Dorman 03309 Exhaust Manifold Hardware Kit - Left or Right

Durable Exhaust Manifold Hardware Kit for Chrysler, Dodge, Jeep, and Ram

The Dorman 03309 Exhaust Manifold Hardware Kit provides reliable replacement studs, bolts, and nuts designed specifically for select Chrysler, Dodge, Jeep, and Ram models. Engineered with high-grade steel components, this kit ensures secure exhaust manifold fastening and long-lasting performance.

• Includes 4 steel studs, 5 bolts, and 4 nuts for complete manifold hardware replacement
• Studs feature dual coarse thread diameters: M6-1 and M8-1.25 for precise fitment
• Stud length of 72 mm with thread lengths of 16.5 mm and 46 mm on each end
• Grade 10.9 steel construction for studs and bolts, providing strength and durability
• Studs are black coated, nuts are clear steel for corrosion resistance
• Compatible with multiple Chrysler, Dodge, Jeep, and Ram models including Ram 1500, Ram 2500, Ram 3500, Jeep Grand Cherokee, Dodge Charger, and more

Technical Details and Material Specifications

The Dorman 03309 kit is manufactured from high-quality steel with a stud grade and bolt grade of 10.9, ensuring the hardware withstands the thermal and mechanical stresses typical in exhaust systems. The studs measure 72 mm in length, with coarse threads on both ends—M6-1 on one end and M8-1.25 on the other—allowing for secure fastening to the exhaust manifold and cylinder head. The black finish on the studs and clear finish on the nuts provide corrosion resistance, extending the service life of the hardware. This kit does not include springs or washers but contains all necessary studs, bolts, and nuts for a standard replacement.

Compatible Vehicles and Applications

This exhaust manifold hardware kit is compatible with a range of Chrysler, Dodge, Jeep, and Ram vehicles. It fits models such as the Chrysler 300, Dodge Challenger, Charger, Durango, Jeep Grand Cherokee, Commander, and Ram 1500, 2500, 3500, including the Ram 1500 Classic and 2500 series. The Dorman 03309 kit is designed to replace worn or damaged manifold studs and fasteners, ensuring proper exhaust sealing and preventing leaks.

• Replaces broken or stripped exhaust manifold studs
• Fixes exhaust leaks caused by loose or damaged hardware
• Restores proper exhaust manifold alignment and sealing
• Prevents exhaust noise and fumes from entering the engine bay
• Addresses hardware corrosion and wear from heat exposure

Installation Notes and Tips

When installing the Dorman 03309 Exhaust Manifold Hardware Kit, ensure the exhaust manifold and cylinder head surfaces are clean and free of debris. Use appropriate torque specifications for the studs and nuts to avoid over-tightening or thread damage. The dual coarse thread design requires careful alignment during installation. It is recommended to replace all hardware components simultaneously to maintain uniform clamping force and prevent future failures.

Quality Assurance and Warranty

Dorman provides this exhaust manifold hardware kit as a standard replacement part manufactured to meet OEM specifications. The steel construction and grade 10.9 hardware ensure durability under typical operating conditions. While no specific warranty details are provided, Dorman parts generally come with a limited warranty against defects in material and workmanship. Refer to Dorman’s official documentation for complete warranty terms.