The Eaton Draw-Key, part number 820588, is a differential hardware component used in heavy-duty axle assemblies. This part is sold individually and cross-references to SP820588, ETN820588, 2719-820588, and ZBP0820588, making it straightforward to match against existing purchase records or OEM documentation. The draw-key fits within the differential assembly and is a direct Eaton part available from Pro Gear and Transmission. Call us to confirm the correct fitment for your specific axle or differential configuration before ordering.FeaturesEaton part number 820588, also referenced as SP820588 and ETN820588Cross-references include 2719-820588, 2719820588, ETN820588, ZBP0820588, SP 820588Draw-key design for heavy-duty differential assembliesSold as an individual pieceGenuine Eaton differential hardware from Pro Gear and Transmission