3903003 MTD Tiller - Parts

The flange sleeve bearing, also known just as the bearing, is sold individually, and assists the tine shaft rotation on your tiller by reducing friction between the moving parts and securing their positioning. Because of this function, this part can wear easily and requires regular replacement. This part is OEM, black in color and made of...Read more metal. If the shaft becomes loose within the tiller housing, and you notice noise coming from it, it is likely that you need to replace this bearing. Most customers rated this as a moderately easy repair, which requires a screwdriver, pliers, a socket set, wrench driver, and nutdriver.

This OEM dust cap prevents dust from entering the shaft and surrounding area of your tiller. This part is black, sold individually, and made out of plastic. Due to damage from ongoing use, this part can become broken or get knocked off entirely and go missing, which you will notice, as it attaches to the outside of the tiller gear housing...Read more. This is an easy repair that only requires a hammer to make. Please note that you will need to purchase a rubber seal alongside the dust cap when making this repair, part number 921-0175.

The bearing seal, also known simply as the seal, is a special seal for the bearings in your tiller. It attaches in the tiller housing, with the bearing and shaft, and over time it can become damaged due to fatigue and general wear. This part is made of rubber, is black in color, and is sold individually. Repairing the bearing seal will ...Read moregenerally be a medium-difficulty job, one that requires a screwedriver, socket set, wrench set, and hammer.

This authentic OEM bearing measures 0.62 inches inside diameter, and 1.38 inches outside diameter, and is 0.436 inches thick. Silver and balck in color and sold individually, the bearing is comprised of steel and rubber. This bearing allows the input shaft to rotate freely inside the gear box, and over time can become worn or damaged. Y...Read moreou will know your bearing is damaged if it is making a growling, grinding, or squealing sound. This is an easy repair, and requires a bearing puller tool to carry out. Locate the bearing inside the gear box on each end of the input shaft, ensuring you have confirmed this is the part you need by verifying your model number or using your owners manual.

This clutch control cable is an OEM part made to be used with your garden tiller. Its function is to engage the clutch in order to drive the tiller. This part is black and silver in color, composed of metal with a rubberized coating, and it is sold individually. Over time, this part can snap or break due to regular use, and when this occu...Read morers, the clutch will not function properly when applied, meaning you will no longer be able to control the drive of your tiller. Replacing this part is easy, however, and only requires a pair of pliers.

This is a genuine manufacturer-sourced replacement throttle cable which is specially designed for use with MTD tillers. It is connected to the carburetor and it stops the engine when you shift the lever to the full choke position, over time it may wear out and break eventually requiring a replacement. This high-quality metal throttle cabl...Read moree is sold individually, please note the housing, the trigger, and the hardware are all sold separately.

This 8-oz multi-purpose grease is an OEM replacement lubricant formulated for use in gear cases, transmissions, and chain cases on outdoor power equipment. It helps reduce friction and wear in high-load moving parts, supporting smooth operation and extending component life. Supplied in a convenient tube for easy application, it is an idea...Read morel choice for routine maintenance when servicing gearboxes, transaxles, or drive components that require consistent, heavy-duty lubrication.

The air valve attaches to the wheel and is made of a durable material. This is a genuine MTD, Ryobi, Yard Machines, Bolens, Troy-Bilt, and Yard Man part sourced directly from the manufacturer for use in chippers, shredders, cultivators, edgers, lawn tractors, snowblowers, and trimmers. Keep in mind that this part is sold individually. Whe...Read moren replacing this item a set of pliers might be required during the installation process. It might wear out over time and will need replacing.

This part is an OEM from MTD for use with Tillers. The forward drive control cable engages the transmission to propel the tiller forward and rotate the tines when the bail arm is pulled toward the handle. The most common reason for replacing the forward drive control cable is if there is no drive, the drive is slipping or there is a Burni...Read moreng smell. This part is sold individually. The tools that you will need to replace the forward drive control cable are pliers and a screwdriver.

This spring-governor is an OEM part which is made for MTD and Yard Machines lawn tractors. It is designed to apply tension on the connected parts. Over time it may wear out, stretch or get lost eventually requiring a replacement. It is made of a high-quality metal and is sold as an individual component. To ensure the proper repair procedu...Read morere, refer to the appropriate diagrams for your model. Pliers might be needed to secure and remove this hardware.

This forward drive engagement cable connects the control lever to the tiller’s drive system, allowing the operator to engage and disengage forward movement smoothly. It helps control starting, stopping, and consistent drive operation during use. Ideal for replacing a stretched, frayed, or non-responsive cable, it restores proper forward drive control and reliable tiller performance.