0 0 2020 Peterbilt 579 Oil Cooler Recently Updated $2,500 USD (USED) Peterbilt 579 Hieght: 18.5 Width: 23 Thickness: 8 Ref# SL PARAGON HYDRAULIC OIL COOLER, MODEL "SL" ConditionUsedFits To Make(s)PeterbiltFits To Model(s)579Part NumberSLStock Number25858411 MLS Number13793421CategoryOil Coolers (Equipment) Last Updated11/1/2025 LocationSpencer, IA, US Sold ByVander Haag's Inc. (855) 370-___ SHOWNUMBERCall Seller Email Seller Save More Info