; HomeHeavy Duty Truck PartsDifferentials & Differential PartsAxles, Complete RearsEatonOtherUsed 2006 EATON-SPICER EFA20F4 Axle, Complete Rear Used 2006 EATON-SPICER EFA20F4 Axle, Complete Rear Unfortunately this part is temporarily unavailable. View other Eaton Other Axles, Complete Rears