SB-521 (2007) MTD Snow Blower - Parts

This carriage bolt measures 5/16-18 x .75 and fastens two parts in your machine together. It has a round domed head and a square underside so the bolt does not rotate once it has been secured into place. If it has signs of deformation or wear, you will need to replace it. To unthread this bolt, you need an adjustable wrench to loosen the ...Read morenut found on the end of the bolt. You may need to apply a lubricating oil to the bolt if it is stuck. You may need to clamp down on the head of the bolt with pliers while continuing to turn the nut counterclockwise. You can then slide the carriage bolt out of its hole or tap it gently with a hammer. This bolt is a standalone product and the nut is not included. This bolt was sourced directly from its manufacturer.

This is an original replacement part sourced directly from the manufacturer. The screw is commonly found in yard equipment from Craftsman, such as lawn tractors, snow blowers, and edgers. This part is made of metal, and may be found in various locations in the machine, depending on model. Please be aware that there are different screws...Read more used in the machine. Refer to the parts diagram to be sure of ordering the correct part. You will require a wrench when replacing this item. The screw is sold as an individual replacement part.

This nut is a manufacturer-approved replacement part for various lawn and garden equipment. It is sold individually, not as part of a kit or assembly. Also referred to as a Lock Nut, it is resistant to loosening when threaded on a bolt. It has a variety of applications and is used in multiple locations on most models. Please refer to your...Read more owners manual to determine the exact location. While made of durable metal, the ends can round off from improper use of a wrench or socket. Depending on the location, this part may also become worn through regular use of your machine. It should be replaced when visibly cracked, worn or damaged. To complete this repair, you will need a wrench or socket, and a torque wrench. Ensure you torque the bolt according to the manufacturer recommendations. Customers rate this repair as Easy.

Also referred to as a Lock Nut or Flange Lock, this nut is designed for use with various lawn and garden equipment. The purpose of this part is to hold parts in place while resisting loosening when properly threaded. It is sold individually, not as part of a kit or assembly. It is black, made of metal, and is found in a variety of locatio...Read morens. Refer to your owners manual to determine if this is the correct part. This part will need to be replaced when it is weak or broken. The symptoms experienced when this part breaks will depend on its location. You will need pliers to complete this repair. Customers rate this repair as Easy.

This silver metal lock washer helps prevent the nut on the drive belt pulley shaft from backing off during operation, it has a 5/16-inch inner diameter and a 1/2-inch outer diameter. one washer is included, replace it if fatigue or damage allows the connected shafts to spin freely, verify fit using the equipment model or owner manual

This is a genuine replacement part manufactured for use with lawn and garden power equipment. This versatile screw has a flanged hex head and can be used in a variety of applications. The screw is available as an individual replacement part, please see model diagram for part location and usage.

This is an authentic manufacturer sourced replacement part that is specially made for use with lawn mowers and snowblowers. It is the wheel that helps to keep the unit mobile for easy transportation. This wheel is made from durable, high-quality plastic and it is sold individually, please note the hardware to secure it is sold separately.

This genuine component is supplied directly from the original equipment manufacturer for use with Ryobi and MTD lawn and garden equipment. It is a standard hardware which may have multiple applications, please make sure to refer to the appropriate diagrams of your model for the correct location and application of this hex washer screw. Ke...Read moreep in mind this high-quality part is made of durable metal and is sold individually.

This is an authentic MTD replacement part. The chute adjustment spring is designed by the manufacturer for use in snowblowers and snow throwers. This part is made of metal, and is used to provide tension between the lower chute ring and chute adapter. You may require a wrench when replacing this part. This item is sold individually.

The Push Cap Rod is a 1/2-inch metal metal cap which can be easily installed with a hammer and pliers. This manufacturer certified part comes in silver and is made of metal. This cap attaches onto an axle to help the wheel stay attached. If broken, the wheel will fall off and the part should be replaced.