Dorman 674-379 Exhaust Manifold - Left
OE Quality 60-Day Returns
Dorman

Dorman 674-379 Exhaust Manifold - Left

Brand Dorman 674-379
Position Left
Color Natural
Gasket Or Seal Included Yes
Grade Type Regular
Heat Shield Included No
Material Cast Iron
Mounting Hardware Included Yes
Package Contents Exhaust Manifold; 1 Manifold Gasket; 2 Bolts
Port Shape Round
Fits Ford · 6 vehicles

OE-style replacement. Precision-engineered to match original fit and function.

Cast iron construction. Durable material built for dependable exhaust performance.

Complete repair kit. Includes necessary gaskets and downpipe hardware.

Cross-references ATP 101234 and F87Z9431AA for the same application. See all 2.

$102.73Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $102.73
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Dorman 674-379 Exhaust Manifold for Ford Applications

Dorman 674-379 is a cast iron exhaust manifold engineered to match the fit and function of the original part on select Ford trucks and SUVs. It is built for the left side and includes the gaskets and downpipe hardware needed for a complete exhaust manifold repair.

Key Features

  • Cast iron construction for durable exhaust service
  • Natural finish with round port shape
  • Direct-fit replacement for the left-side manifold
  • Includes gasket and mounting hardware for the repair
  • Matches original fit and function on specified vehicles
  • Cross-references ATP 101234 and OE number F87Z9431AA

Detailed Description

This Dorman exhaust manifold, part number 674-379, is made for 1998-2000 Ford Explorer and 1998-2000 Ford Ranger left-side applications. It is precision-engineered to align with the original manifold layout, helping restore proper exhaust routing and sealing on the 4.0L-style repair path commonly searched as a Ford Explorer left exhaust manifold or Ford Ranger left exhaust manifold replacement. The cast iron body supports long-term exhaust heat exposure, while the included gasket and downpipe hardware help complete the installation. If you are replacing a cracked or leaking manifold on a 1998-2000 Ford Explorer or Ford Ranger, Dorman 674-379 provides a direct replacement option built around OE-style fitment.

Common Repair Uses

  • Exhaust leak at the manifold-to-cylinder head sealing surface
  • Cracked or warped manifold casting
  • Broken or corroded manifold mounting points
  • Noise from escaping exhaust on the left side
  • Failed sealing at the downpipe connection

Installation Notes and Tips

Fits 1998-2000 Ford Explorer, left. Fits 1998-2000 Ford Ranger, left. Confirm the left-side application before ordering and compare the original manifold, port shape, and mounting points to the replacement part. Clean the sealing surfaces thoroughly during installation to help achieve a proper exhaust seal.

Quality Assurance

Dorman manufactures this manifold to match original fit and function on the listed vehicles. Part number 674-379 is built as a regular-grade replacement exhaust manifold for service use on specified Ford applications.

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2000FordExplorer4.0LV6Left—
2000FordRanger4.0LV6Left—
1999FordExplorer4.0LV6Left—
1999FordRanger4.0LV6Left—
1998FordExplorer4.0LV6Left—
1998FordRanger4.0LV6Left—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
ATP — 101234F87Z9431AA