6 0 Blue Bird Alternator $300 USD Quality used alternator for a Cummins 8.3L engine and various others, backed by our standard warranty. Brand Name PRESTOLITE, Voltage 12 Product Family 4000 Series, Neg Stud... ConditionUsedStock Number30J-4975-STK MLS Number13413925CategoryAlternators Last Updated8/21/2025 LocationBig Lake, MN, US Sold ByQuality Bus and Truck Parts (844) 580-___ SHOWNUMBERCall Seller Email Seller Save More Info