Dodge QD Sheave Pulley, model 5GR5V55SD (Dodge part 455335), is a quick-disconnect drive pulley used in belt-drive power transmission systems that rely on the Dodge QD interface. This model, identified by the 5GR5V55SD designation, is sometimes referenced in Dodge catalogs by variant strings such as 5GR, 5V, 5.5-SD, and 5V5.5-SD. Its purpose is to transmit rotational power between a driving shaft and a belt-driven pulley within Dodge QD assemblies.
