Parts for Mtd 13A878XS099: Mower Deck / Spindle Parts

Fix uneven cutting or blade wobble with this lawn tractor spindle assembly. Includes mandrel, shaft, and pulley for smooth blade rotation and clean cuts.

Brake bracket assembly for lawn tractors. Fixes brake pedal issues and ensures proper brake engagement. Essential safety component for reliable stopping power.

This part is a right-hand brake assembly bracket that is used on lawn tractors. The brake assembly is the component that stops the blade from moving.A new right-hand brake assembly bracket may be needed if the existing bracket is cracked, broken, dented,

Hex screw for lawn mowers and garden equipment. Replaces cracked, stripped, or missing hex head bolts. Six-sided head fastens metal or wood components.

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

There are multiple uses for the 5/16-18 Hex Screw. It is often used with small gasoline-powered yard equipment such as lawn and garden machines. While hex screws such as these may be used in edgers and snowblowers, the most frequent use this screw is in y

Hex screw fastener for securing lawn mower components. Replace if stripped, rusted, or missing to ensure proper assembly and equipment stability.

Replace the hex screw in your lawn tractor or riding mower. Used to secure various components throughout the machine. Order a new screw if damaged or lost.

This OEM screw is a fastener with a trimmed six-sided or hexagonal head plus a washer face on the bearing surface. It is one of the most commonly used fasteners. Considered standard hardware, this component has multiple applications and can be used on woo

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 c

Hex bolt for lawn tractors and riding mowers. Secures structural components and attachments. Replace if stripped, rusted, or missing for proper assembly.

Carriage bolt for riding mowers and lawn tractors. Secures deck components and structural parts. Replace if bolt is stripped, broken, or missing.

Replace a missing, damaged, or worn push nut on your lawn tractor or riding mower. This fastener securely holds parts in place during operation.

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

This is a flanged lock nut. It’s designed to apply tension, typically on a joint that needs to have a certain amount of flex. As such, it’s mostly used on snowblower chutes and lawnmower handles. They can remain in place, but with a forgiving connection t

Replaces a stripped, damaged, or missing 5/8" hex flange nut on your lawn mower or snow thrower. Secures blades and other components with integrated washer.

Replacement hex nut for riding mowers and lawn tractors. Secures components together throughout the equipment. Replace when stripped, missing, or damaged.

Split pin fastener for lawn tractors and outdoor power equipment. Secures axles, linkages, and moving parts. Replace when bent, missing, or corroded.

Deck height adjustment gear for lawn tractors and riding mowers. Replaces broken or worn gears that control cutting deck position and leveling.

Extension spring manages component placement through tension on lawn tractors. Replace if stretched, broken, or losing tension. Verify fit with your model number.

This torsion spring is an authentic OEM replacement part sourced directly from the manufacturer. It is used to hold the idler pulley securely against the belt so that the belt can turn. Over time, the torsion spring may become worn and not function proper

This lock washer is used frequently for a number of applications on power yard equipment. The size, 5/16, is the default for many small engine housing and manifold applications. Lock washers are used with machined bolts to fasten engine blocks to the hous

This part is a replacement screw. 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 broken, stripped, or misplaced screw in outdoor power equipment. Screws are critical for holdi

Shoulder spacer for lawn tractors and riding mowers. Installs to maintain proper component spacing. Replace if cracked, worn, or missing.

Shoulder spacer for lawn tractors and riding mowers. Installs between moving parts to reduce friction. Replace if worn, cracked, or missing.

This is a two in one blade that can be used as a lift blade to bag clippings, as well as a side discharge for clippings. It is time to consider replacing this blade when there are uneven or even missed areas of cutting or bagging when using the mower. It

Front deck lift rod for lawn tractors and riding mowers. Connects mower deck to lift mechanism. Replace if bent, damaged, or corroded for proper operation.

Fix a deck that won't lift or adjust properly. This pivot cup lets the lift arm move freely while staying secured to your mower deck. Easy DIY fix.

This replacement part is a pulley spacer intended for use in different lawn mowers. This is a genuine replacement part made by MTD. Pulley spacers allow the pulley to rotate while providing a gap so that friction does not build up inside the machine and c

Deck spacer that attaches to the mower deck shell to create proper spacing between components and reduce friction. Replace if cracked or missing.

A V-belt is used on riding lawn mowers and yard tractors to turn the blades and the accessories of these power tools. The engine pulley, which supplies power, is connected to the cutting deck pulley, which turns the mower blades, with a V-belt. Over time

This part is a replacement idler pulley. 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 broken idler pulley in a variety of lawn tractor models. Idler pulleys help to guide the engine's drive belt. This part is subject to significant wear and tear over time and may require replacement. Signs that the idler pulley might need replacing include a squealing sound coming from the belt or the pulley being visibly worn. Proper tools are required to install this part. It is always recommended that the appropriate safety precautions are adhered to when attempting to fix any power tools or machinery. For more accurate information on how and where to install this idler pulley, the appropriate owner's manual and included diagrams should be referenced.As an authentic replacement part, this idler pulley is suitable for use on several different models of lawn tractors manufactured by MTD, Troy-Bilt, Yard Machines, Cub Cadet, Husky, and Yard Man. This is a genuine part made of high-quality, durable materials and is sold individually.

Shoulder bolt for riding mowers and lawn tractors. Used as an axle for wheels and deck components. Replace if bent, worn, or stripped from regular use.

Secures and protects the idler pulley on lawn tractors and riding mowers. Replace if cracked, loose, or missing to maintain proper belt tension.

Protects the mandrel pulley on your mower deck from debris and damage. Replace if cracked, broken, or missing to prevent belt wear. Verify fit with your model.

If your lawn tractor's deck belt is misaligned or slipping off, the deck idler bracket may be damaged. This bracket maintains proper belt tension.

Stabilizes your mower deck belt and prevents slipping or excessive friction. Replace if damaged, bent, or missing to keep your belt aligned and running.

Replace your cracked or broken lawn tractor discharge chute assembly. Mounts to the mower deck to direct grass clippings away from the cutting area.

Chute hinge pin for lawn tractors and riding mowers. Secures the discharge chute hinge assembly. Replace if bent, broken, or missing to restore proper fit.

This replacement part is a torsion spring and is intended for use in different types of lawn equipment. This is a genuine replacement part made by MTD. This spring is found in different types of lawn mowers and is able to assist other parts working togeth

Holds the discharge chute securely in place on your lawn tractor deck. Replace if bracket is cracked, broken, bent, or missing to properly mount the chute.

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

Fix wobbling mower blades with this spindle shaft. Common repair for uneven cuts and blade vibration. Moderate DIY with socket set and hammer.

A ball bearing is a common type of rolling-element bearing. It will use balls to keep space between the bearing races and eliminate friction and contact between moving parts. Ball bearings used in lawn and garden equipment ensure that axial loads and radi

5-inch diameter deck roller wheel for lawn tractors and riding mowers. Replaces cracked, worn, or missing deck wheels that support smooth cutting deck operation.