Eastern Catalytic Direct-fit Converters

Direct-Fit Converters

We offer over 2,500 Direct-fit converters for cars, vans, SUVs, and light trucks, all built to exact OE dimensions with OE-quality flanges and flex assemblies. Eastern Direct-fit converters cover over 100,000 applications including broad coverage for CARB applications.

Eastern Direct-fit converters feature our proprietary catalytic chemistry and high-flow design to maximize engine output and catalytic efficiency.

Most of our Direct-fit converters include our Value Pack installation kits with everything you need for a fast, easy installation, including hardware, gaskets, fasteners, studs, and accessories.

Where our engineers have recommended their use, post ‘96 Direct-fit converters use our new ECO II and ECO III catalysts.


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Designed to be effective on most complex or second generation on board diagnostic (OBD II) systems.

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Designed with twice the amount of Rhodium to help keep the MIL off on vehicles with high mileage, low emissions, or higher than normal emissions.

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Developed specifically to meet the emissions challenges of GM 2.2, 3.1, 3.4, and 3.8L engines.
Learn more about ECO GM Series.