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MTD 131278XS099 tractor Parts

Here are the diagrams and repair parts for MTD 131278XS099 tractor, as well as links to manuals and error code tables, if available.

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MTD 131278XS099 tractor
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Browse Parts for 131278XS099 Riding Mowers & Tractors

  • Mtd Lawn Tractor Variable-speed Pulley, 6.75-in for MTD 131278XS099 - Part 656P05011

    Transmission diagram

    Lawn Tractor Drive Pulley

    Part #956-04015A

    Replaced by #656P05011

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    Manufacturer substitution
    This part replaces 956-04015A. Substitute parts can look different from the original.
    In Stock
    $95.13
    11% OFF Phone Price : $107.13Info Icon
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  • Toro Lawn & Garden Equipment Lock Washer for MTD 131278XS099 - Part 736-0169

    Transmission diagram

    Lawn & Garden Equipment Lock Washer

    Part #936-0169

    Replaced by #736-0169

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    Manufacturer substitution
    This part replaces 936-0169. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $5.60
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  • Lawn Tractor Variable Speed Pulley Bracket for MTD 131278XS099 - Part 783-06587A

    Transmission diagram

    Lawn Tractor Variable Speed Pulley Bracket

    Part #683-04612-0637

    Replaced by #783-06587A

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    Manufacturer substitution
    This part replaces 683-04612-0637. Substitute parts can look different from the original.
    In Stock
    $49.60
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  • Lawn Tractor Sector Gear Plate for MTD 131278XS099 - Part 783P08577A

    Steering/wheels diagram

    Lawn Tractor Steering Plate

    Part #783-08577A

    Replaced by #783P08577A

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    Manufacturer substitution
    This part replaces 783-08577A. Substitute parts can look different from the original.
    In Stock
    $13.57
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  • Lawn Tractor Flat Washer for MTD 131278XS099 - Part 736-04228B

    Steering/wheels diagram

    Lawn Tractor Flat Washer

    Part #736-04228A

    Replaced by #736-04228B

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    Manufacturer substitution
    This part replaces 736-04228A. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.45
    10% OFF Phone Price : $10.45Info Icon
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  • Lawn Tractor Blade Brake, Right for MTD 131278XS099 - Part 983-05182B

    Mower deck/spindle pulley diagram

    Lawn Tractor Blade Brake, Right

    Part #983-05182

    Replaced by #983-05182B

    Info Icon
    Manufacturer substitution
    This part replaces 983-05182. Substitute parts can look different from the original.
    In Stock
    $189.45
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  • Cvr-42" Deck for MTD 131278XS099 - Part 783-08510D-4044

    Mower deck/spindle pulley diagram

    Lawn Tractor Blade Drive Belt Cover

    Part #783-08510-4044

    Replaced by #783-08510D-4044

    Info Icon
    Manufacturer substitution
    This part replaces 783-08510-4044. Substitute parts can look different from the original.
    In Stock
    $49.40
    11% OFF Phone Price : $55.40Info Icon
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  • Frame for MTD 131278XS099 - Part 683-05139A-0637

    Frame/battery/lift diagram

    Frame Assembly

    Part #683-05139-0637

    Replaced by #683-05139A-0637

    Info Icon
    Manufacturer substitution
    This part replaces 683-05139-0637. Substitute parts can look different from the original.
    In Stock
    $314.31
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  • Bracket for MTD 131278XS099 - Part 783-05326D-0637

    Steering/wheels diagram

    Lawn Tractor Pivot Plate

    Part #783-05326B-0637

    Replaced by #783-05326D-0637

    Info Icon
    Manufacturer substitution
    This part replaces 783-05326B-0637. Substitute parts can look different from the original.
    In Stock
    $47.71
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  • Mtd Lawn Tractor Shoulder Screw, 1/2-in for MTD 131278XS099 - Part 738-0380

    Frame/battery/lift diagram

    Lawn Tractor Shoulder Screw

    Part #938-0380

    Replaced by #738-0380

    Info Icon
    Manufacturer substitution
    This part replaces 938-0380. Substitute parts can look different from the original.
    In Stock
    $39.03
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Most common symptoms to help you fix your riding mowers & tractors

Choose a symptom to see related riding mower and lawn tractor repairs.

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Why is the steering loose on my riding mower?

Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…

Read more

Why won't my riding mower start?

Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…

Read more

Why won't my riding mower cut grass?

Main causes: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…

Read more

Why is my riding mower leaking oil or gas?

Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, …

Read more

How do I fix a flat tire on my riding mower?

Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…

Read more

Why is my riding mower not cutting evenly?

Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…

Read more

Why won't my riding mower move?

Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …

Read more

How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

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Why does my riding mower creep in neutral?

Main causes: shift lever needs adjustment, neutral control needs adjustment…

Read more

Most common repair guides to help fix your riding mowers & tractors

These step-by-step repair guides will help you safely fix what’s broken on your riding mower or lawn tractor.

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How to replace the starter solenoid on a riding lawn mower

How to replace the starter solenoid on a riding lawn mower

Replace the starter solenoid if it doesn't click when you turn the ignition key.…

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Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower ignition coil

How to replace a riding lawn mower ignition coil

If you're not getting spark from a good spark plug, the problem could be the ignition coil. Follow these step-by-step in…

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Repair time and Difficulty

 30 minutes or less
How to replace a riding lawn mower fuel filter

How to replace a riding lawn mower fuel filter

Help your mower run better by replacing the fuel filter during your riding mower's annual tune-up.…

Read more

Repair time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your riding mowers & tractors

Use the advice and tips in these articles and videos to get the most out of your riding mower or lawn tractor.

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Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

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Wiring schematic symbols explained video

Wiring schematic symbols explained video

Learn some of the most common symbols found in a wiring diagram and what they mean.…

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Jump-starting a riding lawn mower battery video

Jump-starting a riding lawn mower battery video

Learn how to connect cables safely to jump-start your mower’s battery.…

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