Eastern Catalytic Direct-fit Converters

Direct Fit ApplicationsWe offer over 1,400 Direct-fit converters for cars, vans, SUVs, and light trucks, all built to exact OE dimensions with OE-quality flanges and flex assemblies. Covering over 46,000 applications, they feature our proprietary catalytic chemistry and high-flow design that maximizes engine output and catalytic efficiency. 

Most of our Direct-fit Converters include Eastern’s 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.


CARB compliant Universal and Direct-fit converters. Learn more about ECO CARB Series.


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


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.


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.

Many of our Direct-fit Converters include our Value Pack™ installation kits with everything you need for a fast, easy installation:

  • Air tube and hose clamps
  • Manifold nuts and bolts
  • Fuel injector air tube connector
  • Air tube plug
  • Complete installation instructions