Dorman 679-552 Catalytic Converter
OE-Style Catalytic Converter Replacement
Dorman 679-552 is a specific-fit catalytic converter built for select Honda and Acura applications. It is engineered to match original equipment fit and function, with a stainless steel body, ceramic substrate, flanged inlet and outlet connections, and an attached heat shield for a direct replacement on the listed vehicles.
Fits 2018-2022 Honda Accord and 2019-2021 Acura RDX, with fitment matched to the confirmed applications below. If you are searching for a catalytic converter for Honda Accord or Acura RDX service, Dorman 679-552 provides a vehicle-specific replacement path.
Key Features
- Specific-fit catalytic converter for select Honda Accord and Acura RDX applications
- Stainless steel body with ceramic substrate
- Flanged inlet and outlet design for OE-style connection points
- Attached heat shield for factory-style packaging
- Includes inlet gasket, outlet gasket, and installation hardware
- Standard replacement grade for direct-fit exhaust service
- One sensor port
Detailed Description
Dorman 679-552 is a direct replacement catalytic converter designed around the original equipment layout on the listed vehicles. The cylinder-style body measures 20 inches overall, with a 4-inch inlet inside diameter and a 2-inch outlet inside diameter, supporting a factory-style exhaust connection. The stainless steel construction helps provide durable exhaust service, while the ceramic substrate supports emissions system operation in the intended application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Use this part number when sourcing a catalytic converter for 2018-2022 Honda Accord or 2019-2021 Acura RDX service. Dorman 679-552 is built for specific-fit replacement, not universal installation, and is intended to match the original mounting layout on the confirmed vehicles.
Common Problems It May Address
- Failed catalytic converter causing emissions-related trouble codes
- Restricted exhaust flow from a damaged or deteriorated converter
- Exhaust leaks at flanged inlet or outlet connections
- Broken or missing factory converter heat shielding
- Fitment issues from using a non-specific replacement part
Installation Notes and Tips
Verify the vehicle year, make, and model before ordering. Confirm the exhaust flange pattern, sensor port location, and overall converter layout against the original unit on the vehicle. The included gaskets and mounting hardware support installation, but the exhaust system should be inspected for corrosion, damaged studs, or warped flanges before assembly. For best results, compare the old converter to Dorman 679-552 before final tightening.
Quality Assurance
This catalytic converter is built as a standard replacement part with OE-style fit and function for the listed applications. Dorman’s product design focuses on matching the original equipment configuration for reliable exhaust service on specific vehicle years, makes, and models.
Dorman 679-552 Catalytic Converter
OE-Style Catalytic Converter Replacement
Dorman 679-552 is a specific-fit catalytic converter built for select Honda and Acura applications. It is engineered to match original equipment fit and function, with a stainless steel body, ceramic substrate, flanged inlet and outlet connections, and an attached heat shield for a direct replacement on the listed vehicles.
Fits 2018-2022 Honda Accord and 2019-2021 Acura RDX, with fitment matched to the confirmed applications below. If you are searching for a catalytic converter for Honda Accord or Acura RDX service, Dorman 679-552 provides a vehicle-specific replacement path.
Key Features
- Specific-fit catalytic converter for select Honda Accord and Acura RDX applications
- Stainless steel body with ceramic substrate
- Flanged inlet and outlet design for OE-style connection points
- Attached heat shield for factory-style packaging
- Includes inlet gasket, outlet gasket, and installation hardware
- Standard replacement grade for direct-fit exhaust service
- One sensor port
Detailed Description
Dorman 679-552 is a direct replacement catalytic converter designed around the original equipment layout on the listed vehicles. The cylinder-style body measures 20 inches overall, with a 4-inch inlet inside diameter and a 2-inch outlet inside diameter, supporting a factory-style exhaust connection. The stainless steel construction helps provide durable exhaust service, while the ceramic substrate supports emissions system operation in the intended application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Use this part number when sourcing a catalytic converter for 2018-2022 Honda Accord or 2019-2021 Acura RDX service. Dorman 679-552 is built for specific-fit replacement, not universal installation, and is intended to match the original mounting layout on the confirmed vehicles.
Common Problems It May Address
- Failed catalytic converter causing emissions-related trouble codes
- Restricted exhaust flow from a damaged or deteriorated converter
- Exhaust leaks at flanged inlet or outlet connections
- Broken or missing factory converter heat shielding
- Fitment issues from using a non-specific replacement part
Installation Notes and Tips
Verify the vehicle year, make, and model before ordering. Confirm the exhaust flange pattern, sensor port location, and overall converter layout against the original unit on the vehicle. The included gaskets and mounting hardware support installation, but the exhaust system should be inspected for corrosion, damaged studs, or warped flanges before assembly. For best results, compare the old converter to Dorman 679-552 before final tightening.
Quality Assurance
This catalytic converter is built as a standard replacement part with OE-style fit and function for the listed applications. Dorman’s product design focuses on matching the original equipment configuration for reliable exhaust service on specific vehicle years, makes, and models.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
OE-Style Catalytic Converter Replacement
Dorman 679-552 is a specific-fit catalytic converter built for select Honda and Acura applications. It is engineered to match original equipment fit and function, with a stainless steel body, ceramic substrate, flanged inlet and outlet connections, and an attached heat shield for a direct replacement on the listed vehicles.
Fits 2018-2022 Honda Accord and 2019-2021 Acura RDX, with fitment matched to the confirmed applications below. If you are searching for a catalytic converter for Honda Accord or Acura RDX service, Dorman 679-552 provides a vehicle-specific replacement path.
Key Features
- Specific-fit catalytic converter for select Honda Accord and Acura RDX applications
- Stainless steel body with ceramic substrate
- Flanged inlet and outlet design for OE-style connection points
- Attached heat shield for factory-style packaging
- Includes inlet gasket, outlet gasket, and installation hardware
- Standard replacement grade for direct-fit exhaust service
- One sensor port
Detailed Description
Dorman 679-552 is a direct replacement catalytic converter designed around the original equipment layout on the listed vehicles. The cylinder-style body measures 20 inches overall, with a 4-inch inlet inside diameter and a 2-inch outlet inside diameter, supporting a factory-style exhaust connection. The stainless steel construction helps provide durable exhaust service, while the ceramic substrate supports emissions system operation in the intended application. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.
Use this part number when sourcing a catalytic converter for 2018-2022 Honda Accord or 2019-2021 Acura RDX service. Dorman 679-552 is built for specific-fit replacement, not universal installation, and is intended to match the original mounting layout on the confirmed vehicles.
Common Problems It May Address
- Failed catalytic converter causing emissions-related trouble codes
- Restricted exhaust flow from a damaged or deteriorated converter
- Exhaust leaks at flanged inlet or outlet connections
- Broken or missing factory converter heat shielding
- Fitment issues from using a non-specific replacement part
Installation Notes and Tips
Verify the vehicle year, make, and model before ordering. Confirm the exhaust flange pattern, sensor port location, and overall converter layout against the original unit on the vehicle. The included gaskets and mounting hardware support installation, but the exhaust system should be inspected for corrosion, damaged studs, or warped flanges before assembly. For best results, compare the old converter to Dorman 679-552 before final tightening.
Quality Assurance
This catalytic converter is built as a standard replacement part with OE-style fit and function for the listed applications. Dorman’s product design focuses on matching the original equipment configuration for reliable exhaust service on specific vehicle years, makes, and models.
