Dorman 03422CD Exhaust Manifold Stud and Nut

Durable Exhaust Manifold Stud and Nut for GM Vehicles

The Dorman 03422CD Exhaust Manifold Stud and Nut set offers reliable fastening for exhaust components on select Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn models. Designed to meet standard replacement specifications, this hardware ensures secure and long-lasting exhaust manifold connections.

• Includes 10 steel studs and 10 flange lock nuts with zinc clear chromate finish
• Stud length of 50.8 mm with Grade 9.8 bolt strength
• Coarse thread type on both stud ends for secure fitment
• Nut thickness of 9 mm with M8-1.25 x 25 mm thread diameter
• Compatible with multiple GM models including Chevrolet Malibu, Pontiac G6, and Buick LaCrosse

Technical Specifications and Material Details

The Dorman 03422CD exhaust manifold stud and nut set is constructed from durable steel, providing strength and resistance to exhaust system stresses. Both studs and nuts feature a zinc clear chromate coating to resist corrosion and extend service life. The studs measure 50.8 mm in length and have coarse threads on both ends, with an M8-1.25 x 25 mm thread diameter on one end and a coarse 8 mm thread diameter on the other. The nuts are flange lock type, 9 mm thick, and also made of steel with coarse threads to ensure a secure hold under high-temperature conditions.

Compatible GM Makes and Models

This exhaust manifold stud and nut set is compatible with a range of GM vehicles, including Buick Alero, LaCrosse, and Regal; Chevrolet Cobalt, Equinox, Impala, Malibu, and HHR; GMC Terrain and Canyon; Oldsmobile Alero and Aurora; Pontiac G5, G6, Grand Am, and Solstice; as well as Saturn Aura, Ion, and Vue. The Dorman 03422CD is designed to meet the specific exhaust hardware requirements of these models, ensuring proper fit and function.

Common Applications and Problem Resolution

• Replacement of worn or damaged exhaust manifold studs and nuts
• Fixing exhaust leaks caused by loose or broken fasteners
• Restoring proper exhaust manifold sealing to prevent exhaust gas escape
• Addressing rusted or corroded hardware in older GM vehicles
• Ensuring secure mounting of exhaust manifolds after engine repairs

Installation Notes and Tips

When installing the Dorman 03422CD exhaust manifold stud and nut set, ensure the exhaust manifold and cylinder head surfaces are clean and free of debris. Use proper torque specifications for the flange lock nuts to avoid over-tightening, which can cause stud breakage. It is recommended to replace all studs and nuts as a set to maintain uniform clamping force and prevent future exhaust leaks. Applying anti-seize compound on the threads can facilitate future removal and prevent corrosion.

Quality Assurance and Warranty

Dorman provides this exhaust manifold stud and nut set as a standard replacement part manufactured to meet OEM specifications. The steel construction and zinc clear chromate finish contribute to durability and corrosion resistance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship to ensure customer confidence in product reliability.