicles.
What are signs the exhaust flange hardware needs replacing?
Signs may include an exhaust leak or ticking noise near the flange, rusted or broken studs, or missing nuts. A worn gasket or a cracked part can cause similar symptoms, so diagnose the leak first.
How is this stud and nut installed?
It replaces the original flange hardware in the front position cataloged for these applications. Seized or broken studs may need to be extracted. Follow the vehicle service information for the procedure and torque.
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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.