This injecor fits the 04-07 DT466 210-255HP ESN 2000001-2999999 It is a reman injector. OE part number for reference is 1842576C93. Removal of these injectors requires the removal of the high pressure oil rail. When reinstalling, a new seal kit is required. P/N AP0025. Alliant Power injectors are warranted for 13 months/unlimited miles. The warranty period commences the day the product is delivered to the original consumer/purchaser. Alliant Power warrants that it will replace, free of charge, any product which, under normal conditions of use and service, proves to be defective in material or workmanship and is within the warranty period. CORE CHARGE: A core charge of $250.00 will be applied to your credit card account, if the core is returned within 30 days you will receive credit. Feel free to call our parts department at 800-891-8038 with any questions.