Dorman 674-684 Exhaust Manifold - Left

Dorman 674-684 Exhaust Manifold for Toyota Trucks

Dorman 674-684 is a stainless steel exhaust manifold engineered to match the fit and function of the original manifold on specified vehicles. It is built for the left side and includes the gaskets, heat shield, and downpipe hardware needed for a complete repair on select Toyota Sequoia and Toyota Tundra applications.

Key Features

• Stainless steel construction for exhaust-side durability
• Direct-fit replacement for the left exhaust manifold position
• Round port shape for OE-style alignment
• Includes gasket or seal, heat shield, and mounting hardware
• Package contents support a complete manifold service
• Cross-references ATP 101359 for the same application

Detailed Description

This exhaust manifold is designed for 2000-2004 Toyota Tundra, left and 2001-2004 Toyota Sequoia, left applications. The Dorman 674-684 part number is built to restore proper exhaust routing at the cylinder head and flange connection while matching the original manifold’s fit and function. Its natural stainless steel finish and regular-grade construction make it a practical OE-style replacement for Toyota Sequoia and Toyota Tundra exhaust repairs.

Use Dorman 674-684 when replacing a cracked, warped, or leaking left exhaust manifold on the listed Toyota models. The included gasket, flange, studs, nuts, and heat shield help support a complete manifold service, and the round port design helps maintain correct connection geometry during installation.

What This Part Helps Fix

• Exhaust leaks at the manifold-to-cylinder-head sealing surface
• Broken or damaged manifold mounting points
• Noise from a cracked left exhaust manifold
• Flange sealing issues at the downpipe connection
• Heat-related deterioration of the original manifold assembly

Installation Notes and Tips

Fits 2001-2004 Toyota Sequoia, left. Fits 2000-2004 Toyota Tundra, left. Confirm engine-side manifold orientation and compare the original part before installation. Clean the mating surfaces thoroughly and inspect the flange connection, studs, and nuts during assembly to help achieve a proper seal.

Quality Assurance

Dorman manufactures this manifold to match the fit and function of the original part on the listed vehicles. Part number 674-684 is built as a direct replacement for specified Toyota applications and is supplied with the components listed in the package contents for repair service.