AP Exhaust 642082 Catalytic Converter - Rear

Brand AP Exhaust 642082
Position Rear
Body Material Stainless steel
Inlet Gasket Yes
Inlet Hardware None
Inlet Type A 2 bolt welded flange
O2 Sensor Ports None
Outlet Gasket Not required
Outlet Hardware Yes
Outlet Type A 2.35" od pipe
Overall Length (IN) 16
Substrate Material Ceramic
Type Federal / epa direct-fit
Fits Toyota · 14 vehicles

Federal / EPA direct-fit. 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.

Cross-references 17420-0A252 for the same application. See all 1.

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Direct-Fit Rear Catalytic Converter

AP Exhaust 642082 is a Federal / EPA direct-fit catalytic converter built for rear exhaust placement on select Toyota Sienna applications. It uses a stainless steel body, a ceramic substrate, and OE-style dimensions to support proper fitment on the specified vehicles.

For Toyota Sienna rear converter replacement, this part number 642082 is engineered around exact-fit installation requirements and emissions-system compatibility for the listed model years.

Key Features

  • Federal / EPA direct-fit catalytic converter
  • Stainless steel body for corrosion resistance
  • Ceramic substrate material
  • 2-bolt welded flange inlet
  • 2.35" OD pipe outlet
  • Inlet gasket included
  • Outlet hardware included
  • No O2 sensor ports
  • 16-inch overall length

Fitment Details

  • Fits 2007-2010 Toyota Sienna, rear; direct fit; 68460 required for installation; Federal and California emissions; not for sale or use on vehicles licensed in CA, CO, ME, or NY. Restrictions may apply in other states.
  • Fits 2004-2010 Toyota Sienna, rear; direct fit; requires 68460 resonator pipe to complete installation; Federal and California emissions; not for sale or use on vehicles licensed in CA, CO, ME, or NY. Restrictions may apply in other states.
  • Fits 2004-2006 Toyota Sienna, rear; direct fit; OE system must be cut off 2.625" behind the rear converter weld; Federal and California emissions; not for sale or use on vehicles licensed in CA, CO, ME, or NY. Restrictions may apply in other states.

What This Part Helps Address

  • Rear catalytic converter replacement on a Toyota Sienna
  • Emissions-system failure from a worn or damaged converter
  • Exhaust leaks at the rear converter connection points
  • Fitment issues caused by non-OE-style exhaust dimensions
  • Installation problems when the original rear converter assembly is no longer serviceable

Installation Notes

Confirm the vehicle’s emissions configuration and state-use restrictions before ordering. Some applications require the 68460 resonator pipe to complete installation, and 2004-2006 Toyota Sienna models require cutting the OE system behind the rear converter weld. This part number 642082 is a direct-fit rear converter for the listed Toyota Sienna years and positions.

This part cross-references 17420-0A252 for the same application.

Quality Assurance

AP Exhaust uses proprietary substrate chemistry and automated manufacturing processes to produce converters built to OE dimensions and fitment targets. The manufacturing approach is focused on consistent converter construction, efficient substrate loading, and competitive replacement value for the specified Toyota Sienna application.

This part fits 14 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypeLitersCylindersPositionNotes
2010ToyotaSiennaFWD3.5LV6RearDirect Fit; (68460 Required For Installation); 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.
2010ToyotaSiennaFWD3.5LV6RearDirect Fit; Requires 68460 Resonator Pipe to Complete Installation; 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.
2009ToyotaSiennaFWD3.5LV6RearDirect Fit; (68460 Required For Installation); 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.
2009ToyotaSiennaFWD3.5LV6RearDirect Fit; Requires 68460 Resonator Pipe to Complete Installation; 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.
2008ToyotaSiennaFWD3.5LV6RearDirect Fit; (68460 Required For Installation); 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.
2008ToyotaSiennaFWD3.5LV6RearDirect Fit; Requires 68460 Resonator Pipe to Complete Installation; 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.
2007ToyotaSiennaFWD3.5LV6RearDirect Fit; (68460 Required For Installation); 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.
2007ToyotaSiennaFWD3.5LV6RearDirect Fit; Requires 68460 Resonator Pipe to Complete Installation; 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.
2006ToyotaSiennaFWD3.3LV6RearDirect Fit; The O.E. system must be cut off 2.625" behind the rear converter weld.; 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.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2006ToyotaSiennaFWD3.3LV6RearDirect Fit; Requires 68460 Resonator Pipe to Complete Installation; 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.
2005ToyotaSiennaFWD3.3LV6RearDirect Fit; The O.E. system must be cut off 2.625" behind the rear converter weld.; 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.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2005ToyotaSiennaFWD3.3LV6RearDirect Fit; Requires 68460 Resonator Pipe to Complete Installation; 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.
2004ToyotaSiennaFWD3.3LV6RearDirect Fit; The O.E. system must be cut off 2.625" behind the rear converter weld.; 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.; OE system was a welded assembly. It is recommended that all parts noted [1] should be replaced.
2004ToyotaSiennaFWD3.3LV6RearDirect Fit; Requires 68460 Resonator Pipe to Complete Installation; 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.
17420-0A252