Catalytic Converter Type Approved BM91263H BM Catalysts. Part Number BM91263H. CITROËN/PEUGEOT 0342K3, 1609158080, 342L5. Unique approval number for each BM part number. Type Catalytic Converter. It works by converting exhaust emissions into less harmful ones when the gasses pass through it, triggering a chemical reaction.
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