Dorman 674-695XD Exhaust Manifold - Left

Dorman 674-695XD Exhaust Manifold for Ford and Lincoln

Dorman 674-695XD is a left exhaust manifold built for select Ford Expedition, Ford F-150, Lincoln Navigator, and Lincoln Mark LT applications. It uses cast iron construction with a specialized ceramic coating to help manage heat more evenly, support smoother exhaust gas flow, and reduce the risk of thermal cracking.

Key Features

• Cast iron exhaust manifold with metallic gray finish
• Ceramic-coated surface for improved heat distribution
• Round port shape with 1.5 in. collector port diameter
• Standard replacement grade for direct-fit service
• Heat shield included
• Gasket or seal included
• Mounting hardware included
• No oxygen sensor port
• 8 mounting holes

Detailed Description

This Dorman exhaust manifold, part number 674-695XD, is engineered for the left side and matches the needs of select 2004-2014 Ford and Lincoln trucks and SUVs. The ceramic coating helps the manifold handle exhaust heat more evenly, which supports durability and steadier exhaust flow in demanding engine bay conditions. It is a standard replacement exhaust manifold for Ford F-150, Ford Expedition, Lincoln Navigator, and Lincoln Mark LT models listed in the fitment data.

This part cross-references Ford OE number 3L3Z9431CA for the same application.

What It Helps Address

• Cracked or warped exhaust manifold surfaces
• Exhaust leaks at the manifold-to-cylinder-head connection
• Excessive heat concentration around the manifold area
• Noisy exhaust ticking from a failing left manifold
• Restricted exhaust flow caused by manifold damage

Installation Notes and Tips

Fits 2004-2010 Ford F-150, left. Fits 2005-2014 Ford Expedition, left. Fits 2005-2014 Lincoln Navigator, left. Fits 2006-2008 Lincoln Mark LT, left. Fits 2010 Lincoln Mark LT, left. Verify engine and application details against the vehicle before installation, and inspect the gasket sealing surfaces, fasteners, and adjacent exhaust components for wear or heat damage.

Quality Assurance

Dorman supplies this manifold as a standard replacement part with ceramic coating, cast iron construction, and included sealing and mounting components for the listed applications. The design focuses on heat management and fitment consistency for service replacement on Ford and Lincoln vehicles.