Parts for Mtd 663: Deck "H" Parts

Spindle assembly with pulley for lawn tractor mower decks. Mounts to deck underside to support and spin blades. Replace if cracked, worn, or damaged.

Hex bolt fastener for lawn mowers and outdoor power equipment. Replace this bolt if cracked, stripped, or missing to secure engine and frame components.

Hex screw for lawn mowers and outdoor power equipment. Replaces lost, stripped, or damaged hardware. Secures components and panels during assembly.

Hex screw that secures components on lawn tractors and outdoor power equipment. Replace if screw is stripped, missing, or damaged during maintenance.

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

Replace a damaged, stripped, or missing hex screw on lawn mowers, tillers, or snowblowers. This fastener secures panels and components together.

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 woodworking, machine assembly, and mechanical repair. The screw is 3/4 long and has a thread size of 5/16 -18. A hex cap screw is installed into tapped holes by turning the head to fit and tighten. This is the fastener of choice in applications where tight tolerance is necessary. This is a genuine factory part sourced from the manufacturer and is sold individually. It can be used with Craftsman, Toro, Cub Cadet, Ryobi, Troy-Bilt, Murray, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, and MasterCut brands of lawn maintenance equipment including lawn mowers, snowblowers, tillers, leaf blowers, log splitters, and wood chippers.

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.

Belt guard pin secures the protective cover over drive belts on lawn tractors and mowers. Replace if bent, broken, or missing to maintain safe operation.

This hex nut is designed for use with select trimmers and mowers. It is a standard hardware part that may have multiple applications depending on the type of unit and model. The nut is typically used to secure engine components or housing elements to provide safe use of the machine. These nuts are durable, but they are small and can become lost during other repairs. The constant exposure to vibrations and use can also cause them to strip or become damaged over time. Either way, a replacement with this genuine hex nut will resolve the issue and get equipment back in working order. This genuine OEM hex nut is manufactured to exact standards and sourced from the manufacturer. It can be used with trimmers and mowers from RYOBI, MTD, Bolens, Troy-Bilt, Yard Machines, Huskee, Yard Man, and Cub Cadet. Check the parts diagram for exact application and location of this nut and note that it may have multiple uses on select models. This hex nut is sold individually, and additional nuts will require the purchase of multiple pieces. In order to replace this nut, a hex socket wrench and driver will be required. Always wear gloves for safety.

Center hex nut for lawn mowers, snow blowers, and tillers. Secures blade assemblies and drive components. Replace if stripped, corroded, or missing.

This is an internal snap ring that can be found in many types of lawn and garden equipment. It is located between the spacer and bearing and is made of durable metal. The ring holds items steady and has an exposed area that functions like a shoulder to keep the assembly in place. Over time, the internal snap ring can become damaged through wear and tear or corrosion. It can also break and will no longer operate the way it should.If the internal snap ring is broken, corroded, or damaged, it will need to be replaced. Make sure the equipment is turned off and placed on a flat surface for the replacement process. A pair of snap ring pliers will be needed to remove the original internal snap ring. There is a plastic wheel cap located on top of the snap ring that needs to be removed first.This internal snap ring is an authentic OEM replacement part that is sourced directly from the manufacturer. It is sold as an individual part. The snap ring is compatible with lawnmowers, chainsaws, and snowblowers manufactured by Yard-Man, Montgomery Wards, Huskee, MTD, Yard Machines, Troy-Bilt, and Cub Cadet.

Extension spring for lawn tractors and riding mowers. Replaces cracked, broken, or missing springs. Installs on various linkage and control mechanisms.

This replacement part is a spring. Springs ensure that certain components are held in place.A new spring might be needed if the current one is missing or visibly damaged in any way. It is possible that springs can snap over time due to the amount of pressure they experience during use. If a spring has become loose and no longer holds tension, it may no longer work in the way that it's needed. Be sure the engine is turned off during this repair.This is a genuine OEM replacement part manufactured by MTD. This part is sold individually.

Flat washer for lawn mowers and garden equipment. Distributes load when fastening parts together. Replace if missing, broken, or worn to prevent damage.

Bell washer for lawn mowers and tractors. Installs to secure components and prevent loosening. Replace if cracked, worn, or missing for proper assembly.

This is a replacement bell washer, a flat washer that can be used with a wide range of various types of lawn and garden equipment. The inner dimension of this washer is 0.40 inches, while the outer dimension is 0.88 inches. Washers are typically used as a way to help ensure a tight connection when used with bolts or screws. They will also help to distribute the pressure of the connection and reduce the risk of corrosion. Washers will also provide some protection from damage during installation. Washers could need to be replaced for any number of reasons. In some cases, they might have become corroded or worn down over time. This could mean they no longer provide a solid and secure connection. Other times, the washer could become lost while working on the machine. Owners should always be sure that they replace any lost or damaged washers right away. Not using washers can reduce the lifespan of the machine. This is a genuine OEM bell washer that is sold individually. It is typically used in lawn mowers, snowblowers, tillers, leaf blowers, string trimmers, log splitters, wood chippers, edgers, and chainsaws. It is compatible with Craftsman, Cub Cadet, Ryobi, Troy-Bilt, Husky, Murray, Yard Machines, MTD, Huskee, Montgomery Wards, Bolens, Yard-Man, Turf King, and MasterCut brands.

Shield spacer for lawn tractors and riding mowers. Provides proper spacing between shield components. Replace if damaged, worn, or missing during repairs.

Ball bearing prevents friction between moving parts in lawn equipment. Replace if worn or damaged to restore smooth wheel or pulley operation. Verify fit.

If your lawn tractor leaves uncut grass or cuts unevenly, this mowing blade restores clean cutting performance. Direct replacement for worn or damaged blades.

Shield spacer for lawn tractors and riding mowers. Provides proper spacing and alignment for protective shields. Replace if missing, damaged, or worn.

Replacement spacer for lawn mowers and tractors. Installs between components to maintain proper spacing. Replace if worn, damaged, or missing.

Drive belt for lawn tractors. Replace if worn, cracked, or slipping to restore proper power transmission. Verify fit with your model number.

Double pulley drives deck belt rotation for blade operation. Replace if worn, cracked, or causing belt slippage. Verify fit with your model number.

A flat idler pulley is a crucial piece of hardware designed for use with many different models of lawn mowers and snowblowers. It is compatible with products by brands such as Craftsman, Yard Machines, Yard Man, MTD, and Troy-Bilt.The flat idler pulley part is crucial for the proper functioning of the lawn mower because it connects to the idler bracket. The purpose of the flat idler pulley is to apply tension to the v-belt. The replacement process of the flat idler pulley will require a wrench.This flat idler pulley is made out of metal. It is sold individually. The flat idler pulley is an original OEM part sourced directly from the manufacturer, MTD.

Protects and houses the deck drive belt on your lawn tractor. Replace if cracked, broken, or missing to prevent debris damage. Verify fit with your model.

Hex cap screw fastener for outdoor power equipment. Secures components with hexagon-shaped head. Replace if stripped, broken, or missing threads.

Secures hinged components on lawn tractors and outdoor power equipment. Replace if bent, worn, or missing to restore proper hinge function and stability.

Replace worn spring bell washers causing loose parts or rattling noises. This conical washer cushions heavy loads in lawn equipment. Simple DIY fix.

This replacement part is a torsion spring. This is a genuine replacement part made by MTD. This particular spring is found in riding lawnmowers and is responsible for connecting and controlling different parts within the engine.A new spring might be needed if the current spring is missing. If the spring is snapped it should also be replaced as soon as possible. The repair for this part should be fairly simple and only require common household tools. Be sure to wear work gloves during this repair to prevent injury. This part is sold individually and is sourced directly from the manufacturer. This part is a genuine OEM replacement part to ensure proper fit.

Complete discharge chute assembly for lawn mower decks. Directs grass clippings away from deck. Replace if cracked, broken, or missing. Uses existing hardware.

Spacer component for lawn tractors. Installs to maintain proper clearance between mechanical parts. Replace if cracked, worn, or missing.

Secures components on lawn mowers and tractors. Replace this hex nut if stripped, corroded, or missing to properly fasten attachments and assemblies.

This carriage bolt is a self-locking bolt designed to be used in an unthreaded square or round hole. These bolts are used in outdoor lawn and garden equipment due to their ability to handle heavy weight loads.Carriage bolts are often used to join lawnmower handles to the base of the mower. Over time, the vibration of the lawnmower may cause the bolt to become loose. During routine maintenance, if the bolt is loose, use a wrench to tighten the nut holding the bolt in place. If the bolt is missing, this carriage bolt replacement can be installed. Push the bolt through the hole; if the fit is snug, it may need to be lightly tapped. Once the bolt is through the other side, thread a nut on the bolt. Tighten the nut with a wrench.This is a genuine OEM part sourced directly from the manufacturer. It is sold as an individual unit and does not come with the nut. This carriage bolt is designed for lawnmowers, snowblowers, and other outdoor lawn and garden equipment manufactured by Bolens, Craftsman, Cub Cadet, Huskey, Troy-Bilt, Turf Pro, MTD, Ryobi, and Mastercut.

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

Deck skirt installs on the middle section of your mower deck to deflect grass clippings and debris. Replace if cracked, damaged, or missing.

Protective deck skirt that shields mower blades from objects and deck contact. Replace if cracked, broken, or missing to prevent blade damage.

Connects headlight wiring to enable on/off control. Replace if lights fail, wires are damaged, or connections are corroded. Confirm fit with your model.