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16 Results. We provide a full selection of genuine GMC Sierra 3500 HD Catalytic Converters, tested and validated by GMC Sierra 3500 HD for fit, form and function.
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GMC Sierra 3500 HD CONVERTER ASM-W/UP NOX CTLTC (W/ FLTR)Part Number: 84235516
Converter Asm-Warm Up Nitrogen Oxide Catalytic (W/ Filter)
Replaced By: 84362533
Fits the following GMC Sierra 3500 HD Years:
GMC Sierra 3500 HD CONVERTER, Catalytic ConverterPart Number: 15225140
Converter Asm-3Way Catalytic (W/ Exhaust Manifold P