View 4 Photos View 0 Videos Caterpillar 3126 Engine Oil Pump for a Unmarked N/A $25 USD 3126 Oil Pump, Core, P/N 189-8777. CORE UNIT SOLD AS-IS ConditionUsedFits To Make(s)UnmarkedFits To Model(s)N/AStock Number4541773 MLS Number13898272CategoryEngine Oil Pumps Last Updated4/3/2026 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info