JDG300 6619 & 6531 Rear Crankshaft Wear Sleeve & Teflon Seal Installer John Deere Servicegard Works on 6531 and 6619 engines often found in models 8650, 8640, 8630, 7520, 6030, 5020, 5010 and other industrial and agricultural equipment. Supersedes JDE-68 Includes JDG309 & JDG310. High quality aftermarket tool. This item is in the category “eBay Motors\Automotive Tools & Supplies\Hand Tools\Other Automotive Hand Tools”. The seller is “ts_615″ and is located in this country: US. This item can be shipped worldwide.