Dorman 674-589 Exhaust Manifold

Durable Exhaust Manifold for Nissan Frontier

The Dorman 674-589 exhaust manifold is designed specifically for Nissan Frontier models, providing a reliable replacement part made from cast iron. This exhaust manifold comes complete with all necessary mounting hardware and gaskets to ensure a proper fit and seal.

• Constructed from durable cast iron material
• Natural color finish with square port shape
• Includes exhaust manifold, 4 manifold gaskets, 3 studs, and 3 nuts
• Heat shield included for added protection
• Mounting hardware and gaskets included for straightforward installation
• Regular grade type for standard performance requirements

Product Details and Specifications

The Dorman 674-589 exhaust manifold is engineered with a cast iron construction that offers strength and heat resistance, suitable for the thermal demands of the Nissan Frontier exhaust system. The natural finish and square port shape are designed to match OEM specifications, ensuring compatibility and efficient exhaust flow. This part includes a heat shield to protect surrounding components from excessive heat, as well as all necessary mounting hardware and gaskets to facilitate a secure and leak-free installation.

Compatible Nissan Frontier Exhaust Manifold Replacement

This exhaust manifold is compatible with Nissan Frontier vehicles requiring a direct replacement part. It addresses common exhaust system issues such as:

• Exhaust leaks caused by cracked or warped manifolds
• Reduced engine performance due to damaged exhaust flow
• Excessive engine noise from manifold failure
• Failed emissions tests related to exhaust system integrity
• Corrosion or rust damage to the original manifold

Installation Notes and Tips

Installation of the Dorman 674-589 exhaust manifold should be performed by a qualified technician or experienced DIYer. Ensure the engine is cool before beginning work. Use the included gaskets and mounting hardware to achieve a proper seal and avoid exhaust leaks. Torque all bolts to manufacturer specifications and inspect the heat shield placement to prevent heat damage to nearby components.

Quality Assurance and Warranty Information

Dorman exhaust manifolds are manufactured to meet or exceed OEM standards for fit, form, and function. The 674-589 part number undergoes rigorous quality control to ensure durability and performance. This product includes a limited warranty covering defects in material and workmanship under normal use conditions.