Dorman 674-512 Exhaust Manifold

Brand Dorman 674-512
Color Natural
Gasket Or Seal Included Yes
Grade Type Regular
Heat Shield Included Yes
Material Cast Iron
Mounting Hardware Included Yes
Package Contents Exhaust Manifold; 1 Manifold Gasket and 2 Flange Gaskets; 3 Studs; 3 Nuts
Port Shape Oval
Fits Honda · 12 vehicles

OE-style replacement. Precision-engineered for fit and function like the original manifold.

Cast iron construction. Durably manufactured for dependable exhaust service.

Complete repair kit. Includes gaskets, studs, nuts, and downpipe hardware.

Cross-references ATP 101121 and 18100P08000 for the same application. See all 2.

$207.87Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $207.87
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Exhaust Manifold for Honda Civic and Civic del Sol

This Dorman exhaust manifold is engineered to match the fit and function of the original part on specified vehicles. Built from cast iron with an oval port shape, it includes the gaskets, heat shield, and downpipe hardware needed for a complete exhaust manifold repair.

  • Direct-fit exhaust manifold for specified Honda applications
  • Cast iron construction with natural finish
  • Oval port shape for OE-style exhaust routing
  • Includes gasket/seal, heat shield, and mounting hardware
  • Package contents support a complete manifold replacement
  • Part number 674-512 for easy identification

Detailed Product Overview

Dorman 674-512 is a regular-grade exhaust manifold designed for 1992-1998 Honda Civic and 1993-1997 Honda Civic del Sol models. It is built to restore the original exhaust path at the cylinder head and is shaped to match the factory manifold layout on these vehicles. The cast iron body helps provide the durability expected in a high-heat exhaust location, while the included gaskets and flange hardware support a proper seal during repair. This part cross-references ATP 101121 for the same application.

Common Repair Symptoms

  • Exhaust leak noise near the engine
  • Cracked or warped original manifold
  • Failed manifold gasket or flange seal
  • Check engine light related to exhaust leakage
  • Visible soot around the manifold or flange area

Installation Notes

Verify vehicle year and model before installation. Clean the cylinder head and exhaust flange mating surfaces thoroughly before fitting the new manifold and gaskets. Inspect studs and nuts for thread condition and torque fasteners evenly to help maintain a secure seal. Confirm clearance around the heat shield and downpipe connection after installation. Fits 1992-1998 Honda Civic, N/A. Fits 1993-1997 Honda Civic del Sol, N/A.

Quality Assurance

This Dorman manifold is precision-engineered and durably manufactured to match original fit and function on the listed Honda applications. Part number 674-512 is built for direct replacement use on the specified vehicles.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
1998HondaCivicEXN/A
1997HondaCivicEXN/A
1997HondaCivic del SolSiN/A
1996HondaCivicEXN/A
1996HondaCivic del SolSiN/A
1995HondaCivic1.6LL4N/A
1995HondaCivic del Sol1.6LL4N/A
1994HondaCivic1.6LL4N/A
1994HondaCivic del Sol1.6LL4N/A
1993HondaCivic1.6LL4N/A
1993HondaCivic del Sol1.6LL4N/A
1992HondaCivic1.6LL4N/A
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ATP — 10112118100P08000