Exhaust Manifold Dorman Machined Steel Replacement

Description

Product Overview

The Dorman exhaust manifold (Part No. 674-685) is a precision‑engineered, machined‑steel component designed to replace the factory manifold on specified vehicles. Weighing 13.67 lb and measuring 19.5 × 8.6 × 5.6 in, it offers a robust construction that resists warping, cracking and leaking. The exterior is machined for a clean finish, and the part matches OEM specifications (OEM 663180; 5045486AA) for a direct bolt‑on fit.

Usage

Ideal for DIY enthusiasts and professional mechanics, this manifold restores optimal exhaust flow after wear or damage. Install it on compatible models using the included gaskets and downpipe hardware for a leak‑free seal. Suitable for daily driving, performance upgrades, and emissions‑compliant repairs.

Why Choose Us

Dorman is a trusted leader in aftermarket exhaust solutions, offering rigorous quality testing and a reputation for reliability. Each manifold undergoes dimensional verification to ensure exact fit, reducing installation time and the risk of future failures. Our parts come with a comprehensive hardware kit, eliminating the need to source additional components.

Key Features

• Precision‑engineered machined steel for superior strength and durability
• Vehicle‑specific fit matching OEM dimensions and bolt patterns
• Includes all required gaskets and downpipe hardware for a complete repair
• Resistant to warping, cracking and exhaust leaks for long‑term performance
• Backed by Dorman’s industry‑leading quality assurance and warranty

FAQ

Will this manifold fit my vehicle?

It is designed for specific models listed under the part number 674-685. Use the garage tool on our website to enter your make, model and trim to confirm compatibility.

Do I need additional parts for installation?

No. The package includes all necessary gaskets and downpipe hardware, providing a complete, bolt‑on solution.

What material is the manifold made from?

The manifold is constructed from high‑grade machined steel, offering excellent heat resistance and structural integrity.

How does this compare to the OEM part?

It matches the OEM specifications (part numbers 663180 and 5045486AA) in dimensions and performance, while providing the durability of aftermarket engineering.

Is there a warranty?

Yes, Dorman offers a limited warranty covering defects in material and workmanship for this exhaust manifold.