OE Quality
60-Day Returns

AP Exhaust 644165 Catalytic Converter - Rear
AP Exhaust Catalytic Converter for Hyundai Santa Fe Sport and Kia Sorento
The AP Exhaust catalytic converter part number 644165 is designed as a direct-fit replacement for select Hyundai and Kia models. Constructed from durable stainless steel, this federal/EPA compliant converter ensures reliable performance and emission control for your Santa Fe Sport or Sorento.
- Body material: corrosion-resistant stainless steel
- Clamp quantity: 1 included for secure attachment
- Inlet gasket quantity: 1 for proper sealing
- Inlet hardware: included for installation
- Inlet type: 2 bolt welded connection
- Outlet type: 2.25 inch outside diameter
- Overall length: 18 inches for precise fitment
- Federal/EPA direct-fit design for emission compliance
Durable Construction and Precise Fitment
This AP Exhaust catalytic converter 644165 is engineered with a stainless steel body to resist rust and corrosion, extending the life of your exhaust system. The 2 bolt welded inlet and 2.25 inch outlet ensure a secure and leak-free connection. With an overall length of 18 inches, it matches the OEM specifications for Hyundai Santa Fe Sport and Kia Sorento models, providing a straightforward replacement without modification.
Compatible Vehicles and Applications
This catalytic converter is compatible with the following vehicles:
- Hyundai Santa Fe Sport
- Kia Sorento
It is designed to meet federal and EPA emission standards, making it suitable for direct replacement in these models to maintain proper exhaust emissions and vehicle performance.
Common Issues Addressed by This Catalytic Converter
- Excessive exhaust emissions causing failed emissions tests
- Reduced engine performance due to clogged or damaged converter
- Check engine light triggered by catalytic converter faults
- Unusual exhaust odors or noises indicating converter failure
- Corrosion or physical damage to the original catalytic converter
Installation Notes and Tips
Installation of the AP Exhaust catalytic converter 644165 requires basic mechanical skills and tools. The included inlet gasket and hardware facilitate a proper seal and secure fit. Ensure the vehicle is cooled down before starting installation. Verify the 2 bolt welded inlet and 2.25 inch outlet connections match your vehicle’s exhaust system. It is recommended to inspect surrounding exhaust components for wear during replacement.
Quality Assurance and Warranty
AP Exhaust catalytic converters are manufactured to meet federal and EPA standards for emissions control. The stainless steel construction provides durability and resistance to corrosion. While specific warranty details are not provided here, AP Exhaust products typically come with a limited warranty against defects in materials and workmanship. Consult the product documentation or manufacturer for exact warranty terms.
| Brand | AP Exhaust |
| Part Number | 644165 |
| Body Material | Stainless steel |
| Clamp Qty | 1 |
| Inlet Gasket Qty | 1 |
| Inlet Hardware | Yes |
| Inlet Type A | 2 bolt welded |
| Outlet Gasket Qty | None |
| Outlet Hardware | None |
| Outlet Type A | 2.25" od |
| Overall Length (IN) | 18 |
| Type | Federal / epa direct-fit |
This part fits 22 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2020 | Kia | Sorento | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Kia | Sorento | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2018 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Kia | Sorento | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2017 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Kia | Sorento | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2016 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Kia | Sorento | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2015 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Kia | Sorento | 2.4L | L4 | N/A | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2015 | Kia | Sorento | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2014 | Hyundai | Santa Fe Sport | 2.4L | L4 | N/A | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2014 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Kia | Sorento | 2.4L | L4 | N/A | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2014 | Kia | Sorento | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; (Use w/ O.E. Muffler Assembly); 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.; The O.E. system must be cut off 3.5" behind the rear converter weld.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced. |
| 2013 | Hyundai | Santa Fe Sport | 2.4L | L4 | Rear | Direct Fit; For use with OE pipe; 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.