AP Exhaust 644151 Catalytic Converter
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AP Exhaust

AP Exhaust 644151 Catalytic Converter

Brand AP Exhaust 644151
Body Material Stainless steel
Clamp Qty 1
Inlet Gasket Qty 1
Inlet Hardware None
Inlet Type A V-band flange
O2 Sensor Ports 1
Outlet Gasket Qty None
Outlet Hardware None
Outlet Type A 2.36" od slip fit
Overall Length (IN) 66
Substrate Material Ceramic
Type Federal / epa direct-fit
Fits Volkswagen · 18 vehicles

Direct-fit replacement. Built to exact OE dimensions for straightforward installation.

Stainless steel body. Helps resist corrosion for long-lasting exhaust service.

Ceramic substrate. Delivers efficient converter performance with lower cost loading.

Cross-references 5C0254501 for the same application. See all 1.

$569.98Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.
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AP Exhaust 644151 Catalytic Converter

AP Exhaust 644151 is a Federal / EPA direct-fit catalytic converter built for OE-style fitment and emissions system service. It uses a ceramic substrate and stainless steel body construction to support reliable exhaust flow and proper installation on select Volkswagen applications.

Key Features

  • Federal / EPA direct-fit catalytic converter
  • Ceramic substrate material
  • Stainless steel body construction
  • V-band flange inlet with 2.36" OD slip-fit outlet
  • One O2 sensor port for emissions system integration
  • Built to OE dimensions and fitment standards
  • Part number: 644151

Product Details

AP Exhaust 644151 is engineered for direct replacement service on select Volkswagen Jetta, Volkswagen Beetle, and Volkswagen Passat models. The converter uses AP Exhaust’s ARISTO substrate chemistry and modern manufacturing methods to support efficient catalyst loading while maintaining exact dimensional fitment. For buyers searching for a Volkswagen Jetta catalytic converter, Volkswagen Beetle catalytic converter, or Volkswagen Passat direct-fit converter, this part number 644151 provides a vehicle-specific replacement solution.

This part cross-references 5C0254501 for the same application.

What It Helps Address

  • Failed or inefficient catalytic converter operation
  • Check engine light concerns related to catalyst efficiency
  • Exhaust restriction from a deteriorated converter core
  • Emissions test failure tied to converter performance
  • Fitment issues from a damaged or non-OE-style replacement unit

Installation Notes

Fits 2014-2018 Volkswagen Jetta, N/A; direct fit with SULEV emissions and Federal/California emissions notes. Fits 2014-2017 Volkswagen Beetle, N/A; direct fit with SULEV emissions and Federal/California emissions notes. Fits 2014-2017 Volkswagen Passat, N/A; direct fit with SULEV emissions and Federal/California emissions notes.

Verify emissions compliance before installation. This converter is not for sale or use on vehicles licensed in CA, CO, ME, or NY, and restrictions may apply in other states. Confirm the vehicle’s emissions label, engine configuration, and exhaust connection style before ordering AP Exhaust 644151.

Quality Assurance

AP Exhaust uses automated workstations, spinner welding equipment, and high-speed production lines to build converters to OE dimensions and fitment standards. The stainless steel body and ceramic substrate are selected for emissions-system service on the listed Volkswagen applications.

Related reading

This part fits 18 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2018VolkswagenJetta2.0LL4N/ADirect Fit; SULEV Emissions; 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.
2018VolkswagenJetta1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2017VolkswagenBeetle1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2017VolkswagenJetta2.0LL4N/ADirect Fit; SULEV Emissions; 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.
2017VolkswagenJetta1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2017VolkswagenPassat1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2016VolkswagenBeetle1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2016VolkswagenJetta2.0LL4N/ADirect Fit; SULEV Emissions; 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.
2016VolkswagenJetta1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2016VolkswagenPassat1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2015VolkswagenBeetle1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2015VolkswagenJetta2.0LL4N/ADirect Fit; SULEV Emissions; 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.
2015VolkswagenJetta1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2015VolkswagenPassat1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2014VolkswagenBeetle1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2014VolkswagenJetta2.0LL4N/ADirect Fit; SULEV Emissions; 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.
2014VolkswagenJetta1.8LL4N/ADirect Fit; SULEV Emissions; 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.
2014VolkswagenPassat1.8LL4N/ADirect Fit; SULEV Emissions; 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.
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
5C0254501