Dorman 674-545 Exhaust Manifold

Exhaust Manifold for Honda Civic and CRX

This Dorman exhaust manifold is precision-engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with a natural finish, it includes the gasket, flange, studs, nuts, and heat shield needed for a complete exhaust manifold repair on select Honda applications.

• Cast iron construction for durable exhaust service
• Natural finish with oval port shape
• Includes gasket or seal and heat shield
• Mounting hardware included for the listed repair components
• Direct replacement for select Honda Civic, Civic del Sol, and CRX applications
• Part number 674-545 for easy identification

Detailed Product Overview

Dorman 674-545 is an exhaust manifold replacement for 1988-1995 Honda Civic, 1993-1995 Honda Civic del Sol, and 1988-1991 Honda CRX applications. It is engineered to match original fit and function, helping restore proper exhaust routing at the engine side while maintaining the correct mounting and port configuration. This part cross-references OE numbers 18100PM6307 and 101276 for the same application.

Common Repair Uses

• Cracked or warped exhaust manifold replacement
• Exhaust leaks at the manifold or flange area
• Broken or corroded manifold mounting points
• Heat shield damage or missing manifold shielding
• Restoring proper exhaust sealing on Honda Civic and CRX models

Installation Notes

Verify vehicle year, model, and engine application before installation. Inspect the cylinder head sealing surface, downpipe connection, and fasteners for wear or corrosion before assembly. Use the included gasket and flange hardware during installation, and follow factory torque specifications to help ensure a proper seal. Confirm clearance around the heat shield and adjacent engine components after installation.

Quality Assurance

This Dorman exhaust manifold is manufactured to match original fit and function on the listed vehicles. The cast iron construction, included sealing components, and application-specific hardware support a complete exhaust repair for compatible Honda Civic, Civic del Sol, and CRX models.