Parts for Mastercut 12A-378M301 / 1997: Idler Bracket Amd Shaft Assembly Parts

This spring washer has a conical shape with an open center. It has a shape like a traditional washer but is smaller than a typical coiled spring. These washers can handle a larger load than a coiled spring and are used in lawn and garden equipment to cushion heavy loads. Over time, these washers can experience wear and tear which will lead to damage or breakage. When this occurs, the spring washer will need to be replaced.Visually inspect the spring washer for damage like scratches, breaks, and dents. If these occur or the washer is warped, it needs to be replaced. The process involves removing the nut or screw above the washer with a screwdriver or other tool. After accessing the spring washer, it can be removed and a replacement part can be added to the equipment. Reassemble the parts and the equipment should work again.This is a genuine OEM spring washer replacement part that is sold individually. It's sourced directly from the manufacturer. It is compatible with lawnmowers, wood chippers, snowblowers, log splitters, tillers, chainsaws, string trimmers, and edgers by Craftsman, MasterCut, Toro, Turf King, Cub Cadet, Yard-Man, Ryobi, Bolens, Husky, Montgomery Wards, Murray, Huskee, Yard Machines, and MTD.

This grease plug is a genuine OEM replacement part sourced directly from the manufacturer. It is found on snowblowers and other outdoor yard machines on the gearcase assembly, which houses the auger gear. The grease plug seals the oil port on the gearbox. This keeps lubrication inside the gearbox and is the access point for adding more when needed. If this plug is lost, the gearbox's oil could leak out, and contaminants could get into the gearbox.Lubricate the contents of the gearbox before installing the new grease plug. Locate and remove the two screws on the side to drain the gearbox. Install the grease plug in the bottom. Refill the oil using the vent hole. Continue filling until oil is coming out the top side screw. Close everything back up, and the machine is ready for use. To prepare the equipment for long storage, remove the grease plug and check the oil level. If it is not to the top, add more lubricant before sealing the grease plug.This grease plug is made of durable black molded plastic and is sold as an individual unit. It is compatible with snowblowers and snow throwers manufactured by Ryobi, MTD, Yard Machines, Troy-Bilt, Bolens, Yard-Man, Cub Cadet, and Husky.

This is a replacement lawn mower transmission supplied directly from the manufacturer. The lawnmower transmission rotates the axle, which will move the wheels and propel the mower forward. The transmission may need to be replaced if it locks up, or if the mover won't move forward as it should.A pair of pliers, drill with a bit set, a socket wrench and nut driver set will be needed to replace this part. Start by disconnecting the spark plugs, then remove the drive cover, fuel tank cap, driver's screws, top, and bottom. Now the drive cover will come off. Remove the ground drive belt. Release the drive control cable from the lever. Take off the front wheels, and then the broken transmission can be removed. Install the new transmission assembly and reinstall the parts in reverse order. This lawnmower transmission is a genuine OEM replacement part. It is designed to be used with Craftsman, Troy-Bilt, Cub Cadet, MTD, and Yard-Man.