THIS SAW IS ALL OEM MINUS THE CLUTCH COVER. NEW MAIN BEARINGS, SEALS, AND PISTON WERE JUST INSTALLED. IT'S BEEN TESTED AND RUNS AND OPERATES GREAT. THANKS FOR LOOKING AND GOOD LUCK. The item "Stihl ms 440 magnum chainsaw powerhead 044 460 046 461 441" is in sale since Saturday, November 10, 2018.This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Outdoor Power Equipment\Chainsaw Parts & Accs". The seller is "jeffs2008" and is located in Butte des Morts, Wisconsin. This item can be shipped to United States.