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EASTERN CATALYTIC 40427
ECO III
ECO III Series converters are designed with twice the amount of Rhodium to help keep the Check Engine Light off on vehicles with high mileage, low emissions, or higher than normal emissions.
  • Proprietary NANO technology chemistry yields highly efficient loadings for lower cost and better converter efficiency.
  • Full top and bottom heat shields on most converters.
  • High flow design retains maximum engine output and maximizes catalytic efficiency.

Which converter is legal for my state?

PDF : Converter Break-In Procedure

Video : Steps for Installing a Catalytic Converter

Video : Converter Installation Prerequisites

Video : Why Is My Converter Smaller than the OE?

Video : Troubleshooting the PO420 Error Code


Outlet HardwareYes
Outlet Gasket Qty1
Inlet HardwareYes
Inlet Gasket Qty1
Inlet Type A5 BOLT WELDED
Outlet Type A3 BOLT WELDED
Overall Length (IN)8.625
O2 Sensor Ports1
Alternate/OEM Part Number(s): 40205

EASTERN CATALYTIC Warranty Information
5 years/50,000 miles; Flex Pipes 90 days
Warranty Details