Parts for 13RX90AR256 — MTD

We found 71 parts confirmed to fit the MTD 13RX90AR256.

Compatibility table

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.

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 13RX90AR256: 9540266A (Lawn Tractor Blade Drive Belt), 75604372 (Deck Pulley), 91304040A (MTD Lawn Tractor Blade Timing Pulley), 78305802 (Lawn Tractor Blade Idler Pulley Arm), 75604331 (Lawn Tractor Deck Lift Cable Roller Pulley), 78306027B (Lawn Tractor Ground Drive Idler Pulley Bracket), 91804512B (Lawn Tractor Mandrel and Pulley Assembly), 75604280A (Lawn Mower Idler Pulley), 73106291A (Lawn Tractor Pulley Cover), 9540467 (Variable Belt).

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 13RX90AR256: 68304523 (Variable Bracket), 75308028 (Bracket Kit), 78306088A0637 (MTD Lawn Tractor Seat Pivot Bracket), 78306088A0606 (Bracket), 78306088A0638 (Bracket), 78306088A (Bracket Seat), 78306088A0665 (Bracket Seat), 78306088A4015 (Bracket Seat), 73204580 (Lawn Mower Extension Spring), 71904413A (Lawn Tractor Axle Weldment), 78306088A0691 (Lawn Tractor Seat Pivot Bracket), 73204587 (MTD Lawn Tractor Extension Spring), 75004936 (MTD Lawn Tractor Mandrel Shaft Spacer), 78306278 (Reinforcement Plate Bracket), 75004446 (Spacer), 73804316A (Bolt Shield), 7320932 (Lawn Tractor Extension Spring), 73504081 (Lawn Tractor Fuel Tank Check Valve Grommet), 73804237A (Lawn Tractor Shoulder Screw), 73204612 (MTD Lawn Tractor Spring, 0.70 x 13-in), 71004823 (Screw), 78303490637 (Battery Tray).

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 13RX90AR256: 68304522 (Lawn Tractor Variable-Speed Guide), 91804516A (Lawn Tractor Driven Mandrel Assembly), 72004140B (Grip), 71104998 (Lawn Tractor Drag Link, Left), 92504040 (Lawn Tractor Seat Switch), 93804292 (Lawn Tractor Spindle), 638040270637 (Lawn Tractor Spindle, Left), 638040210637 (Lawn Tractor Spindle, Right), 74704957A (Rod-footpdl), 73804262 (Steering Shaft), 78305940 (Strap Brake), 75110749 (Troybilt Hose), 7511074930 (Troybilt Lawn Tractor Fuel Line, 3/16 x 30-in), 7143002 (Cotter Pin), 95110589 (Kmart Lawn Tractor Carbon Canister), 95110590 (Kmart Lawn Tractor Carbon Canister Filter), 977D16298 (LBL-C LOGO), 777X42179 (Label-cub Ho), 74704944B (Lawn Tractor Deck Lift Rod), 93804291 (Lawn Tractor Driven Mandrel Shaft), 74104237B (Lawn Tractor Hex Bearing), 73504136 (Pad-brake Pe), 95104311 (TANK ASM-FUE), 75110879B (Tank-fuel 3), 78701520 (Timing Plate), 71004607 (Toro Hhcs:7/16-20), 71004482 (Yard-Man Lawn Tractor Hex Bolt).

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 13RX90AR256: 73504170 (Fuel Gasket).

Before you buy

Match 13RX90AR256 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.