Dorman 674-877 Exhaust Manifold

Dorman 674-877 Exhaust Manifold for Prius

This Dorman exhaust manifold is built for 2004-2009 Toyota Prius applications and follows the original fit and function for a direct exhaust repair. The Dorman 674-877 includes the heat shield and downpipe hardware needed for a complete service, along with an oxygen sensor port for proper system integration.

Key Features

• Fits 2004-2009 Toyota Prius
• Standard replacement exhaust manifold for OE-style fitment
• Stainless steel construction with metallic gray finish
• Round port design with 2-inch collector port diameter
• Oxygen sensor port included
• Heat shield included for thermal protection
• Mounting hardware included
• Five mounting holes for secure installation
• Part number 674-877 for easy identification

Detailed Description

The Dorman 674-877 exhaust manifold is precision-engineered for the 2004-2009 Toyota Prius to restore proper exhaust routing and sealing at the manifold location. Built from stainless steel, it is manufactured to match the original manifold’s fit and function on the specified vehicle range. The round port layout, 2-inch collector port diameter, and integrated oxygen sensor port support a factory-style repair on Prius exhaust systems. This part cross-references Monroe Shocks & Struts (e.g., 1714121120) for the same application. If you are searching for a Toyota Prius exhaust manifold replacement, Dorman 674-877 provides a direct-fit option for model years 2004 through 2009.

What It Helps Repair

• Exhaust leaks at the manifold area
• Cracked or warped original manifold assemblies
• Noise from a leaking exhaust connection
• Check engine light concerns related to manifold sealing or oxygen sensor access
• Heat-related damage around the exhaust manifold zone

Installation Notes and Tips

Verify vehicle year and engine application before installation on your Toyota Prius. Inspect the mating surfaces, oxygen sensor threads, and downpipe connection points before assembly. Use the included heat shield and mounting hardware during installation, and follow factory torque specifications for the manifold fasteners. Because this is a direct replacement exhaust manifold, proper alignment of the round ports and collector connection is important for a secure seal.

Quality Assurance

Dorman manufactures this exhaust manifold as a standard replacement part engineered to match original fit and function on the listed vehicles. The stainless steel construction and application-specific design support a repair focused on restoring factory-style exhaust performance for the 2004-2009 Toyota Prius.