Parts for Mtd 21AB45M5099: Gear Case Parts

Tiller won't turn soil or tines not rotating? This shaft assembly provides the mounting point for tines. Moderate DIY repair for most tillers.

Wheel drive shaft assembly for rear-tine tillers. Connects the drive system to the wheel axle. Replace if bent, damaged, or worn to restore proper wheel mounting.

Tiller won't move or wheels slip? This sprocket assembly connects gears to wheels for proper drive function. Replaces damaged or broken sprockets.

Tiller won't move or wheels slip? This wheel sprocket assembly restores drive power to your rear-tine tiller. Moderate DIY repair with basic tools.

Hex cap screw for securing components on lawn mowers, tractors, and outdoor power equipment. Replace if stripped, rusted, or missing hardware.

This durable metal screw is designed to be used on many types of lawn and garden equipment, such as lawnmowers and snowblowers. The screw can be used to attach different components together so they stay stable and connected to ensure the equipment works correctly. It can be used on a variety of materials including metal, plastic, bricks, and wood. If the screw needs to be replaced, a visual inspection will indicate that. Screws often become damaged over time or can even break. Some screws also become stripped and no longer do what they are intended for. A hex wrench can be used to remove this screw from the machine so the new one can be installed. After installing the replacement screw, it should be tightened to ensure the materials it brings together are kept flush.This screw is made for use with lawnmowers, snowblowers, chipper shredders, and lawn tractors manufactured by MTD, Yard Machines, Yard-Man, and Troy-Bilt. It is sold as an individual part. This is an authentic OEM replacement part that is sourced directly from the manufacturer. A hex wrench may be needed for the replacement.

Hex head self-tapping screw for outdoor power equipment. Securely fastens components throughout your machine. Replace if missing, stripped, or worn.

This replacement part is an input shaft. It extends from the front of the transmission and carries the drive from the engine. This allows the user to operate the machine properly during use. A new input shaft might be needed if the current one is no longer working. If the engine is struggling during use, it might be time to replace the input shaft. Be sure to wear work gloves when working with the engine to ensure safety during use. This is a genuine replacement part made by MTD. It is an OEM replacement part which will ensure a proper fit. This part is sold individually.

Hex nut for lawn tractors, tillers, and riding mowers. Secures various components and assemblies. Replace if stripped, corroded, or missing.

Flange lock nut secures components on mowers and outdoor power equipment. Replace if stripped, corroded, or missing to restore proper fastening.

Snap ring fastener for lawn mowers and outdoor power equipment. Secures components on shafts and axles. Replace if worn, broken, or missing.

Fix a tiller that won't engage or disengage properly with a new clutch collar. This component ensures smooth clutch operation for reliable tilling performance.

Tiller won't move forward or gears are slipping? This spur gear drives the input sprockets inside the gear case. Common fix for transmission issues.

Tiller not moving forward or reverse? A worn gear spur disrupts power transmission. This internal gear keeps your tiller's drive system working smoothly.

If your tiller has grinding noises or won't engage properly, this 44-tooth spur gear restores smooth power transmission. Moderate DIY repair.

Replace your tiller's worn spur gear if you're experiencing power loss or grinding noises. This small gear connects internal components to transfer energy.

Replace your tiller's 1-inch shaft seal to prevent oil leaks and protect transmission components. Essential maintenance part for smooth operation.

Replace your tiller's 0.75-inch shaft seal to prevent oil leaks and maintain proper lubrication. Essential for reliable operation. Confirm fit with your model.

Compression spring for rear-tine tillers. Replaces worn, broken, or missing springs in the drive assembly. Essential structural component for tiller.

Flat washer for outdoor power equipment. Installs as a fastening component with other hardware. Replace if washer is missing, worn, or damaged.

Loose or missing hardware causing vibration or rattling? This 7/16 lock washer secures critical components on lawn tractors and riding mowers.

Flat washer for lawn tractors and outdoor power equipment. Increases screw bearing surface area. Replace if worn, damaged, or missing during repairs.

Flat washer for lawn tractors and garden equipment. Distributes load under bolt heads and prevents surface damage. Replace if worn or missing.

Flat washer for lawn tractors and tillers. Replaces worn, missing, or damaged washers in various assemblies. Essential hardware component.

Replace a bent, damaged, or broken tiller shaft causing poor tilling performance or unusual vibration. Direct fit for multiple rear-tine tiller models.

Jack shaft for rear-tine tillers. Connects and transfers power between components. Replace if bent, worn, or damaged to restore proper operation.

Sealed ball bearing reduces friction between fixed parts and rotating shafts. Replace if you hear grinding noise or notice wheel wobble. Verify fit.

Tiller bearing supports rotating components and reduces friction. Replace if you notice grinding noise, wobbling, or rough operation. Verify fit with your model.

Replacement bearing for rear-tine tillers. Install when you notice wobbling, noise, or rough rotation. Verify fit with your model number before ordering.

A ball bearing is a rolling element bearing that uses balls to maintain the separation between the bearing races. This part is designed for use with outdoor lawn and garden power equipment such as snowblowers, chippers, shredders, and tillers. It is compatible with products by brands such as Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, and MasterCut.The ball bearing part is crucial because its purpose is to reduce rotational friction while supporting radial and axial loads. Without functioning ball bearings, valuable outdoor equipment would fall apart and quickly stop working. That is why it is important to get any ball bearings replaced if they are worn out or malfunctioning.This ball bearing is made out of metal. The ball bearing is an original OEM part sourced directly from the manufacturer, MTD. It is sold individually.

This ball detent is a genuine MTD replacement part for appliances operated by small engines, including lawn tractors, lawn mowers, snowblowers, leaf blowers, chipper shredders, and tillers. The function of a ball detent is to temporarily keep two parts in place relative to one another, as one or both of the parts rotate.A ball detent might have to be replaced in the event that it suffers damage over time or is lost or misplaced. It is possible for ball detents to fall out of their spot, meaning that the parts that it ordinarily holds in place will not be able to rotate properly. Additionally, a ball detent might have to be replaced if there is material deterioration. If this occurs, a replacement ball detent part should be ordered and secured to the small engine appliance immediately. Remember to always wear gloves when handling, repairing, and operating outdoor equipment. This ball detent is compatible with the following brands: MTD, Yard Man, Yard Machines, and Troy-Bilt.

Replacement spacer for lawn tractors and tillers. Maintains proper clearance between components. Order a new spacer if yours is missing or damaged.

This part is a replacement spacer. This is a genuine OEM part made by MTD and has been sourced directly from the manufacturer. This part can be used to replace a defective or worn-out spacer in a variety of tiller models. Spacers help to ensure that there isn't excessive heat, friction, or vibration caused by moving components within the tiller. They are particularly subject to wear and tear over time or with regular usage, and thus may need to be replaced with a genuine OEM part. When working on or near an engine, it's important to ensure that the equipment is powered off and completely cool before beginning any repairs. For more accurate information on how and where to place this spacer, the appropriate owner's manual and equipment diagrams should be referred to. As an authentic replacement part, this spacer is suitable for use on tillers that have been manufactured by MTD, Craftsman, Troy-Bilt, and other brands. Please note that this is a genuine part made of high-quality, durable metal and is sold individually.