Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number
MTD 13A878XT099 lawn tractor

MTD 13A878XT099 lawn tractor Parts

Here are the diagrams and repair parts for MTD 13A878XT099 lawn tractor, as well as links to manuals and error code tables, if available.

By Schematic
By Part
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for 13A878XT099 Lawn Tractor

  • Dash-lower for MTD 13A878XT099 - Part 783-06811F-0637

    Fuel tank/upper dash panel diagram

    Lower Dash

    Part #783-06811E

    Replaced by #783-06811F-0637

    Info Icon
    Manufacturer substitution
    This part replaces 783-06811E. Substitute parts can look different from the original.
    In Stock
    $76.18
    Minus Item
    Qty
    Plus Item
  • Mtd Lawn Tractor Steering Shaft, 21-in for MTD 13A878XT099 - Part 738P07154

    Steering/wheel assembly diagram

    Lawn Tractor Steering Shaft

    Part #938-05078

    Replaced by #738P07154

    Info Icon
    Manufacturer substitution
    This part replaces 938-05078. Substitute parts can look different from the original.
    In Stock
    $69.93
    8% OFF Phone Price : $75.93Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Hood Pivot Bracket, Right (powder Black) for MTD 13A878XT099 - Part 783-05328B-0637

    Hood/bumper diagram

    Lawn Tractor Hood Pivot Bracket, Right

    Part #783-05328A-0637

    Replaced by #783-05328B-0637

    Info Icon
    Manufacturer substitution
    This part replaces 783-05328A-0637. Substitute parts can look different from the original.
    In Stock
    $60.87
    Minus Item
    Qty
    Plus Item
  • Mtd Lawn Tractor Spacer for MTD 13A878XT099 - Part 750-06192A

    Steering/wheel assembly diagram

    Lawn Mower Spacer

    Part #750-06192

    Replaced by #750-06192A

    Info Icon
    Manufacturer substitution
    This part replaces 750-06192. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $7.72
    11% OFF Phone Price : $8.72Info Icon
    Minus Item
    Qty
    Plus Item
  • Nut for MTD 13A878XT099 - Part 712-3000

    Transmission/wheel assembly diagram

    Lawn & Garden Equipment Lock Nut

    Part #912-3000

    Replaced by #712-3000

    Info Icon
    Manufacturer substitution
    This part replaces 912-3000. Substitute parts can look different from the original.
    In Stock
    $29.61
    Minus Item
    Qty
    Plus Item
  • Lawn & Garden Equipment Hex Nut for MTD 13A878XT099 - Part 712-0429

    Lift/battery/frame diagram

    Lawn & Garden Equipment Hex Nut

    Part #912-0429

    Replaced by #712-0429

    Info Icon
    Manufacturer substitution
    This part replaces 912-0429. Substitute parts can look different from the original.
    In Stock
    $35.39
    14% OFF Phone Price : $41.39Info Icon
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Flat Washer for MTD 13A878XT099 - Part 736-3039

    Deck/spindle/chute deflector diagram

    Lawn Tractor Flat Washer

    Part #936-3039

    Replaced by #736-3039

    Info Icon
    Manufacturer substitution
    This part replaces 936-3039. Substitute parts can look different from the original.
    This item is not returnable
    In Stock
    $9.26
    Minus Item
    Qty
    Plus Item
  • Lawn Tractor Drive Pedal Shaft for MTD 13A878XT099 - Part 947-04201B-0637

    Transmission/wheel assembly diagram

    Lawn Tractor Drive Pedal Shaft

    Part #947-04201A-0637

    Replaced by #947-04201B-0637

    Info Icon
    Manufacturer substitution
    This part replaces 947-04201A-0637. Substitute parts can look different from the original.
    In Stock
    $71.53
    Minus Item
    Qty
    Plus Item
  • Bracket for MTD 13A878XT099 - Part 783-05326D-0637

    Steering/wheel assembly 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
    Minus Item
    Qty
    Plus Item
  • Sears Lawn & Garden Equipment Cotter Pin for MTD 13A878XT099 - Part 714-0474

    Steering/wheel assembly diagram

    Lawn & Garden Equipment Cotter Pin

    Part #914-0474

    Replaced by #714-0474

    Info Icon
    Manufacturer substitution
    This part replaces 914-0474. Substitute parts can look different from the original.
    In Stock
    $35.93
    Minus Item
    Qty
    Plus Item

Most common symptoms to help you fix your riding mowers & tractors

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

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

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

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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

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.

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.…

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…

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.…

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.

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.…

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.…

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.…

Parts & More

Bottom-Mount Refrigerator
Dishwasher
Dryer
Electric Range
Front-Engine Lawn Tractor
Gas Range
Gas Snowblower
Gas Walk-Behind Mower
Parts
Side-By-Side Refrigerator
Top-Mount Refrigerator
Vhs Camcorder
Washer