2 0 2015 Cummins ISX15 Engine Mount for a Peterbilt 579 $182 USD (USED) Cummins ISX15 Cast#: 4264AA Mount: REAR ENGINE LEFT REAR ENGINE MOUNT ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Stock Number25062172 MLS Number10986822CategoryEngine Mounts Last Updated6/20/2025 LocationDes Moines, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info