Compatibility: The rear main seal installer tool fits for John Deere 4045 Engines, 5075E & JD models (820 3cyl.) · Replace Part Number Part Number: JT30040B JT30040 ST-218 KCD10002A JT30041A JT30042 Application Models: Compatible with standard flat housing rear seals AR92893 AT22965 RE11036 RE17831 RE24959 RE35885 RE44574 DZ111672 RE524227 RE537070 The tool is designed to prevent damage to the seal and sleeve, and to ensure a proper fit and seal. MaXpeedingrods JT30040B Crankshaft Rear Main Seal Installer Tool For John Deere 4045 202 219 239 329 359 414 Engine Replace Jt30040 St 218 Kcd10002a 27f9e4f3 F5f5 4812 966e E57ab90840bb.21598bb387ede2962a77479251485185 Wide Application:The Tool Fit for 4045 Engines, 5075E & JD models (820 3cyl.) · Function:replace for part number Compatible with 4045 Engines, 5075E & JD models (820 3cyl., ) (830 3cyl. The locator helps to align the seal and sleeve with the crankshaft, the installer presses them into place, and the handle provides leverage and control. John Deere Kcd10002a Replacement John Deere Jt30040b Specs Rear Man Tool Jt30040b Fts J D 202 Function: The tool kit is used to install the rear seal and wear sleeve on the crankshaft of some consists of a locator, an installer, and a handle.