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Catalytic converters for cars

AS catalytic converter catalogue, a leading company in the production of catalytic converters for the main brands

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Enter a reference number

This number may be the AS part no., the original car manufacturer's number or that of another manufacturer.

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If you do not know the part number, choose the make, model and features of your vehicle


Assembly instructions

Download the AS fitting assembly instruction manual.


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See the latest additions to the AS catalytic converter catalogue