Parts for LX420 — Toro
We found 32 parts confirmed to fit the Toro LX420.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 9100599 | Hex Washer Screw | 4 models | — · Amazon |
| 7831348D4008 | Lawn Mower Belt Cover | 4 models | $66.73 · Amazon |
| 7830726E0637 | Pivot Bracket | 4 models | $42.32 · Amazon |
| 7830728B0637 | Pivot Bracket | 4 models | $49.38 · Amazon |
| 783051060637 | Powder Black | 4 models | $14.75 · Amazon |
| 9103144 | Screw | 4 models | — · Amazon |
| 72504340 | Sw:rmc:r Sty | 4 models | — · Amazon |
| 73105542 | Cap:small R | 5 models | $2.47 · Amazon |
| 93105461 | Hood-toro | 5 models | $181.02 · Amazon |
| 93204370A | MTD Extension Spring | 5 models | $23.89 · Amazon |
| 783044670637 | Powder Black | 5 models | $0.25 · Amazon |
| 777X42201 | Reflector | 5 models | $7.62 · Amazon |
| 93400704009 | Wheel Rim Assembly | 5 models | $100.05 · Amazon |
| 783047404008 | Wine Red | 5 models | $17.71 · Amazon |
| 93105469 | Lawn Tractor Right Headlight Lens | 6 models | $16.66 · Amazon |
| 93105471 | Left Lens | 6 models | $16.31 · Amazon |
| 78304081D0709 | Bracket Seat | 10 models | $60.80 · Amazon |
| OEM7540467 | Drive Belt | 10 models | $53.50 · Amazon |
| 72504339 | Lawn Tractor Wire Harness | 10 models | $175.84 · Amazon |
| 64704020 | Lever Asm-sh | 10 models | $45.76 · Amazon |
| 75604207A | Riding Lawn Mower Engine Pulley | 10 models | $73.96 · Amazon |
| 78303490637 | Battery Tray | 11 models | $74.91 · Amazon |
| 78304081D0638 | Bracket Seat | 11 models | $22.96 · Amazon |
| 78304081D0637 | Kmart Lawn Tractor Seat Pivot Bracket | 12 models | $60.80 · Amazon |
| 9540467 | Variable Belt | 12 models | $51.94 · Amazon |
| 9251745 | Ignition Key | 21 models | $24.95 · Amazon |
| 7100643 | Toro Lawn Tractor Screw | 29 models | $12.49 · Amazon |
| 75604129 | Pulley, Idler, 4.25" Dia. | 111 models | $70.66 · Amazon |
| 9420616A | MTD Lawn Tractor 42-in Deck 3-in-1 Blade | 113 models | $35.49 · Amazon |
| 7171554 | MTD Lawn Tractor Steering Shaft Pinion Gear | 151 models | $17.69 · Amazon |
| 71204063 | Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18 | 1,010 models | $5.45 · Amazon |
| 71204065 | MTD Yard Machines Lawn Tractor Flange Nut | 1,047 models | $6.24 · Amazon |
Prices shown are an informational reference range only, not an offer or an Amazon price — RepairKitHub does not sell parts directly. Each part links to an Amazon search so you can compare current listings yourself.
Common failure areas on this model
The confirmed parts above group into a handful of failure areas. Here is what each points to and how to check it before you order anything.
Storage, trim and cosmetic hardware
Symptom: A cracked shelf, broken door bin, worn hinge, or missing trim piece -- cosmetic and storage wear rather than a functional breakdown.
Check: Match the physical dimensions and mounting tabs of the old part before ordering; these pieces are often model-specific even between visually similar models.
Parts in this group on LX420: 9100599 (Hex Washer Screw), 7830726E0637 (Pivot Bracket), 7830728B0637 (Pivot Bracket), 9103144 (Screw), 73105542 (Cap:small R), 93204370A (MTD Extension Spring), 78304081D0709 (Bracket Seat), 78303490637 (Battery Tray), 78304081D0638 (Bracket Seat), 78304081D0637 (Kmart Lawn Tractor Seat Pivot Bracket), 7100643 (Toro Lawn Tractor Screw).
Drive system (belts, pulleys, motors)
Symptom: A drum or tub that won't turn, a burning-rubber smell, or a loud thump or squeal during a cycle.
Check: With power off, turn the drum or tub by hand -- resistance or grinding points to the motor or a bearing, and a cracked, glazed, or snapped belt is visible once the cabinet is open.
Parts in this group on LX420: 7831348D4008 (Lawn Mower Belt Cover), OEM7540467 (Drive Belt), 75604207A (Riding Lawn Mower Engine Pulley), 9540467 (Variable Belt), 75604129 (Pulley, Idler, 4.25" Dia.).
General hardware and mounting parts
Symptom: A small mechanical or mounting part has failed, cracked, or gone missing.
Check: Compare the physical shape and mounting points to the original piece, and confirm the exact part number against your model plate before ordering.
Parts in this group on LX420: 783051060637 (Powder Black), 72504340 (Sw:rmc:r Sty), 93105461 (Hood-toro), 783044670637 (Powder Black), 777X42201 (Reflector), 93400704009 (Wheel Rim Assembly), 783047404008 (Wine Red), 93105471 (Left Lens), 64704020 (Lever Asm-sh), 9251745 (Ignition Key), 9420616A (MTD Lawn Tractor 42-in Deck 3-in-1 Blade), 7171554 (MTD Lawn Tractor Steering Shaft Pinion Gear), 71204063 (Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18), 71204065 (MTD Yard Machines Lawn Tractor Flange Nut).
Interior lighting
Symptom: The interior light doesn't turn on when the door opens.
Check: Confirm power is reaching the socket, then check the door-activated light switch before assuming the bulb itself is at fault.
Parts in this group on LX420: 93105469 (Lawn Tractor Right Headlight Lens).
Controls, timers and wiring
Symptom: A cycle that doesn't advance, an unresponsive display, or the unit not starting at all.
Check: Look for burn marks or a burnt smell near the board or terminals, and check whether buttons and knobs respond -- a unit that powers on but won't cycle often traces back to this group.
Parts in this group on LX420: 72504339 (Lawn Tractor Wire Harness).
Before you buy
Match LX420 exactly against the model and serial plate on the appliance itself before ordering anything — a single mismatched character can point to a different production run with different parts. Then check the part number printed or stamped on the part you are replacing against the part numbers in the table above; the printed number is the most reliable way to confirm fitment when a model has gone through multiple production runs. RepairKitHub does not sell parts directly — every part link above routes to an Amazon search for that part number so you can compare current listings and sellers yourself.
How to confirm this is your model
Check inside a door opening, on a back or side panel, or behind a removable panel or drawer for a label printed with the model and serial number. Match every character exactly, including letters and dashes at the end — appliance model numbers often have similar prefixes but different suffixes for different production runs.
Other models with this exact parts list
Each model below is confirmed to share the identical compatible-parts list with this one.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.