High-quality Bosch diesel oil pump with MOUNTING GASKET. Application: T444E ESN Range:  661,894 to 843,989 Core deposit: $325.00 each diesel pump Cross references: 1830857C91, 2503704C91 Cores must be returned in 45 days in order to collect full core credit. Check our core/return policy here. Warranty: Twelve (12) months. Check our Warranty policy *THE WARRANTY ON OUR NEW PRODUCTS IS SUBJECT TO THE MANUFACTURER/PROVIDER OF THE PRODUCT. (DELPHI, BOSCH, DENSO, ALLIANT POWER, DAP)*** Free Shipping in all orders!