New Aftermarket fits CAT PUMP-PRIMING 1052508, 4W0788, 4N2511, 6N6800 1052508 Made to fit CAT (1052508 Caterpillar) Meets OEM Specs for Fit and Performance This is a new item 1052508 PUMP-PRIMING 1052508, 4W0788, 4N2511, 6N6800 Items are sold by part number only. Picture is for illustration purposes and the part or parts may be different in color or quantity. Use of any OEM manufacturer name is not intended to represent any relationship between the two companies, instead it indicates that we sell replacement parts that are compatible with OEM components.