Parts for Mtd 13AL77XT099: Deck / Pulley 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.

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

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

Fix mower blades that won't stop spinning after disengaging the clutch. This deck brake assembly halts blade rotation when the clutch lever is off.

If your lawn tractor blades won't stop spinning or brakes feel loose, this right-hand brake assembly bracket may be damaged. Secures brake components.

Mower deck shell for lawn tractors. This structural housing component protects internal cutting mechanisms. Replace if cracked, rusted, or damaged.

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.

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

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.

Secures components on mowers and outdoor power equipment. Replace when stripped, rusted, or loose. Verify thread size 5/16"-18 x 3/4" fits your model.

Mounting screw for lawn tractors and riding mowers. Secures components and panels. Replace if stripped, rusted, missing, or damaged during maintenance.

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

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.

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

Spacer that attaches to the idler arm on lawn tractors, creating a smooth surface for proper movement. Replace if worn, cracked, or missing.

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

Torsion spring maintains tension on the idler pulley to keep the belt turning properly. Replace when worn or weakened to restore belt drive function.

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

Flat washer for lawn mowers and outdoor power equipment. Replaces damaged, missing, or worn washers. Standard hardware component for various models.

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.

Replacement grass chute assembly for lawn tractors and riding mowers. Directs clippings to the side or bag. Replace if cracked, broken, or detached.

Fix deck brake assembly issues with this shoulder spacer. Attaches using hex cap screw for secure mounting. Durable metal construction for lawn tractors.

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

High-lift cutting blade for riding mowers. Replace when you notice uneven cuts or missed patches. 21-3/16" length with star center hole. Verify fit.

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.

If your lawn tractor brake pedal feels loose or brakes won't engage, you may need a new brake rod. This control linkage connects the pedal to the system.

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.

Fix excessive pulley friction or overheating in your lawn mower with this pulley spacer. Fits front-engine tractors, gas walk-behinds, and riding mowers.

Shoulder spacer for lawn tractors and riding mowers. Installs between engine components to maintain proper alignment. Replace if cracked or missing.

Blade drive belt connects engine to cutting deck on riding mowers. Replace when worn, cracked, or slipping causes poor cutting. Verify fit with model number.

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.

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

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.

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

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

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.

Replacement flange lock nut for lawn mowers and garden equipment. Secures parts in place. Order a new nut if yours is stripped, loose, or missing.

Lost or broken push cap preventing setting adjustments? This small but essential control cap restores proper function on mowers and tractors. Quick fix.

Torsion spring for lawn tractors and riding mowers. Replaces broken, worn, or missing springs in deck lift or blade engagement systems.

Hinge pin that secures the discharge chute to your mower deck. Replace if pin is lost, broken, or bent. Essential hardware for proper chute operation.

Replacement mounting screw for lawn tractors and outdoor power equipment. Used to secure parts and panels. Replace if stripped, broken, or missing.

Deflector chute mounting bracket for lawn tractors and riding mowers. Replace this bracket if cracked, bent, or broken to properly secure the discharge chute.

Small metal washer that secures parts on lawn tractors and riding mowers. Replace if worn, cracked, or missing to properly fasten components together.