6 0 Caterpillar 3126 Water Pump $85 USD Caterpillar 3126 Water Pump, P/N 1878957. All Used Engine Parts Sold With a 30 Day “Parts Only†Warranty. In The Event Of Failure, The Used Engine Part Will Be Replaced Or A Refund... ConditionUsedStock Number4538974 MLS Number13892117CategoryWater Pumps Last Updated10/16/2025 LocationFresno, CA, US Sold ByGarabedian Equipment (855) 794-___ SHOWNUMBERCall Seller Email Seller Save More Info