AP Exhaust 643087 Catalytic Converter
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AP Exhaust

AP Exhaust 643087 Catalytic Converter

Brand AP Exhaust 643087
Body Material Stainless steel
Inlet Gasket Yes
Inlet Hardware None
Inlet Type A 2 bolt welded flange
O2 Sensor Ports 2
Outlet Gasket Yes
Outlet Hardware None
Outlet Type A 2 bolt welded flange w/ gasket stub
Overall Length (IN) 89
Substrate Material Ceramic
Type Federal / epa direct-fit
Fits Toyota · 6 vehicles

Direct-fit design. Built to OE dimensions for straightforward exhaust replacement.

Stainless steel body. Helps provide durable construction for exhaust service.

Ceramic substrate. Uses AP Exhaust 643087 substrate chemistry for efficient converter loading.

$362.50Free shipping
In stock · usually ships same day before 1pm CST
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Order total $362.50
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Overview

AP Exhaust catalytic converter 643087 is a Federal / EPA direct-fit replacement built to OE dimensions for straightforward installation and proper exhaust alignment. It is engineered for 2000-2005 Toyota Celica applications and uses a ceramic substrate with stainless steel body construction.

The AP Exhaust 643087 is built with automated manufacturing and spinner welding processes to support consistent fitment and converter efficiency. It includes inlet and outlet gaskets, and the design uses 2-bolt welded flange connections with an O2 sensor port layout that matches the listed application.

Key Features

  • Federal / EPA direct-fit catalytic converter
  • Stainless steel body for exhaust system durability
  • Ceramic substrate material
  • 2-bolt welded flange inlet and outlet design
  • 2 O2 sensor ports
  • Inlet and outlet gaskets included
  • Built to OE dimensions for the listed Toyota Celica fitment

Detailed Description

AP Exhaust part number 643087 is a direct-fit catalytic converter for 2000-2005 Toyota Celica models with Federal and California emissions listings noted in the fitment data. It is designed around exact OE dimensions to help maintain proper exhaust routing and converter placement while supporting emissions system function. The stainless steel body and ceramic substrate provide a practical combination for replacement service, and the 2-bolt welded flange connections simplify matching the factory-style exhaust interface.

ARISTO substrate chemistry and AP Emissions Technologies manufacturing methods are used to produce efficient converter loading and consistent fitment. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Solve

  • Failed catalytic converter efficiency codes
  • Exhaust leaks at flange connections
  • Restricted exhaust flow from a worn converter
  • Emissions test failure related to converter performance
  • Fitment issues from non-OE-style exhaust replacement parts

Installation Notes

Fits 2000-2005 Toyota Celica, N/A. Verify emissions requirements before installation, since the fitment notes specify Federal and California emissions restrictions for certain states. Confirm the listed inlet and outlet flange style, O2 sensor port count, and overall length before beginning service.

Quality Assurance

AP Exhaust uses advanced manufacturing processes, including automated workstations, spinner welding equipment, and high-speed production lines, to build converters to exact OE dimensions and fitment. Part number 643087 is produced to support consistent replacement quality for the listed Toyota Celica application.

Related reading

This part fits 6 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersNotes
2005ToyotaCelicaGT1.8LL4Direct 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.
2004ToyotaCelicaGT1.8LL4Direct 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.
2003ToyotaCelicaGT1.8LL4Direct 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.
2002ToyotaCelicaGT1.8LL4Direct 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.
2001ToyotaCelicaGT1.8LL4Direct 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.
2000ToyotaCelicaGT1.8LL4Direct 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.