ACDelco 1581787 HVAC Blower Motor. ACDelco Blower Motors Permanent magnetic type Permanently lubricated, self-aligning bearings for dependable performance ACDelco Blower Motors Permanent magnetic type Permanently l. We are unable to guarantee a specific carrier. This means orders may arrive in multiple boxes or at different times. We respond within 24 hours and will provide you with all the simple information to send back your items. We pride ourselves in a simple return process. MAKE SURE YOU CHOOSE. AS THE RETURN REASON. Please contact our team and notify them the item is lost, stolen or missing. You will be asked to sign a legal affidavit and we will then process the claim. We will not process any lost, stolen or missing claims without a signed legal affidavit proving the item(s) were in fact lost, stolen or missing. If your item is found within the claim period, you will not be awarded the claim as your items have arrived. Any falsification of documentation can lead to further legal action.