Parts for 478SUC — MTD

We found 42 parts confirmed to fit the MTD 478SUC.

Compatibility table

All 42 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
95105275MTD Lawn & Garden Equipment Engine Carburetor2 models$163.22 · Amazon
90805051Muffler Guard3 models$36.93 · Amazon
71205059Nut, M83 models$5.40 · Amazon
93205127Spring3 models$41.16 · Amazon
95112066Connecting Rod Assembly4 models$106.02 · Amazon
90805052Gasket4 models$32.99 · Amazon
90805020Muffler Body4 models$50.03 · Amazon
95112043Piston4 models$41.33 · Amazon
95112387Piston Ring Set4 models$36.09 · Amazon
71006289BOLT M8 X 455 models$30.86 · Amazon
95111498Oil Seal5 models$26.17 · Amazon
92104663Lawn & Garden Equipment Engine O-Ring6 models$10.60 · Amazon
95111194Muffler Shield6 models$97.40 · Amazon
95114200Arm Assembly7 models$58.65 · Amazon
95111334Cylinder Kit7 models$72.96 · Amazon
95112090Flywheel7 models$255.27 · Amazon
71004963MTD Lawn & Garden Equipment Engine Carburetor Stud7 models$34.41 · Amazon
95111222MTD Snowblower Engine Carburetor Insulation7 models$15.20 · Amazon
95111217MTD Snowblower Engine Cooling Fan7 models$64.96 · Amazon
95111374MTD Snowblower Engine Crankcase Cover Gasket7 models$27.54 · Amazon
95111180MTD Snowblower Engine Cylinder Baffle7 models$29.76 · Amazon
95111200MTD Snowblower Engine Fuel Line Kit7 models$96.90 · Amazon
95111183MTD Snowblower Engine Fuel Tank Mounting Bracket7 models$52.09 · Amazon
95111218MTD Snowblower Engine Starter Cup7 models$48.80 · Amazon
95111372MTD Snowblower Oil Seal7 models$46.58 · Amazon
73604450Washer7 models$11.86 · Amazon
95111379MTD Snowblower Engine Blower Housing8 models$139.30 · Amazon
95111204MTD Snowblower Engine Governor Rod8 models$30.15 · Amazon
95111202MTD Snowblower Engine Governor Spring8 models$7.86 · Amazon
95111225MTD Engine Carburetor Insulator Gasket9 models$6.86 · Amazon
95111208MTD Snowblower Recoil Starter Assembly9 models$106.38 · Amazon
71005350Ignition Coil Bolt10 models$5.91 · Amazon
71005051Lawn & Garden Equipment Bolt10 models$11.77 · Amazon
71005349Screw11 models$6.97 · Amazon
95111302Lawn & Garden Equipment Engine Choke Control Knob19 models$12.46 · Amazon
95111970MTD Lawn & Garden Equipment Carburetor Float Bowl Gasket24 models$12.38 · Amazon
95110630Lawn & Garden Equipment Engine Starter Key27 models$10.29 · Amazon
95110637MTD Snowblower Ignition Switch38 models$22.11 · Amazon
95111223Lawn & Garden Equipment Engine Carburetor Gasket47 models$9.57 · Amazon
71004945Lawn & Garden Equipment Engine Fuel Bowl Mounting Bolt55 models$7.62 · Amazon
95110639AMTD Lawn and Garden Equipment Engine Carburetor Primer Bulb67 models$31.01 · Amazon
95110307Lawn & Garden Equipment Engine Flywheel Key116 models$3.81 · 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.

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 478-SUC: 95105275 (MTD Lawn & Garden Equipment Engine Carburetor), 90805051 (Muffler Guard), 71205059 (Nut, M8), 95112066 (Connecting Rod Assembly), 90805020 (Muffler Body), 95112043 (Piston), 95112387 (Piston Ring Set), 71006289 (BOLT M8 X 45), 95111498 (Oil Seal), 92104663 (Lawn & Garden Equipment Engine O-Ring), 95114200 (Arm Assembly), 95111334 (Cylinder Kit), 95112090 (Flywheel), 71004963 (MTD Lawn & Garden Equipment Engine Carburetor Stud), 95111222 (MTD Snowblower Engine Carburetor Insulation), 95111217 (MTD Snowblower Engine Cooling Fan), 95111180 (MTD Snowblower Engine Cylinder Baffle), 95111200 (MTD Snowblower Engine Fuel Line Kit), 95111218 (MTD Snowblower Engine Starter Cup), 95111372 (MTD Snowblower Oil Seal), 73604450 (Washer), 95111204 (MTD Snowblower Engine Governor Rod), 95111208 (MTD Snowblower Recoil Starter Assembly), 71005350 (Ignition Coil Bolt), 71005051 (Lawn & Garden Equipment Bolt), 95110630 (Lawn & Garden Equipment Engine Starter Key), 95110637 (MTD Snowblower Ignition Switch), 71004945 (Lawn & Garden Equipment Engine Fuel Bowl Mounting Bolt), 95110307 (Lawn & Garden Equipment Engine Flywheel Key).

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 478-SUC: 93205127 (Spring), 95111194 (Muffler Shield), 95111183 (MTD Snowblower Engine Fuel Tank Mounting Bracket), 95111379 (MTD Snowblower Engine Blower Housing), 95111202 (MTD Snowblower Engine Governor Spring), 71005349 (Screw), 95111302 (Lawn & Garden Equipment Engine Choke Control Knob).

Door and drum seals

Symptom: A door or drum seal that has lost its grip, letting water or conditioned air escape past it.

Check: Inspect the seal for tears, flattening, or gaps, and check it against your model's part number before ordering.

Parts in this group on 478-SUC: 90805052 (Gasket), 95111374 (MTD Snowblower Engine Crankcase Cover Gasket), 95111225 (MTD Engine Carburetor Insulator Gasket), 95111970 (MTD Lawn & Garden Equipment Carburetor Float Bowl Gasket), 95111223 (Lawn & Garden Equipment Engine Carburetor Gasket).

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 478-SUC: 95110639A (MTD Lawn and Garden Equipment Engine Carburetor Primer Bulb).

Before you buy

Match 478SUC 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.