Replace worn or missing front exhaust flange hardware with the Dorman exhaust flange stud and nut, part number 03135, a 7/16-14 x 2.535 in. exhaust stud kit from the Dorman - HELP line. It fits many vehicles, among them the 1990-1996 Ford F-150, 1990-1997 Ford F-250 and 1987-1996 Ford Bronco. See the "Vehicles it fits" section for the full list and engine details.
Exhaust flange studs and nuts sit in a hot, exposed spot where rust, heat cycling and seized threads can take their toll. This Dorman hardware is designed to install like the original on the listed applications, giving you fresh fasteners to secure the front flange connection.
- Direct replacement: engineered to go in like the factory hardware on the listed applications, with the same fit and function.
- Ideal solution: a dependable choice when the original stud and nut have worn out or gone missing.
- Durable construction: made from quality materials for reliable performance and a long service life.
- Trustworthy quality: supported by Dorman's team of product experts in the United States and more than a century of automotive experience.
Signs this hardware may need replacing include an exhaust leak or ticking sound near the front flange, a loose flange joint, or studs that are rusted through or snapped. If worn flange hardware is the cause, this kit replaces it. Confirm the source of the leak before you replace any parts.
Interchange: ES75107 · 375636S7 · 389112S2 · 391104S100 · 391104S2 · N806227S100 · N806227S301
This part cross-references / interchanges with the following part numbers:
ES75107, 375636S7, 389112S2, 391104S100, 391104S2, N806227S100, N806227S301
Frequently Asked Questions
What does the Dorman exhaust flange stud and nut do?
It is replacement stud-and-nut hardware for the front exhaust flange joint. It helps hold the flange connection together on the listed applications.
What size is Dorman 03135?
Dorman lists this exhaust stud kit as 7/16-14 x 2.535 in.
Does it fit the 1990-1996 Ford F-150?
Yes. The 1990-1996 Ford F-150 is a listed application, as are the 1990-1997 Ford F-250 and the 1987-1996 Ford Bronco. Check the "Vehicles it fits" section for your exact vehicle.
What are signs exhaust flange studs need replacing?
Common signs include an exhaust leak or ticking noise near the flange, a loose flange joint, or studs that are rusted, stretched or broken. Diagnose the leak source before you replace parts.
Any tips for installing exhaust flange studs?
Seized exhaust hardware often needs penetrating oil or heat to remove. Follow the vehicle service information for the procedure and torque, and replace the flange gasket if the procedure calls for it.
