Dorman 03412 Exhaust Manifold Hardware Kit

Durable Exhaust Manifold Hardware Kit for Ford, Lincoln, and Mercury

The Dorman 03412 Exhaust Manifold Hardware Kit provides reliable replacement studs and nuts designed specifically for various Ford, Lincoln, and Mercury models. Engineered with steel components and precise thread sizes, this kit ensures a secure and long-lasting exhaust manifold connection.

• Includes 8 steel studs with copper finish and 8 black steel nuts
• Stud length: 54.5 mm; overall length: 17.25 inches
• Thread size M8-1.25 for both studs and nuts
• Studs are grade 5 steel; nuts are grade A-2 steel
• Standard replacement grade hardware without washers or springs

Technical Details and Material Specifications

This exhaust manifold hardware kit features steel studs with a copper color finish, providing corrosion resistance and durability under high-temperature conditions typical of exhaust systems. The nuts are made from black steel with an A-2 grade, ensuring strength and secure fastening. Each stud measures 54.5 mm in length, with an overall kit length of 17.25 inches, and both studs and nuts use an M8-1.25 thread size for precise fitment. The kit contains 8 studs and 8 nuts, designed as a standard replacement set for exhaust manifold applications.

Compatible Vehicles and Fitment

The Dorman 03412 kit is compatible with a range of Ford, Lincoln, and Mercury vehicles, including Ford E-150, E-250, E-350 Econoline and Club Wagon models, Ford Excursion, Expedition, Explorer, F-150, F-250, F-350 Super Duty, Lincoln Navigator, Mark LT, and Mercury Mountaineer. This kit is intended for use where original exhaust manifold hardware requires replacement due to wear or damage.

Common Applications and Problem Resolution

• Replacement of rusted or broken exhaust manifold studs and nuts
• Restoring proper exhaust manifold sealing to prevent leaks
• Addressing exhaust manifold vibration and noise issues
• Ensuring secure fastening after manifold removal or repair
• Maintaining exhaust system integrity on Ford, Lincoln, and Mercury trucks and SUVs

Installation Notes and Tips

When installing the Dorman 03412 Exhaust Manifold Hardware Kit, ensure all old hardware is fully removed and the manifold surface is clean. Use appropriate torque specifications for M8-1.25 studs and nuts to avoid over-tightening. The kit does not include washers or springs, so verify if your application requires additional components. Applying anti-seize compound on studs can help prevent future corrosion and ease removal.

Quality Assurance and Warranty Information

Dorman provides this exhaust manifold hardware kit as a standard replacement grade product, manufactured to meet OEM specifications for fit and function. The steel materials and grade ratings ensure durability under typical exhaust system conditions. While no specific warranty details are provided, Dorman parts generally come with a limited warranty against defects in material and workmanship.