Parts for 12A559K402 — MTD
We found 13 parts confirmed to fit the MTD 12A559K402.
Same parts list as 247375590 (Craftsman). 12A559K402 shares an identical confirmed parts list with 247375590 (Craftsman). That page is the canonical version of this parts list — use it if you want the primary reference, or stay here since the list below is exactly the same for 12A559K402.
Compatibility table
| Part # | Part | Also fits | Reference price |
|---|---|---|---|
| 7490907A | Handle | 4 models | $76.98 · Amazon |
| 7171534 | Gear Spur 14 | 9 models | $9.35 · Amazon |
| 7470995A0637 | Catcher Frame | 10 models | $153.14 · Amazon |
| 7100841 | Screw | 10 models | $6.63 · Amazon |
| 7540465 | V- Belt | 26 models | $36.54 · Amazon |
| 7410124 | Bearing | 65 models | $34.49 · Amazon |
| 7260240 | Cable Tie | 65 models | $25.35 · Amazon |
| 7210325 | MTD Lawn & Garden Equipment Plastic Plug | 66 models | $8.00 · Amazon |
| 7101257 | Lawn & Garden Equipment Hex Bolt | 137 models | $11.68 · Amazon |
| 7420741 | Blade-21" Mu | 216 models | $17.37 · Amazon |
| 7101174 | Yard Machines Lawn & Garden Equipment Bolt | 378 models | $12.96 · Amazon |
| 7101205 | Yard Machines Lawn & Garden Equipment Guide Bolt | 550 models | $5.92 · Amazon |
| 7100599 | MTD Lawn Tractor Screw | 1,116 models | $5.81 · 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 12A-559K402: 7490907A (Handle), 7100841 (Screw), 7100599 (MTD Lawn Tractor Screw).
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 12A-559K402: 7171534 (Gear Spur 14), 7470995A0637 (Catcher Frame), 7410124 (Bearing), 7260240 (Cable Tie), 7210325 (MTD Lawn & Garden Equipment Plastic Plug), 7101257 (Lawn & Garden Equipment Hex Bolt), 7420741 (Blade-21" Mu), 7101174 (Yard Machines Lawn & Garden Equipment Bolt), 7101205 (Yard Machines Lawn & Garden Equipment Guide Bolt).
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 12A-559K402: 7540465 (V- Belt).
Before you buy
Match 12A559K402 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.
Still not sure?
Use the model lookup tool to search by model or part number, or start from the symptom your appliance is showing.