Parts for Mtd 13AX79ST099: Mower Deck / Spindle Pulley Parts

Spindle assembly with pulley for 46" mower decks. Replacement needed when spindle is broken, cracked, or worn. Includes grease fitting for bearing.

Mounting bracket assembly for lawn tractors and riding mowers. Connects and secures components in place. Replace if cracked, bent, or broken.

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

Deck brake assembly stops mower blades safely when disengaged. Fixes blades that won't stop spinning or take too long to halt. Moderate DIY repair.

Deck won't stop spinning after disengaging blades? This lawn tractor deck brake assembly stops mower deck rotation for safe operation and blade changes.

Complete mower deck assembly for lawn tractors. Includes all necessary components to replace a cracked, damaged, or worn deck housing. Direct replacement.

Metal hex bolt screw for lawn tractors and garden equipment. Replace worn, stripped, or missing fasteners in various assembly locations across the machine.

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

Hex bolt secures the steering segment gear on lawn tractors. Replace if stripped, damaged, or missing to restore proper steering assembly attachment.

5/16-18 hex screw fastener for lawn tractors and garden equipment. Replace worn, rusty, or missing screws on mower decks, frames, and attachments.

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

Hex head self-tapping screw for securing engine housing components on outdoor power equipment. Replace if stripped, rusted, or missing during repairs.

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

Hex head screw for lawn tractors and snow blowers. Secures various components and panels. Replace if missing, stripped, or damaged during maintenance.

Hex screw for lawn tractors and garden equipment. Replaces missing, loose, or deteriorated fasteners in various mounting applications across the machine.

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.

Flanged lock nut for mower handles and snowblower chutes. Replace worn, stripped, or missing nuts that allow controlled flex in joints. 3/8" size.

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.

Secures pins and shafts on lawn tractors and riding mowers. Replace if bent, missing, or worn. Bow-tie design inserts through pre-drilled holes.

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

Nozzle adapter for lawn tractors and riding mowers. Connects hoses or tubes in the fuel or deck wash system. Replace if cracked, stripped, or missing.

If your mower belt is exposed to debris or weather damage, this deck belt cover shields it from impact and extends belt life. Plastic cover snaps on easily.

Extension spring for lawn tractors and garden equipment. Connects axle bracket to drive belt idler pulley for proper tension. Replace if stretched or broken.

Compression spring for riding mowers and lawn tractors. Replace if spring is broken, stretched, or missing to restore proper component tension and fit.

Torsion spring for lawn tractors. Attaches to components to exert force for proper operation. Replace if broken, cracked, or missing.

Extension spring for lawn tractors and riding mowers. Maintains proper tension for smooth engine operation. Replace if worn, stretched, or broken.

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.

Rubber hood bumper installs between hood and dash panel on lawn tractors. Replace if original is cracked, missing, or worn to prevent metal-to-metal contact.

5/16 lock washer for lawn mowers and outdoor power equipment. Secures engine blocks, manifolds, and pulley shafts. Replace if cracked or missing.

Replace a missing, stripped, or damaged shoulder screw on your lawn mower or tractor. This fastener secures components and maintains proper alignment.

Flat washer used to secure the idler pulley assembly on lawn tractors and outdoor power equipment. Replace if washer is bent, missing, or worn.

Shoulder screw that secures the grille pivot bracket on lawn tractors and riding mowers. Replace if damaged, stripped, or missing for proper grille operation.

Cap pulley creates tension on the deck drive belt for proper operation. Replace when worn or cracked to restore belt tension. Confirm fit with your model.

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

Shield mounting screw for lawn mowers and tractors. Secures protective shields and covers. Replace if stripped, missing, or damaged during maintenance.

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.

Replace worn blades causing uneven cuts or poor grass discharge. High lift blade creates suction for better clipping removal in deep or wet grass.

Belt keeper rod guides and positions drive belts near the engine pulley. Replace if bent, damaged, or causing belt slippage. Verify fit with model number.

If your mower deck won't stop spinning after disengaging the blades, this deck brake rod may be worn or disconnected. Restores proper blade braking.

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.

Belt keeper rod for lawn tractors. Holds drive belt in proper position to prevent slippage and maintain tension. Replace if bent or damaged. Verify fit with your model number before ordering.

Deck release pin secures the mower deck to the tractor frame. Replace if bent, broken, or missing to properly attach and support your cutting deck assembly.

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

Belt guide ensures proper belt alignment on your lawn tractor. Replace if belts slip, wear unevenly, or mower performance declines. Confirm fit with model.

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

Secures the governor control plate to the tank assembly on lawn equipment. Replace if loose, cracked, or causing engine speed issues. Confirm fit with your model.

Blade drive belt for lawn tractors and riding mowers. Replace if blades won't engage, belt slips, or you hear squealing. Verify fit with your model number.

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.

Engine won't start or runs rough? This riding mower torsion spring assists critical engine components. Easy DIY fix in under 30 minutes.

Fixes belt slipping or falling off on your riding mower. This idler pivot bracket maintains proper belt tension. Moderate DIY difficulty replacement.

If your lawn tractor blades won't engage or disengage properly, this blade engagement bracket connects the engagement cable to activate mowing.

46-inch belt guard for lawn tractors. Protects drive belts from debris and prevents contact injuries. Replace if cracked or damaged. Verify fit with model.

Supports the idler pulley to maintain proper belt tension on your lawn tractor. Replace if bracket is bent, cracked, or causing belt slippage issues.

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.

Deck pulley transfers power to mower blades. Common when blades won't engage or spin unevenly. Straightforward repair for most DIYers with basic tools.

Ball bearing for lawn mower drive pulleys. Reduces friction and supports axial and radial loads. Replace if you hear grinding or squealing from pulley.

Wheel spacer for lawn tractors and riding mowers. Installs between wheel hub and axle. Replace if worn, damaged, or missing to ensure proper fit.

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.

Replace cracked or deteriorated vent hose on your lawn tractor or riding mower. This 3/16" ID hose connects fuel tank ventilation components.