View 1 Photo View 0 Videos 2004 Isuzu WT5500 Engine Oil Pump for a GMC WT5500 Newly Listed Contact for price Oil Pump, Good Condition, Call DTI Trucks For more information and a shipping quote. ConditionUsedFits To Make(s)GMCFits To Model(s)WT5500Stock Number79233 MLS Number14102776CategoryEngine Oil Pumps Last Updated1/21/2026 LocationWheat Ridge, CO, US Sold ByDTI Truck Parts (833) 614-___ SHOWNUMBERCall Seller Email Seller Save More Info