Part (heater blower motor) arrived with broken pla...

Part (heater blower motor) arrived with broken plastic fan wheel. Shipping box was OK so likely due to inadequate packaging to protect surrounding plastic component attached to heavy motor. RockAuto provided free FedEx return label for entire part but would have been better to return just the broken plastic component. Replacement part arrived quickly but with broken plastic attachment flange, again apparently due to inadequate packaging. This time no replacement part is available so I am being charged $6+ to return the broken parts while being issued a refund. Not acceptable business practices.