HomeAP Exhaust 644165 Catalytic Converter - Rear
Part #: 644165

AP Exhaust 644165 Catalytic Converter - Rear

Rear
⚙️ 22 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$193.80Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
Out of Stock
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Hyundai and Kia, Santa Fe Sport and Sorento
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

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.

BrandAP Exhaust
Part Number644165
Body MaterialStainless steel
Clamp Qty1
Inlet Gasket Qty1
Inlet HardwareYes
Inlet Type A2 bolt welded
Outlet Gasket QtyNone
Outlet HardwareNone
Outlet Type A2.25" od
Overall Length (IN)18
TypeFederal / epa direct-fit

This part fits 22 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2020KiaSorento2.4LL4RearDirect 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.
2019KiaSorento2.4LL4RearDirect 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.
2018HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2018HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2018KiaSorento2.4LL4RearDirect 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.
2017HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2017HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2017KiaSorento2.4LL4RearDirect 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.
2016HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2016HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2016KiaSorento2.4LL4RearDirect 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.
2015HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2015HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2015KiaSorento2.4LL4N/ADirect 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.
2015KiaSorento2.4LL4RearDirect 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.
2014HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2014HyundaiSanta Fe Sport2.4LL4N/ADirect 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.
2014HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2014KiaSorento2.4LL4N/ADirect 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.
2014KiaSorento2.4LL4RearDirect 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.
2013HyundaiSanta Fe Sport2.4LL4RearDirect 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.
2013HyundaiSanta Fe Sport2.4LL4RearDirect 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:

28600-4Z300

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.