SERVICE Small Engines & Parts. Contact An Equipatron Pro for Help. Be sure to include in your message your engine or equipment model & type number.Commercial/Professional Use or Bulk Orders. The item "Genuine MTD 918-04376B Transmission Assembly-Self Propelled" is in sale since Monday, April 6, 2015. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Lawn Mowers\Lawn Mower Parts & Accessories". The seller is "equipatron" and is located in Grafton, Wisconsin. This item can be shipped to United States.