AP Exhaust 644013 Catalytic Converter - Front

Brand AP Exhaust 644013
Position Front
Body Material Stainless steel
Inlet Gasket Yes
Inlet Hardware None
Inlet Type A 3 bolt welded flange
O2 Sensor Ports 1
Outlet Gasket Yes
Outlet Hardware None
Outlet Hardware Yes
Outlet Type A 2 bolt welded flange
Overall Length (IN) 18.25
Substrate Material Ceramic
Type Federal / epa direct-fit
Fits Chevrolet and Pontiac · 29 vehicles

Federal / EPA direct-fit. Built for OE dimensions and fitment with no modifications needed.

Stainless steel body. Corrosion-resistant construction helps the converter stand up to heat and wear.

Ceramic substrate. Proprietary chemistry promotes efficient converter performance.

$315.89Free shipping
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Order total $315.89
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Direct-Fit Catalytic Converter for Malibu and G6

AP Exhaust 644013 is a Federal / EPA direct-fit catalytic converter built for specific Chevrolet Malibu and Pontiac G6 front applications. It uses a ceramic substrate and stainless steel body construction to match OE dimensions and support proper exhaust flow and emissions control.

With exact-fit flanges, integrated gasket coverage, and one O2 sensor port, this converter is built for straightforward replacement on listed vehicles. AP Exhaust 644013 is engineered for drivers needing a front catalytic converter replacement for Chevrolet Malibu and Pontiac G6 models with the specified emissions and transmission configurations.

Key Features

  • Federal / EPA direct-fit catalytic converter
  • Stainless steel body material for corrosion resistance
  • Ceramic substrate material
  • One O2 sensor port
  • 3-bolt welded inlet flange and 2-bolt welded outlet flange
  • Inlet gasket and outlet gasket included
  • Overall length: 18.25 inches
  • Built to OE dimensions and fitment targets

Detailed Product Overview

AP Exhaust 644013 uses ARISTO substrate chemistry and advanced manufacturing methods to produce a converter with efficient loading and consistent fitment. Automated production processes, spinner welding, and high-speed assembly help maintain dimensional accuracy for the listed front exhaust applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Compatible With: 2008-2012 Chevrolet Malibu, front; 2011-2012 Chevrolet Malibu, front; 2008-2010 Chevrolet Malibu, front; 2009-2010 Pontiac G6, front. Search terms such as 2011 Chevrolet Malibu front catalytic converter, 2008-2012 Chevrolet Malibu direct-fit converter, and 2009 Pontiac G6 front catalytic converter all point to this application set. AP Exhaust 644013 is also a relevant search for 2010 Pontiac G6 front exhaust replacement.

Common Problems This Part Addresses

  • Failed catalytic converter efficiency codes
  • Restricted exhaust flow from a worn converter
  • Emissions test failure related to converter performance
  • Exhaust leaks at the converter flange area
  • Check engine light concerns tied to catalyst operation

Installation Notes and Tips

Verify the vehicle’s emissions certification, transmission configuration, and model year before ordering. This converter is listed for Federal and California emissions applications on the specified vehicles, with restrictions noted for CA, CO, ME, and NY; check local regulations before installation. Confirm the front position, inlet and outlet flange style, and O2 sensor port count against the original part to ensure proper match. Professional installation is recommended for exhaust sealing and sensor transfer.

Quality Assurance

AP Exhaust builds this converter to OE dimensions using controlled manufacturing processes and stainless steel construction for consistent fitment on the listed Chevrolet Malibu and Pontiac G6 applications. The ARISTO substrate design is used to support efficient converter loading and dependable emissions performance within the intended Federal / EPA direct-fit category.

This part fits 29 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2012ChevroletMalibuLT2.4LL4GASFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2012ChevroletMalibuLTZ2.4LL4GASFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2012ChevroletMalibuLTZ2.4LL4FLEXFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2012ChevroletMalibuLS2.4LL4FLEXFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2012ChevroletMalibuLS2.4LL4GASFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2012ChevroletMalibuLT2.4LL4FLEXFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2012ChevroletMalibu2.4LL4FrontDirect Fit; 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.
2011ChevroletMalibuLS2.4LL4FLEXFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2011ChevroletMalibuLT2.4LL4FLEXFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2011ChevroletMalibuLS2.4LL4GASFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2011ChevroletMalibuLT2.4LL4GASFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2011ChevroletMalibuLTZ2.4LL4FLEXFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2011ChevroletMalibuLTZ2.4LL4GASFrontDirect Fit; (11-12); 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.; (Exc. Hybrid)
2011ChevroletMalibu2.4LL4FrontDirect Fit; 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.
2010ChevroletMalibuLT2.4LL4GASFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2010ChevroletMalibuLTZ2.4LL4GASFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2010ChevroletMalibuLTZ2.4LL4FLEXFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2010ChevroletMalibuLT2.4LL4FLEXFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2010ChevroletMalibu2.4LL4FrontDirect Fit; 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.
2010PontiacG62.4LL4FrontDirect Fit; (09-10, w/ 6 Speeds); 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.
2010PontiacG62.4LL4FrontDirect Fit; 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.
2009ChevroletMalibuLT2.4LL4GASFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2009ChevroletMalibuLTZ2.4LL4GASFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2009ChevroletMalibu2.4LL4FrontDirect Fit; 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.
2009PontiacG62.4LL4FrontDirect Fit; (09-10, w/ 6 Speeds); 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.
2009PontiacG62.4LL4FrontDirect Fit; 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.
2008ChevroletMalibuLT2.4LL4GASFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2008ChevroletMalibuLTZ2.4LL4GASFrontDirect Fit; (08-10 w/ 6 Speeds); 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.; (Exc. Hybrid)
2008ChevroletMalibu2.4LL4FrontDirect Fit; 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.