Dorman 674-934 Exhaust Manifold - Front

Reliable Exhaust Manifold for Nissan and Infiniti Vehicles

The Dorman 674-934 exhaust manifold is designed to provide a durable and efficient exhaust flow solution for select Nissan and Infiniti models. Crafted from cast iron with a natural finish, this exhaust manifold ensures long-lasting performance and compatibility with your vehicle.

• Constructed from durable cast iron material
• Natural color finish for corrosion resistance
• Oval port shape for optimized exhaust flow
• Includes mounting hardware for straightforward installation
• Comes with a gasket and seal to ensure a proper fit
• Equipped with a heat shield to protect surrounding components
• Package includes exhaust manifold, gasket, flange, studs, and nuts

Durable Cast Iron Construction and Complete Hardware

This Dorman exhaust manifold (part number 674-934) is made from cast iron, a material known for its strength and heat resistance, making it suitable for the high-temperature environment of the exhaust system. The natural finish helps resist corrosion over time. The oval port shape is designed to match the exhaust ports on compatible Nissan and Infiniti engines, ensuring efficient exhaust gas flow. Included mounting hardware, gasket, and heat shield simplify the replacement process and help maintain proper sealing and heat management.

Compatible Nissan and Infiniti Models

This exhaust manifold is compatible with several Nissan and Infiniti vehicles, including the Nissan Altima, Maxima, Murano, and Quest, as well as the Infiniti I35. Using the correct exhaust manifold helps maintain engine performance and emissions compliance on these models.

Common Issues Addressed by This Exhaust Manifold

• Exhaust leaks causing noise and reduced engine efficiency
• Cracked or warped manifolds due to heat stress
• Failed gaskets leading to exhaust gas escape
• Corrosion damage from prolonged exposure to elements
• Heat damage affecting nearby engine components

Installation Notes and Tips

Installation of the Dorman 674-934 exhaust manifold includes all necessary mounting hardware, gasket, studs, and nuts. It is recommended to inspect the exhaust ports and surrounding components for damage before installation. Proper torque specifications should be followed to ensure a secure fit and prevent leaks. The included heat shield should be installed to protect adjacent parts from excessive heat.

Quality Assurance and Warranty

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit and function. The 674-934 part comes with a regular grade type assurance, including a gasket and heat shield to support reliable operation. Please refer to Dorman's warranty policy for specific coverage details.