A Cover, Case, or Housing refers to parts covering and protecting larger components of your model, such as the Clutch, Deck Belts, Transmissions, or Controls. These can be synonymous with a Mower Deck Shell, Scabbard or more specific components to your model. A cover can be made of hard plastic or metal. Some covers can wear down over time from collisions or lage debris, and it is important to replace if needed for user safety and the protection of parts from debris and chemicals. Replaces Part Numbers: 746-0883, 946-0883 Fits Craftsman, Arnold, MTD, Troy-Bilt, Yard Man, Bolens, Murray, Remington, Yard Machines, Fits Lawn Mower Snow Blower Fits Lawn Mower Snow Blower ，Compatible Models , 247376381, 247379790, 247381091, 247388240, 247376380, 24788346, 247370350, 247371060, 247385010, 247370330, 247371081, 247372900, 247375590, 247375770 Fits Models: 140 Yard Machine, P418, 321R, 421R, 521E, 521R, 721E, CC949, CC94M, CC98, CC989, CC98H, CC98M, CC997ES, CC99M The picture shows that the front and back are not two goods. Replaces Part Numbers: 746-0883, 946-0883 Fits Craftsman, Arnold, MTD, Troy-Bilt, Yard Man, Bolens, Murray, Remington, Yard Machines, Fits Lawn Mower Snow Blower (Without Cable) Compatible Models , 247376381, 247379790, 247381091, 247388240, 247376380, 24788346, 247370350, 247371060, 247385010, 247370330, 247371081, 247372900, 247375590, 247375770 Fits Models: 140 Yard Machine, P418, 321R, 421R, 521E, 521R, 721E, CC949, CC94M, CC98, CC989, CC98H, CC98M, CC997ES, CC99M