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AP Exhaust 641478 Catalytic Converter with Integrated Exhaust Manifold - Front Left or Left
Overview of AP Exhaust Direct Fit Converter w/ Manifold
The AP Exhaust Direct Fit Converter w/ Manifold (Part Number 641478) is engineered for precise compatibility with select Ford and Lincoln models. Designed to meet Federal and EPA standards, this catalytic converter with integrated exhaust manifold offers a reliable solution for emissions control and exhaust flow.
- Constructed from durable stainless steel body material
- Includes inlet and outlet gaskets for secure sealing
- Equipped with two O2 sensor ports for accurate emissions monitoring
- Features an 8-bolt welded flange inlet and 2-bolt welded flange outlet
- Overall length of 15 inches for direct fit installation
- Ceramic substrate material for effective catalytic conversion
- Compatible with Ford and Lincoln vehicles including Continental, Edge, Explorer, Flex, MKS, MKT, MKX, MKZ, and Taurus
Product Line Details: Direct Fit Converter w/ Manifold
The Direct Fit Converter w/ Manifold product line by AP Exhaust integrates the catalytic converter and exhaust manifold into a single unit. This design simplifies installation by eliminating the need for separate manifold and converter components. The part number 641478 belongs to this line, ensuring a direct replacement that meets Federal and EPA emissions requirements while maintaining factory fitment and function.
Technical Description and Features
This catalytic converter with integrated exhaust manifold is constructed from stainless steel, providing resistance to corrosion and heat. The ceramic substrate inside the converter facilitates efficient catalytic reactions to reduce harmful emissions. The unit includes inlet and outlet gaskets to ensure a tight seal and prevent exhaust leaks. It features an 8-bolt welded flange on the inlet side and a 2-bolt welded flange on the outlet side, designed for secure attachment to the vehicle’s exhaust system. Two O2 sensor ports allow for proper sensor installation, maintaining accurate engine management and emissions control. With an overall length of 15 inches, this part is engineered for direct fitment on compatible Ford and Lincoln models.
Compatible Vehicles and Common Applications
- Replacement for faulty or damaged catalytic converters on Ford Edge, Explorer, Flex, Taurus
- Suitable for Lincoln Continental, MKS, MKT, MKX, MKZ models requiring direct-fit exhaust manifold converters
- Addresses issues related to failed emissions tests due to converter inefficiency
- Resolves exhaust leaks caused by manifold or converter cracks
- Restores proper O2 sensor readings and engine performance affected by converter degradation
Installation Notes and Tips
Installation of the AP Exhaust 641478 catalytic converter with integrated manifold requires removal of the existing manifold and converter assembly. Ensure all gasket surfaces are clean and free of debris before installation. The included inlet and outlet gaskets should be used to prevent exhaust leaks. Proper torque specifications should be followed for the 8-bolt inlet flange and 2-bolt outlet flange to maintain a secure fit. The two O2 sensor ports must be properly connected to maintain engine management system accuracy. Professional installation is recommended to ensure compliance with emissions regulations.
Quality Assurance and Warranty
AP Exhaust manufactures this catalytic converter with integrated manifold to meet Federal and EPA emissions standards. The stainless steel construction and ceramic substrate are designed for durability and long service life. While specific warranty details are not provided here, AP Exhaust products typically come with manufacturer-backed warranties covering defects in materials and workmanship. Verify warranty terms with the supplier or manufacturer at the time of purchase.
| Brand | AP Exhaust |
| Part Number | 641478 |
| Position | Direct Fit Converter w/ Manifold, Front Left and Left |
| Body Material | Stainless steel |
| Inlet Gasket | Yes |
| Inlet Hardware | None |
| Inlet Type A | 8 bolt welded flange |
| O2 Sensor Ports | 2 |
| Outlet Gasket | Yes |
| Outlet Hardware | Yes |
| Outlet Type A | 2 bolt welded flange |
| Overall Length (IN) | 15 |
| Substrate Material | Ceramic |
| Type | Federal / epa direct-fit manifold |
This part fits 56 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Lincoln | Continental | 3.7L | V6 | Front Left | Radiator Side; Direct Fit Converter w/ Manifold |
| 2019 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2019 | Ford | Flex | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2019 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2019 | Lincoln | Continental | 3.7L | V6 | Front Left | Radiator Side; Direct Fit Converter w/ Manifold |
| 2018 | Ford | Edge | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2018 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2018 | Ford | Flex | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2018 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2018 | Lincoln | Continental | 3.7L | V6 | Front Left | Radiator Side; Direct Fit Converter w/ Manifold |
| 2018 | Lincoln | MKT | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2018 | Lincoln | MKX | 3.7L | V6 | Front Left | Radiator Side; Direct Fit Converter w/ Manifold |
| 2017 | Ford | Edge | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2017 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2017 | Ford | Flex | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2017 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2017 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2017 | Lincoln | Continental | 3.7L | V6 | Front Left | Radiator Side; Direct Fit Converter w/ Manifold |
| 2017 | Lincoln | MKT | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2017 | Lincoln | MKX | 3.7L | V6 | Front Left | Radiator Side; Direct Fit Converter w/ Manifold |
| 2016 | Ford | Edge | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2016 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2016 | Ford | Flex | 3.5L | V6 | Left | Direct Fit |
| 2016 | Ford | Flex | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2016 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2016 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2016 | Lincoln | MKS | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2016 | Lincoln | MKT | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2016 | Lincoln | MKX | 3.7L | V6 | Front Left | Radiator Side; Direct Fit Converter w/ Manifold |
| 2016 | Lincoln | MKZ | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Ford | Edge | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; (13-17); Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Ford | Flex | 3.5L | V6 | Left | Direct Fit |
| 2015 | Ford | Flex | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Lincoln | MKS | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Lincoln | MKT | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2015 | Lincoln | MKZ | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2014 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2014 | Ford | Flex | 3.5L | V6 | Left | Direct Fit |
| 2014 | Ford | Flex | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2014 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2014 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2014 | Lincoln | MKS | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2014 | Lincoln | MKT | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2014 | Lincoln | MKZ | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2013 | Ford | Explorer | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2013 | Ford | Flex | 3.5L | V6 | Left | Direct Fit |
| 2013 | Ford | Flex | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2013 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2013 | Ford | Taurus | 3.5L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2013 | Lincoln | MKS | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2013 | Lincoln | MKT | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
| 2013 | Lincoln | MKZ | 3.7L | V6 | Front Left | Direct Fit; Manifold Unit, Radiator Side; Federal and California Emissions. Not For Sale or Use on vehicles licensed in the state of CA, CO, ME & NY. Restrictions may apply in other states. Check with your state authority for details. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.