Dorman 674-9057 Diesel Particulate Filter (DPF) Gasket
Dorman 674-9057 DPF Gasket Overview
Dorman 674-9057 is a direct replacement diesel particulate filter gasket for sealing the DPF during exhaust service. Built from durable MBG-D material with a heavy-duty grade, it is made to match the function of the factory gasket and help maintain a tight exhaust seal.
For diesel exhaust repairs on compatible Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford F-450 Super Duty applications, this gasket supports proper DPF sealing when the original part is worn or damaged. The silver, one-piece design is sized with a 302 inside diameter, 321 outside diameter, and 1.4 thickness for a precise service replacement.
Key Features
- Direct replacement DPF gasket for exhaust sealing service
- MBG-D material for durable, heavy-duty use
- One-piece gasket construction
- Silver finish
- 302 inside diameter, 321 outside diameter, 1.4 thickness
- Matches factory gasket function for DPF sealing
- Part number 674-9057 for catalog and service reference
Detailed Description
This Dorman 674-9057 diesel particulate filter gasket is intended for exhaust system repair where the DPF connection needs a reliable seal. It is a direct replacement part that follows the factory gasket’s sealing role, helping restore the joint between the diesel particulate filter and the adjoining exhaust components. The heavy-duty construction is suited for demanding diesel exhaust service, and the dimensional specs support accurate fitment during replacement work. This part cross-references 2471899 and ENV-G-CAT4 for the same application.
When servicing Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford F-450 Super Duty diesel exhaust systems, using the correct gasket helps maintain sealing integrity after DPF removal or replacement. The Dorman 674-9057 is built for technicians and owners who need a straightforward replacement gasket with the right size and material profile.
What It Helps Address
- Exhaust leaks at the diesel particulate filter connection
- Damaged or flattened DPF gasket sealing surfaces
- Loss of exhaust seal after DPF service
- Replacement needs during diesel particulate filter repair
- Fitment-related sealing issues on Ford Super Duty diesel exhaust systems
Installation Notes and Tips
Inspect the mating surfaces before installation and remove carbon buildup, corrosion, or old gasket material. Confirm the gasket dimensions and orientation against the service opening before assembly. For Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford F-450 Super Duty diesel exhaust repairs, verify the DPF connection is clean and properly aligned so the new gasket can seat evenly. Part number 674-9057 should be matched to the vehicle’s exhaust configuration before installation.
Quality Assurance
Dorman manufactures this gasket as a direct replacement part built to replicate the factory sealing function for diesel particulate filter service. The heavy-duty material selection and dimensional consistency support dependable exhaust sealing in diesel applications.
Original: $165.17
-65%$165.17
$57.81Dorman 674-9057 Diesel Particulate Filter (DPF) Gasket
Dorman 674-9057 DPF Gasket Overview
Dorman 674-9057 is a direct replacement diesel particulate filter gasket for sealing the DPF during exhaust service. Built from durable MBG-D material with a heavy-duty grade, it is made to match the function of the factory gasket and help maintain a tight exhaust seal.
For diesel exhaust repairs on compatible Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford F-450 Super Duty applications, this gasket supports proper DPF sealing when the original part is worn or damaged. The silver, one-piece design is sized with a 302 inside diameter, 321 outside diameter, and 1.4 thickness for a precise service replacement.
Key Features
- Direct replacement DPF gasket for exhaust sealing service
- MBG-D material for durable, heavy-duty use
- One-piece gasket construction
- Silver finish
- 302 inside diameter, 321 outside diameter, 1.4 thickness
- Matches factory gasket function for DPF sealing
- Part number 674-9057 for catalog and service reference
Detailed Description
This Dorman 674-9057 diesel particulate filter gasket is intended for exhaust system repair where the DPF connection needs a reliable seal. It is a direct replacement part that follows the factory gasket’s sealing role, helping restore the joint between the diesel particulate filter and the adjoining exhaust components. The heavy-duty construction is suited for demanding diesel exhaust service, and the dimensional specs support accurate fitment during replacement work. This part cross-references 2471899 and ENV-G-CAT4 for the same application.
When servicing Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford F-450 Super Duty diesel exhaust systems, using the correct gasket helps maintain sealing integrity after DPF removal or replacement. The Dorman 674-9057 is built for technicians and owners who need a straightforward replacement gasket with the right size and material profile.
What It Helps Address
- Exhaust leaks at the diesel particulate filter connection
- Damaged or flattened DPF gasket sealing surfaces
- Loss of exhaust seal after DPF service
- Replacement needs during diesel particulate filter repair
- Fitment-related sealing issues on Ford Super Duty diesel exhaust systems
Installation Notes and Tips
Inspect the mating surfaces before installation and remove carbon buildup, corrosion, or old gasket material. Confirm the gasket dimensions and orientation against the service opening before assembly. For Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford F-450 Super Duty diesel exhaust repairs, verify the DPF connection is clean and properly aligned so the new gasket can seat evenly. Part number 674-9057 should be matched to the vehicle’s exhaust configuration before installation.
Quality Assurance
Dorman manufactures this gasket as a direct replacement part built to replicate the factory sealing function for diesel particulate filter service. The heavy-duty material selection and dimensional consistency support dependable exhaust sealing in diesel applications.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Dorman 674-9057 DPF Gasket Overview
Dorman 674-9057 is a direct replacement diesel particulate filter gasket for sealing the DPF during exhaust service. Built from durable MBG-D material with a heavy-duty grade, it is made to match the function of the factory gasket and help maintain a tight exhaust seal.
For diesel exhaust repairs on compatible Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford F-450 Super Duty applications, this gasket supports proper DPF sealing when the original part is worn or damaged. The silver, one-piece design is sized with a 302 inside diameter, 321 outside diameter, and 1.4 thickness for a precise service replacement.
Key Features
- Direct replacement DPF gasket for exhaust sealing service
- MBG-D material for durable, heavy-duty use
- One-piece gasket construction
- Silver finish
- 302 inside diameter, 321 outside diameter, 1.4 thickness
- Matches factory gasket function for DPF sealing
- Part number 674-9057 for catalog and service reference
Detailed Description
This Dorman 674-9057 diesel particulate filter gasket is intended for exhaust system repair where the DPF connection needs a reliable seal. It is a direct replacement part that follows the factory gasket’s sealing role, helping restore the joint between the diesel particulate filter and the adjoining exhaust components. The heavy-duty construction is suited for demanding diesel exhaust service, and the dimensional specs support accurate fitment during replacement work. This part cross-references 2471899 and ENV-G-CAT4 for the same application.
When servicing Ford F-250 Super Duty, Ford F-350 Super Duty, or Ford F-450 Super Duty diesel exhaust systems, using the correct gasket helps maintain sealing integrity after DPF removal or replacement. The Dorman 674-9057 is built for technicians and owners who need a straightforward replacement gasket with the right size and material profile.
What It Helps Address
- Exhaust leaks at the diesel particulate filter connection
- Damaged or flattened DPF gasket sealing surfaces
- Loss of exhaust seal after DPF service
- Replacement needs during diesel particulate filter repair
- Fitment-related sealing issues on Ford Super Duty diesel exhaust systems
Installation Notes and Tips
Inspect the mating surfaces before installation and remove carbon buildup, corrosion, or old gasket material. Confirm the gasket dimensions and orientation against the service opening before assembly. For Ford F-250 Super Duty, Ford F-350 Super Duty, and Ford F-450 Super Duty diesel exhaust repairs, verify the DPF connection is clean and properly aligned so the new gasket can seat evenly. Part number 674-9057 should be matched to the vehicle’s exhaust configuration before installation.
Quality Assurance
Dorman manufactures this gasket as a direct replacement part built to replicate the factory sealing function for diesel particulate filter service. The heavy-duty material selection and dimensional consistency support dependable exhaust sealing in diesel applications.
