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AP / EASTERN 914209  
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AP / EASTERN markets and sells their catalytic converters under both AP EXHAUST and EASTERN CATALYTIC. The product inside the box is the same, no matter what brand name appears on the box.
AP / EASTERN 914209 Specifications
Body MaterialStainless Steel
Executive OrderD-280-101
Inlet Gasket1
Inlet HardwareNone
Inlet Type A3 Bolt Welded Flange
Issued CompanyAirTek, Inc.
O2 Sensor Ports1
Outlet Gasket1
Outlet HardwareNone
Outlet Type A3 Bolt Welded Flange
Overall Length (IN)16.88
Substrate MaterialCeramic
TypeCARB Compliant Direct-Fit
C.A.R.B. Compliant
Determine your Engine Family Number to make sure you order the correct replacement converter.

AP Exhaust's proprietary substrate chemistry yields highly efficient loadings for lower cost and better converter efficiency while their latest advanced-manufacturing technology ensures that all converters are built to exact OE dimensions and fit.

Features & Benefits:
  • Featuring Aristo Clean by Design® advanced catalyst technology to handle the toughest emissions problems
  • Increased precious metals loadings for lower emissions output
  • Improved O2 storage and release with exact O2 sensor location(s)
  • Keeps the MIL light off
  • 409 stainless steel shell and neck construction for longer life
  • Hardware included (where needed) provides for faster and easier installations
Have You Fixed the Problem that Caused your OEM Converter to Fail?

Catalytic Converters are designed to last the life of your vehicle – they do not fail on their own. It is important to fix the source of the problem before replacing your OEM converter. There are three major reasons a converter fails:


Often caused by unburned fuel entering the converter from a faulty:

  • Spark Plug
  • Exhaust Valve
  • Oxygen Sensor
  • Fuel Injector
Burned Catalytic Converter
Burned Converter


Often caused by exposure to emissions substances from:

  • Leaky Cylinder Head Gasket
  • Silicone-Based Sealant
  • Improper Fuel (E85, Diesel)
  • Worn Piston Ring / Valve Seal
Oil Fouled Catalytic Converter
Oil Fouled Converter

Often caused by road debris, corrosion or other conditions such as:

  • Air Gap Pipe Failure
  • Flex Pipe Failure
  • Stripped O2 Sensor Threads
  • Broken Hangers
Rusted Catalytic Converter
Dented Converter

How to Fix Catalytic Converter Problems (Air-Related)

How to Fix Catalytic Converter Problems (Fuel-Related)

What Causes a P0420 Code?

Additional Resources

Catalytic Converter Limited Warranty Registration Card

Attention California Customers - WARNING: Cancer and Reproductive Harm https://www.p65warnings.ca.gov

Warranty Information:
E.P.A. Compliant: 25,000 Miles - Catalytic Performance; 5 Years/50,000 Miles - Structural Integrity
C.A.R.B. Compliant: 5 Years/50,000 Miles - Catalytic Performance & Structural Integrity