This product is covered by a full OE Quality Warranty This part matches Original Equipment (OE) quality specifications which means that it is at least as good if not better than the original part the manufacturer supplied the car with. Premium cores and precise OE assembly benchmarks Design to meet the grueling heat and electrical requirements First Time Fit provides perfect mounting with no belt/pulley alignment issues Service professionals preferred DENSO's alternators for a trouble free solution OE-quality fit, appearance, and durability