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AP Exhaust 644259 Catalytic Converter - Front
| Brand | AP Exhaust 644259 |
|---|---|
| Position | Front |
| Converter Type | Federal / epa direct-fit pre-cat |
| Finish | Natural |
| Inlet Type | Welded flange |
| Inlet Quantity | 1 |
| Outlet Quantity | 1 |
| California Air Resources Board (CARB) Certified | No |
| Overall Length | 21.000 |
| Sensor Port Count | 2 |
| Boxed | Yes |
| Inlet Gasket Quantity | 1 |
| Outlet Gasket Quantity | 1 |
| Outlet Hardware | 2 bolts |
| Package Material | Cardboard |
| Package Type | Box |
| Product line | Direct Fit Converter |
| Fits | Ford · 4 vehicles |
Direct-fit design. Matches the original exhaust layout for application-specific replacement service.
Two sensor ports. Supports the factory emissions sensor setup on the converter assembly.
Welded flange inlet. Provides a factory-style connection point for the exhaust system.
Cross-references Davico Mfg 19656, 21-818 and 21-819 for the same application. See all 7.
Overview
AP Exhaust 644259 is a direct-fit catalytic converter for the front exhaust position on select Ford Explorer applications. It is built as a Federal / EPA direct-fit pre-cat with a welded flange inlet and two sensor ports for a factory-style replacement path.
Fits 2016-2019 Ford Explorer, front. AP Exhaust 644259 is a practical choice when you need a direct-fit converter that matches the original exhaust layout and sensor port count.
Key Features
- Federal / EPA direct-fit pre-cat construction
- Welded flange inlet for factory-style connection
- Two sensor ports for emissions system integration
- Natural finish
- Boxed for storage and handling
Detailed Description
The AP Exhaust Direct Fit Converter line focuses on replacement converters that follow the original exhaust configuration closely. Part number 644259 is a catalytic converter with one inlet, one outlet, and a 21-inch overall length, making it a fitment-specific solution for the front position on the Ford Explorer. The welded flange inlet and direct-fit layout help maintain the intended exhaust routing and sensor placement. This part cross-references Davico Mfg 19656 for the same application.
Compatible With 2016-2019 Ford Explorer, front, this converter is also listed with Federal and California emissions coverage in the fitment data. AP Exhaust 644259 is built for buyers who need a replacement catalytic converter that follows the vehicle’s original mounting and emissions configuration.
What It Helps Solve
- Failed catalytic converter replacement needs
- Emissions-related exhaust restriction issues
- Check engine light concerns tied to converter efficiency
- Factory exhaust fitment restoration after converter damage
Installation Notes
Verify the front-position fitment and emissions configuration before installation. This converter uses a welded flange inlet and includes two sensor ports, so the existing exhaust and sensor layout should be matched to the vehicle specification. Confirm gasket and outlet hardware requirements against the application before beginning work.
Quality Assurance
AP Exhaust 644259 is a direct-fit replacement converter from the Direct Fit Converter product line, built for application-specific exhaust service on the Ford Explorer.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Ford | Explorer | 2.3L | L4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2018 | Ford | Explorer | 2.3L | L4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2017 | Ford | Explorer | 2.3L | L4 | Front | Federal and California Emissions; Direct Fit Converter |
| 2016 | Ford | Explorer | 2.3L | L4 | Front | Federal and California Emissions; Direct Fit Converter |
| No rows match your filter. | ||||||