Need a replacement catalytic converter for your 1998 Dodge B3500? MagnaFlow offers high-quality catalytic converters engineered for 1998 Dodge B3500 sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1998 Dodge B3500 requirements and state vehicle registration to buy the best B3500 catalytic converter online that fits your '98 B3500 and meets your state’s emissions compliance.