AP Exhaust 641238 Catalytic Converter with Integrated Exhaust Manifold - Front or Front Left

Brand AP Exhaust 641238
Position Front and Front Left
Body Material Stainless steel
Inlet Gasket Yes
Inlet Hardware None
Inlet Type A 6 bolt welded flange
O2 Sensor Ports 1
Outlet Gasket Yes
Outlet Hardware None
Outlet Type A 2 bolt welded flange
Overall Length (IN) 17
Substrate Material Ceramic
Type Federal / epa direct-fit manifold
Fits Lexus and Toyota · 43 vehicles

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

Stainless steel body. Helps resist corrosion in demanding exhaust conditions.

Ceramic substrate. Supports efficient converter performance with proprietary chemistry.

$346.69Free shipping
In stock · usually ships same day before 1pm CST
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Order total $346.69
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Free returns within 60 days if it doesn't fit when fitment is verified.

Direct-Fit Catalytic Converter Manifold

AP Exhaust 641238 is a Federal / EPA direct-fit catalytic converter with integrated exhaust manifold for select Toyota and Lexus applications. It is built with a stainless steel body, ceramic substrate, and OE-style flange connections to support proper fitment on the listed vehicles.

Key Features

  • Federal / EPA direct-fit manifold design
  • Stainless steel body for exhaust system durability
  • Ceramic substrate material
  • 6-bolt welded flange inlet and 2-bolt welded flange outlet
  • 1 O2 sensor port
  • Inlet gasket and outlet gasket included
  • Overall length: 17 inches

Fitment and Application Details

Fits 2004-2007 Toyota Highlander, front and front left; fits 2004-2006 Lexus RX330, front and front left; fits 2004-2006 Toyota Sienna, front and front left; fits 2006-2008 Lexus RX400h, front left. This AP Exhaust catalytic converter manifold is listed for Federal and California emissions applications, with restrictions noted for vehicles licensed in CA, CO, ME, and NY.

AP Exhaust 641238 uses ARISTO substrate chemistry and OE-dimension manufacturing methods to help maintain the correct shape, mounting points, and exhaust flow characteristics for the listed fitments. The direct-fit layout is important for Toyota Highlander, Lexus RX330, Toyota Sienna, and Lexus RX400h models where the converter and manifold are integrated into the front exhaust section.

Common Problems This Part Can Address

  • Failed catalytic converter efficiency codes
  • Exhaust leaks at the manifold or flange connections
  • Check engine light related to catalyst performance
  • Restricted exhaust flow from a worn substrate
  • Fitment issues caused by damaged OE-style manifold assemblies

Installation Notes

  • Verify emissions compliance before installation, especially for CA, CO, ME, and NY-licensed vehicles.
  • Confirm the vehicle’s front-left or front application before ordering.
  • Inspect mating surfaces, gaskets, and sensor connections during replacement.
  • Use the listed flange style and O2 sensor port count to match the original configuration.

Quality Assurance

AP Exhaust manufactures this converter with automated workstations, spinner welding equipment, and high-speed production lines to support OE-style dimensions and fitment. Part number 641238 is built to the listed specifications for the confirmed Toyota and Lexus applications.

This part fits 43 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelDrive TypeLitersCylindersFuel TypePositionNotes
2008LexusRX400h3.3LV6ELECTRIC/GASFront LeftFederal 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.
2008LexusRX400h3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2007LexusRX400h3.3LV6ELECTRIC/GASFront LeftFederal 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.
2007LexusRX400h3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2007ToyotaHighlanderBase3.3LV6GASFrontDirect 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.
2007ToyotaHighlanderLimited3.3LV6GASFrontDirect 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.
2007ToyotaHighlanderSport3.3LV6GASFrontDirect 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.
2007ToyotaHighlanderLimited3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2007ToyotaHighlanderHybrid3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2007ToyotaHighlanderHybrid Limited3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2007ToyotaHighlanderBase3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2007ToyotaHighlanderSport3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006LexusRX3303.3LV6FrontDirect 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.
2006LexusRX3303.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006LexusRX400h3.3LV6ELECTRIC/GASFront LeftFederal 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.
2006LexusRX400h3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006ToyotaHighlanderLimited3.3LV6GASFrontDirect 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.
2006ToyotaHighlanderSport3.3LV6GASFrontDirect 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.
2006ToyotaHighlanderBase3.3LV6GASFrontDirect 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.
2006ToyotaHighlanderSport3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006ToyotaHighlanderHybrid Limited3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006ToyotaHighlanderLimited3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006ToyotaHighlanderBase3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006ToyotaHighlanderHybrid3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2006ToyotaSiennaFWD3.3LV6FrontDirect 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.
2006ToyotaSiennaAWD3.3LV6FrontDirect 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.
2006ToyotaSienna3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2005LexusRX3303.3LV6FrontDirect 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.
2005LexusRX3303.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2005ToyotaHighlanderBase3.3LV6GASFrontDirect 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.
2005ToyotaHighlanderLimited3.3LV6GASFrontDirect 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.
2005ToyotaHighlander3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2005ToyotaSiennaFWD3.3LV6FrontDirect 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.
2005ToyotaSiennaAWD3.3LV6FrontDirect 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.
2005ToyotaSienna3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2004LexusRX3303.3LV6FrontDirect 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.
2004LexusRX3303.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2004ToyotaHighlanderBase3.3LV6GASFrontDirect 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.
2004ToyotaHighlanderLimited3.3LV6GASFrontDirect 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.
2004ToyotaHighlander3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.
2004ToyotaSiennaFWD3.3LV6FrontDirect 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.
2004ToyotaSiennaAWD3.3LV6FrontDirect 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.
2004ToyotaSienna3.3LV6Front LeftDirect Fit; Manifold Unit, Radiator Side; 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.