
Dorman 674-430 Exhaust Manifold - Left
Dorman 674-430 Exhaust Manifold for Ford Left Side
The Dorman 674-430 exhaust manifold is a standard replacement for the left side of select Ford trucks and SUVs. Built from cast iron with a metallic gray finish, it is engineered to match the fit and function of the original manifold on specified vehicles, including Ford F-150 and Ford Expedition applications.
Key Features
- Cast iron construction for durable exhaust service
- Round port design with a 2.4 collector port diameter
- Standard replacement grade for OE-style fit and function
- Includes gasket for a complete repair
- No oxygen sensor port and no heat shield included
- Seven mounting holes for the specified application
Detailed Description
Dorman 674-430 is an exhaust manifold designed for the left side of 2017-2020 Ford F-150 and 2018-2020 Ford Expedition applications. The cast iron body and 0.125 tube wall thickness support long-term exhaust sealing, while the round port layout helps maintain the original exhaust routing. This part cross-references Ford JL3Z9431C for the same application. If you are replacing a cracked or leaking Ford F-150 exhaust manifold or servicing a left-side Ford Expedition exhaust manifold, Dorman 674-430 provides the correct fitment profile for the listed vehicles.
Common Repair Applications
- Exhaust manifold cracks that create ticking or exhaust noise
- Exhaust leaks at the cylinder head or collector area
- Failed manifold gasket sealing surfaces
- Broken or warped original manifold housing
- Restoring proper exhaust flow on the left side of the engine
Installation Notes and Tips
Fits 2018-2020 Ford Expedition, left. Fits 2018-2020 Ford F-150, left. Fits 2017 Ford F-150, left, from 10/10/16. Verify engine-side mounting points, port alignment, and vehicle build date before installation. The gasket is included; mounting hardware is not listed as included, so reuse or source the required fasteners as needed for the repair.
Quality Assurance
Dorman manufactures this manifold as a precision-engineered replacement to match original fit and function on the specified Ford applications. Part number 674-430 is built to standard replacement specifications for direct-fit exhaust repair.
Dorman 674-430 Exhaust Manifold - Left
Dorman 674-430 Exhaust Manifold for Ford Left Side
The Dorman 674-430 exhaust manifold is a standard replacement for the left side of select Ford trucks and SUVs. Built from cast iron with a metallic gray finish, it is engineered to match the fit and function of the original manifold on specified vehicles, including Ford F-150 and Ford Expedition applications.
Key Features
- Cast iron construction for durable exhaust service
- Round port design with a 2.4 collector port diameter
- Standard replacement grade for OE-style fit and function
- Includes gasket for a complete repair
- No oxygen sensor port and no heat shield included
- Seven mounting holes for the specified application
Detailed Description
Dorman 674-430 is an exhaust manifold designed for the left side of 2017-2020 Ford F-150 and 2018-2020 Ford Expedition applications. The cast iron body and 0.125 tube wall thickness support long-term exhaust sealing, while the round port layout helps maintain the original exhaust routing. This part cross-references Ford JL3Z9431C for the same application. If you are replacing a cracked or leaking Ford F-150 exhaust manifold or servicing a left-side Ford Expedition exhaust manifold, Dorman 674-430 provides the correct fitment profile for the listed vehicles.
Common Repair Applications
- Exhaust manifold cracks that create ticking or exhaust noise
- Exhaust leaks at the cylinder head or collector area
- Failed manifold gasket sealing surfaces
- Broken or warped original manifold housing
- Restoring proper exhaust flow on the left side of the engine
Installation Notes and Tips
Fits 2018-2020 Ford Expedition, left. Fits 2018-2020 Ford F-150, left. Fits 2017 Ford F-150, left, from 10/10/16. Verify engine-side mounting points, port alignment, and vehicle build date before installation. The gasket is included; mounting hardware is not listed as included, so reuse or source the required fasteners as needed for the repair.
Quality Assurance
Dorman manufactures this manifold as a precision-engineered replacement to match original fit and function on the specified Ford applications. Part number 674-430 is built to standard replacement specifications for direct-fit exhaust repair.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 674-430 Exhaust Manifold for Ford Left Side
The Dorman 674-430 exhaust manifold is a standard replacement for the left side of select Ford trucks and SUVs. Built from cast iron with a metallic gray finish, it is engineered to match the fit and function of the original manifold on specified vehicles, including Ford F-150 and Ford Expedition applications.
Key Features
- Cast iron construction for durable exhaust service
- Round port design with a 2.4 collector port diameter
- Standard replacement grade for OE-style fit and function
- Includes gasket for a complete repair
- No oxygen sensor port and no heat shield included
- Seven mounting holes for the specified application
Detailed Description
Dorman 674-430 is an exhaust manifold designed for the left side of 2017-2020 Ford F-150 and 2018-2020 Ford Expedition applications. The cast iron body and 0.125 tube wall thickness support long-term exhaust sealing, while the round port layout helps maintain the original exhaust routing. This part cross-references Ford JL3Z9431C for the same application. If you are replacing a cracked or leaking Ford F-150 exhaust manifold or servicing a left-side Ford Expedition exhaust manifold, Dorman 674-430 provides the correct fitment profile for the listed vehicles.
Common Repair Applications
- Exhaust manifold cracks that create ticking or exhaust noise
- Exhaust leaks at the cylinder head or collector area
- Failed manifold gasket sealing surfaces
- Broken or warped original manifold housing
- Restoring proper exhaust flow on the left side of the engine
Installation Notes and Tips
Fits 2018-2020 Ford Expedition, left. Fits 2018-2020 Ford F-150, left. Fits 2017 Ford F-150, left, from 10/10/16. Verify engine-side mounting points, port alignment, and vehicle build date before installation. The gasket is included; mounting hardware is not listed as included, so reuse or source the required fasteners as needed for the repair.
Quality Assurance
Dorman manufactures this manifold as a precision-engineered replacement to match original fit and function on the specified Ford applications. Part number 674-430 is built to standard replacement specifications for direct-fit exhaust repair.











