Dorman 674-251 Exhaust Manifold

Dorman 674-251 Exhaust Manifold for Toyota Celica

This Dorman exhaust manifold is precision-engineered and durably manufactured to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair on 1990-1993 Toyota Celica models without California emissions.

Key Features

• Direct replacement exhaust manifold for specified Toyota Celica applications
• Cast iron construction for durable exhaust service
• Round port shape for OE-style fitment
• Includes gasket and mounting hardware for the repair
• Natural finish
• Part number: 674-251

Detailed Description

Dorman 674-251 is an exhaust manifold replacement for 1990-1993 Toyota Celica vehicles without California emissions. It is engineered to match the original manifold’s fit and function, helping restore proper exhaust routing at the cylinder head and downpipe connection. The cast iron design supports long-term durability in high-heat exhaust service, while the included gasket and flange hardware help complete the installation. If you are replacing a cracked or leaking Toyota Celica exhaust manifold, 674-251 provides an OE-style repair path for the specified application.

This part cross-references 101120 and 1714116200 for the same application.

What It Helps Fix

• Exhaust leaks at the manifold-to-cylinder head sealing surface
• Cracks or warping in the original manifold
• Noise from leaking exhaust gases near the engine
• Loss of exhaust sealing at the downpipe connection
• Failed emissions-related exhaust sealing on non-California Celica applications

Installation Notes and Tips

Fits 1990-1993 Toyota Celica, N/A, wo/California Emissions. Verify the engine-side and downpipe flange condition before installation, and inspect the mating surfaces for carbon buildup, corrosion, or damage. Use the included gasket and hardware during assembly, and follow the vehicle service manual for torque sequence and final tightening specifications. Confirm the port shape and manifold layout match the original part before beginning the repair.

Quality Assurance

Dorman manufactures this manifold to match original fit and function for the listed Toyota Celica applications. The cast iron construction and OE-style design support a repair that follows the factory configuration for the specified vehicles.