This GM/Duramax ALLISON TRANSMISSION GENUINE PARTS HUB, C1 drive, A3 PART # 29543359 is a conduit/piping fitting manufactured by GM/Duramax. It connects or transitions between sections of conduit, tubing, or pipe, maintaining a secure and, where required, weather- or liquid-tight joint. It is commonly in OEM equipment and MRO replacement for conduit or piping runs.
