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AP Exhaust 644131 Catalytic Converter - Rear
Overview of AP Exhaust Direct Fit Converter 644131
The AP Exhaust Direct Fit Converter 644131 is designed specifically for Nissan Sentra models, providing a precise replacement catalytic converter. Engineered to meet Federal and EPA standards, this direct-fit catalytic converter ensures compatibility and reliable performance for your vehicle.
- Compatible with Nissan Sentra
- Federal / EPA direct-fit catalytic converter
- Ceramic substrate material for efficient emission control
- Overall length of 29 inches for exact fitment
- Includes 1 inlet gasket and 1 outlet gasket
- Equipped with 2 bolt welded inlet and outlet flanges
- One O2 sensor port for accurate emissions monitoring
- Inlet and outlet hardware included
Direct Fit Converter Product Line Details
The Direct Fit Converter line by AP Exhaust focuses on providing catalytic converters that match OEM specifications for a seamless replacement experience. This product line emphasizes precise fitment, reducing installation time and ensuring compliance with emissions regulations. The 644131 model is part of this line, designed to fit Nissan Sentra vehicles without requiring modifications.
Product Features and Specifications
This catalytic converter features a ceramic substrate, which is effective in reducing harmful emissions while maintaining durability. The 2 bolt welded inlet and outlet flanges provide a secure connection to the exhaust system. With an overall length of 29 inches, the converter fits directly into the existing exhaust layout of the Nissan Sentra. The inclusion of one O2 sensor port allows for proper sensor installation, maintaining the vehicle’s emission control system functionality.
Common Applications and Problem Resolution
- Replacement for a damaged or clogged catalytic converter in Nissan Sentra
- Restores proper exhaust flow and emission control
- Helps resolve check engine light issues related to catalytic converter failure
- Ensures compliance with Federal and EPA emission standards
- Improves vehicle performance affected by exhaust restrictions
Installation Notes and Tips
Installation of the AP Exhaust Direct Fit Converter 644131 requires removal of the existing catalytic converter and replacement using the included inlet and outlet gaskets and hardware. The 2 bolt welded flanges simplify alignment and attachment. Ensure the O2 sensor is properly installed in the provided sensor port to maintain accurate emissions monitoring. No clamps are required for this installation.
Quality Assurance and Warranty
AP Exhaust manufactures the Direct Fit Converter line to meet Federal and EPA standards, ensuring regulatory compliance and durability. The 644131 catalytic converter is built with quality materials, including a ceramic substrate, to provide consistent performance. Warranty details should be confirmed with the manufacturer or distributor at the time of purchase.
| Brand | AP Exhaust |
| Part Number | 644131 |
| Position | Direct Fit Converter, Rear |
| Clamp Qty | None |
| Inlet Gasket Qty | 1 |
| Inlet Hardware | Yes |
| Inlet Type A | 2 bolt welded |
| O2 Sensor Ports | 1 |
| Outlet Gasket Qty | 1 |
| Outlet Hardware | Yes |
| Outlet Type A | 2 bolt welded |
| Overall Length (IN) | 29 |
| Substrate Material | Ceramic |
| Type | Federal / epa direct-fit |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2019 | Nissan | Sentra | 1.8L | L4 | Rear | California Emissions; Direct Fit Converter |
| 2018 | Nissan | Sentra | 1.8L | L4 | Rear | Direct Fit; California Emissions; 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 | Nissan | Sentra | 1.8L | L4 | N/A | Direct Fit; 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.; Calif. Emissions |
| 2017 | Nissan | Sentra | 1.8L | L4 | Rear | Direct Fit; California Emissions; 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 | Nissan | Sentra | 1.8L | L4 | N/A | Direct Fit; 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.; Calif. Emissions |
| 2016 | Nissan | Sentra | 1.8L | L4 | Rear | Direct Fit; California Emissions; 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 | Nissan | Sentra | 1.8L | L4 | N/A | Direct Fit; 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.; Calif. Emissions |
| 2015 | Nissan | Sentra | 1.8L | L4 | Rear | Direct Fit; California Emissions; 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 | Nissan | Sentra | 1.8L | L4 | N/A | Direct Fit; 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.; Calif. Emissions |
| 2014 | Nissan | Sentra | 1.8L | L4 | Rear | Direct Fit; California Emissions; 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 | Nissan | Sentra | 1.8L | L4 | N/A | Direct Fit; 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.; Calif. Emissions |
| 2013 | Nissan | Sentra | 1.8L | L4 | Rear | Direct Fit; California Emissions; 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.