Dorman 03422 Exhaust Manifold Stud and Nut

Durable Exhaust Manifold Stud and Nut for GM Vehicles

The Dorman 03422 Exhaust Manifold Stud and Nut set provides reliable fastening for exhaust manifolds on select Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn models. Engineered with steel construction and zinc clear chromate coating, this hardware ensures corrosion resistance and long-lasting performance.

• Includes 10 steel studs and 10 flange lock nuts with zinc clear chromate finish
• Stud length of 50.75 mm with Grade 9.8 bolt strength
• Coarse thread type on both stud ends and nuts for secure fitment
• Nut thickness of 13 mm with 8 mm thread diameter
• Compatible with multiple GM models including Chevrolet Malibu, Pontiac G6, Buick LaCrosse, and Saturn Vue

Technical Specifications and Material Details

The Dorman 03422 exhaust manifold stud and nut set is manufactured from high-quality steel, providing the necessary strength and durability for exhaust system applications. Both studs and nuts feature a zinc clear chromate finish to resist rust and corrosion in high-temperature environments. The studs measure 50.75 mm in length and have coarse threads on both ends with an 8 mm diameter, matching OEM specifications. The nuts are flange lock type, 13 mm thick, and also have coarse 8 mm threads to ensure a secure and vibration-resistant connection.

Compatible Vehicles and Applications

This exhaust manifold hardware kit is designed for use on a range of General Motors vehicles. Compatible makes include Buick, Chevrolet, GMC, Oldsmobile, Pontiac, and Saturn. Specific models supported include the Chevrolet Malibu, Impala, Cobalt, Equinox, and HHR; Pontiac G5, G6, Grand Am, and Solstice; Buick LaCrosse and Regal; Saturn Vue and Aura; as well as GMC Terrain and Canyon. The Dorman 03422 part number is a standard replacement for OEM exhaust manifold studs and nuts on these vehicles.

Common Issues Addressed by This Exhaust Manifold Hardware

• Replacement of corroded or broken exhaust manifold studs and nuts
• Prevention of exhaust leaks caused by loose or damaged fasteners
• Restoration of proper exhaust manifold sealing and alignment
• Mitigation of vibration-related hardware loosening
• Ensuring secure attachment of exhaust components for optimal engine performance

Installation Notes and Tips

When installing the Dorman 03422 exhaust manifold stud and nut set, ensure the mating surfaces are clean and free of debris. Use proper torque specifications as outlined in the vehicle service manual to avoid over-tightening or stripping threads. The flange lock nuts help maintain secure fastening under thermal cycling and vibration. It is recommended to replace all studs and nuts as a set to maintain uniform clamping force and prevent future exhaust leaks.

Quality Assurance and Warranty Information

Dorman exhaust manifold hardware is manufactured to meet or exceed OEM standards for fit, form, and function. The 03422 stud and nut set is a standard replacement grade product backed by Dorman's quality control processes. While specific warranty terms may vary, Dorman typically offers limited warranties covering defects in material and workmanship to ensure customer confidence in product reliability.