Dorman 674-115 Exhaust Manifold - Left

Brand Dorman 674-115
Position Left
Material Cast iron
Color Natural
Port Shape Round
Oxygen Sensor Port No
Tube Wall Thickness 5
Mounting Hardware Included Yes
Grade Type Regular
Gasket Or Seal Included Yes
Heat Shield Included No
Package Contents 1 exhaust manifold; 1 inlet gasket; 2 studs; 2 nuts
Fits Ford and Lincoln · 8 vehicles

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

Cast iron construction. Durably manufactured for dependable exhaust service.

Complete repair kit. Includes the necessary gaskets and downpipe hardware.

Cross-references BL3Z9431A for the same application. See all 1.

$89.94Free shipping
In stock · usually ships same day before 1pm CST
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Order total $89.94
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 674-115 Left Exhaust Manifold

This Dorman exhaust manifold is built for direct replacement on select Ford and Lincoln trucks, including the 2011-2014 Ford F-150 left side and 2011-2014 Lincoln Mark LT left side. It is precision-engineered to match original fit and function, with cast iron construction and the gaskets and downpipe hardware needed for a complete repair.

  • Direct replacement exhaust manifold for the left side
  • Cast iron construction for durability in high-heat exhaust service
  • Round port shape for OE-style exhaust connection
  • Includes inlet gasket, studs, nuts, and seal components
  • No oxygen sensor port and no heat shield included
  • Part number 674-115 for easy identification

Fitment Details

Fits 2011-2014 Ford F-150, left. Fits 2011-2014 Lincoln Mark LT, left. This part cross-references Ford BL3Z9431A for the same application.

Product Overview

Dorman 674-115 is an exhaust manifold replacement for the left side of select Ford F-150 and Lincoln Mark LT models. The cast iron body is designed to match the original manifold’s fit and function, while the included gasket and downpipe hardware support a complete exhaust repair. The round port design and OE-style layout make this a practical choice when replacing a cracked, warped, or leaking manifold on 2011-2014 Ford F-150 and 2011-2014 Lincoln Mark LT applications.

Common Repair Issues

  • Exhaust leak at the manifold flange or gasket surface
  • Cracked or warped manifold from heat cycling
  • Broken mounting studs or damaged fasteners
  • Ticking or hissing exhaust noise from the left side
  • Loss of exhaust sealing after manifold removal

Installation Notes

Verify left-side application before installation and compare the original manifold, port layout, and mounting points to the new part. Clean the cylinder head sealing surface thoroughly, replace damaged fasteners as needed, and follow the vehicle service procedure for torque sequence and heat-cycle recheck. Part number 674-115 is intended for direct-fit repair on the listed vehicles.

Quality Assurance

Dorman manufactures this manifold to match original equipment fit and function on specified vehicles. The design uses durable cast iron construction and includes the sealing and mounting components needed for a complete exhaust manifold replacement.

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2014FordF-1505.0LV8Left
2014LincolnMark LT5.0LV8Left
2013FordF-1505.0LV8Left
2013LincolnMark LT5.0LV8Left
2012FordF-1505.0LV8Left
2012LincolnMark LT5.0LV8Left
2011FordF-1505.0LV8Left
2011LincolnMark LT5.0LV8Left
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
BL3Z9431A