OE Quality
60-Day Returns

Eastern Convertors 41378 Catalytic Converter - Front
Direct-Fit Catalytic Converter for Subaru
Eastern Convertors 41378 is a Federal / EPA direct-fit manifold catalytic converter built for front-position applications. It is boxed and supplied with one inlet gasket and one outlet gasket for the listed vehicles, making it a practical replacement for emissions-related exhaust service on select Subaru WRX and Forester models.
Key Features
- Federal / EPA direct-fit manifold catalytic converter
- Natural finish
- 1 inlet and 1 outlet
- Includes 1 inlet gasket and 1 outlet gasket
- Boxed for parts-room handling and storage
- Eastern Convertors Direct Fit Converter line
Product Details
The Eastern Convertors Direct Fit Converter line focuses on application-specific exhaust replacement parts that match the original mounting style for easier service. Part number 41378 is a front catalytic converter for 2015-2021 Subaru WRX and 2014-2018 Subaru Forester models with Federal and California emissions configurations. If you are searching for a Subaru WRX front catalytic converter or a Subaru Forester front direct-fit converter, 41378 provides the correct fitment for those listed applications.
This part cross-references no listed interchange numbers in the provided data. Eastern Convertors 41378 is also a relevant search match for buyers looking for a front catalytic converter for Subaru WRX 2015-2021 and Subaru Forester 2014-2018.
What It Helps Address
- Failed or restricted front catalytic converter
- Exhaust flow issues caused by a damaged substrate
- Check engine light concerns related to catalyst efficiency
- Exhaust leaks at the converter connection points
- Emissions inspection failures tied to the front converter
Installation Notes
Verify the vehicle’s emissions configuration and front-position fitment before installation. Confirm gasket surfaces are clean and inspect adjoining exhaust components for wear or damage. This converter is listed as a direct-fit manifold style unit for the specified Subaru applications.
Quality Assurance
Eastern Convertors 41378 is a Federal / EPA direct-fit converter built for the listed Subaru applications and packaged with the specified gaskets. Use the confirmed fitment data to match the correct front converter for your vehicle.
| Brand | Eastern Convertors |
|---|---|
| Part Number | 41378 |
| Position | Direct Fit Converter, Front |
| Converter Type | Federal / epa direct-fit manifold |
| Finish | Natural |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Boxed | Yes |
| Inlet Gasket Quantity | 1 |
| Outlet Gasket Quantity | 1 |
| Package Material | Cardboard |
| Package Type | Box |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2021 | Subaru | WRX | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2020 | Subaru | WRX | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2019 | Subaru | WRX | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2018 | Subaru | Forester | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2018 | Subaru | WRX | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2017 | Subaru | Forester | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2017 | Subaru | WRX | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2016 | Subaru | Forester | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2016 | Subaru | WRX | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2015 | Subaru | Forester | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2015 | Subaru | WRX | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2014 | Subaru | Forester | 2.0L | H4 | Front | Federal and California Emissions; Direct Fit Converter |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.