5 0 Volvo / Mack MP8 / D13 Engine Oil Cooler $200 USD Used 2020 Mack MP8 Oil Cooler Housing , Removed from 2020 Mack MP8 , OEM , Work for both MP8 and D13 Engine , P/N: 21420521 , Visit our Site for more Parts :,... ConditionUsedPart Number21420521 MLS Number13547373CategoryEngine Oil Coolers Last Updated4/30/2025 LocationMineral, VA, US Sold ByInside Auto Parts (888) 693-___ SHOWNUMBERCall Seller Email Seller Save More Info