Parts for 131QA1ZT099 — MTD

We found 23 parts confirmed to fit the MTD 131QA1ZT099.

Same parts list as 247202420 (Craftsman). 131QA1ZT099 shares an identical confirmed parts list with 247202420 (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 131QA1ZT099.

Compatibility table

All 23 confirmed parts, ordered so parts that fit fewer models (more specific to this appliance) appear first.
Part #PartAlso fitsReference price
92506134Harness7 models$352.84 · Amazon
777D21712Decal8 models$6.37 · Amazon
19A30003799Lawn Tractor 2-Bin Bagger8 models$624.74 · Amazon
91807167Lawn Tractor Power Steering Unit8 models$1302.75 · Amazon
71705364AGEAR-STRG PI9 models$49.24 · Amazon
91905174Housing9 models$141.74 · Amazon
92506502Lawn Tractor Power Steering Unit9 models$123.32 · Amazon
777D20813Decal10 models$19.54 · Amazon
78308284A0637Lawn Tractor Blade Idler Pulley Bracket10 models$47.06 · Amazon
783085470691MTD Lawn Tractor Blade Drive Belt Cover10 models$27.84 · Amazon
777I25391Decal11 models$9.06 · Amazon
78308284AIdler Bracket11 models$47.06 · Amazon
783088670637MTD Lawn Tractor Deck Belt Keeper11 models$9.40 · Amazon
72506102ASwitch Key34 models$107.10 · Amazon
95405087AMTD Lawn Tractor Blade Drive Belt, 1/2 x 108-in36 models$74.27 · Amazon
95405027ALawn Tractor Ground Drive Belt, 1/2 x 89-3/4-in39 models$66.52 · Amazon
91806977AMTD Lawn Tractor Mandrel and Pulley Assembly47 models$121.73 · Amazon
9383056Lawn Tractor Shoulder Bolt148 models$14.21 · Amazon
62504124Lawn Tractor Ignition Key272 models$24.95 · Amazon
73404155MTD Lawn Tractor Gauge Wheel320 models$28.12 · Amazon
71404040MTD Lawn & Garden Equipment Cotter Pin, 1/4- to 5/16-in609 models$2.99 · Amazon
71204063Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-181,010 models$5.45 · Amazon
71204065MTD Yard Machines Lawn Tractor Flange Nut1,047 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.

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 131QA1ZT099: 92506134 (Harness), 777D21712 (Decal), 91807167 (Lawn Tractor Power Steering Unit), 71705364A (GEAR-STRG PI), 92506502 (Lawn Tractor Power Steering Unit), 777D20813 (Decal), 777I25391 (Decal), 72506102A (Switch Key), 9383056 (Lawn Tractor Shoulder Bolt), 62504124 (Lawn Tractor Ignition Key), 73404155 (MTD Lawn Tractor Gauge Wheel), 71404040 (MTD Lawn & Garden Equipment Cotter Pin, 1/4- to 5/16-in), 71204063 (Yard Machines Lawn & Garden Equipment Lock Nut, 5/16-18), 71204065 (MTD Yard Machines Lawn Tractor Flange Nut).

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 131QA1ZT099: 19A30003799 (Lawn Tractor 2-Bin Bagger), 91905174 (Housing).

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 131QA1ZT099: 78308284A0637 (Lawn Tractor Blade Idler Pulley Bracket), 783085470691 (MTD Lawn Tractor Blade Drive Belt Cover), 78308284A (Idler Bracket), 783088670637 (MTD Lawn Tractor Deck Belt Keeper), 95405087A (MTD Lawn Tractor Blade Drive Belt, 1/2 x 108-in), 95405027A (Lawn Tractor Ground Drive Belt, 1/2 x 89-3/4-in), 91806977A (MTD Lawn Tractor Mandrel and Pulley Assembly).

Before you buy

Match 131QA1ZT099 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.