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MTD 13AP78XS099 tractor Parts
Here are the diagrams and repair parts for MTD 13AP78XS099 tractor, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for 13AP78XS099 Riding Mowers & Tractors
Deck/spindle assembly diagram
Mtd Lawn Tractor Blade Idler Pulley Spacer
Part #748-05037BThis item is not returnableIn Stock$9.569% OFF Phone Price : $10.56
Qty
Seat/fender diagram
Lawn Tractor Seat Switch Retainer Clip
Part #783-06448This item is not returnableIn Stock$10.9315% OFF Phone Price : $12.93QtyTransmission diagram
Lawn Tractor Drive Pedal Shaft
Part #947-04201A-0637Replaced by #947-04201B-0637
Manufacturer substitutionThis part replaces 947-04201A-0637. Substitute parts can look different from the original.In Stock$71.53QtyDeck/spindle assembly diagram
Lawn Tractor Blade Brake, Right
Part #983-05182Replaced by #983-05182B
Manufacturer substitutionThis part replaces 983-05182. Substitute parts can look different from the original.In Stock$189.45Qty#NI02
All parts diagram
Harness
Part #925-06321Replaced by #925-06321A
Manufacturer substitutionThis part replaces 925-06321. Substitute parts can look different from the original.In Stock$123.1636% OFF Was : $192.49QtySteering diagram
Kmart Lawn & Garden Equipment Flat Washer
Part #936-0316Replaced by #736-0316
Manufacturer substitutionThis part replaces 936-0316. Substitute parts can look different from the original.This item is not returnableIn Stock$6.74QtyDeck/spindle assembly diagram
Mtd Lawn & Garden Equipment Ball Bearing
Part #941-0919BReplaced by #741P0919B
Manufacturer substitutionThis part replaces 941-0919B. Substitute parts can look different from the original.In Stock$47.75QtyUpper dash panel/fuel tank diagram
Lower Dash
Part #783-06656C-0637Replaced by #783-06656D-0637
Manufacturer substitutionThis part replaces 783-06656C-0637. Substitute parts can look different from the original.In Stock$87.56QtyDeck/spindle assembly diagram
Lawn Tractor Flat Washer
Part #936-3039Replaced by #736-3039
Manufacturer substitutionThis part replaces 936-3039. Substitute parts can look different from the original.This item is not returnableIn Stock$9.26QtySteering diagram
Lawn Tractor Steering Block
Part #748-04278-0637Replaced by #748-04278
Manufacturer substitutionThis part replaces 748-04278-0637. Substitute parts can look different from the original.In Stock$34.1115% OFF Phone Price : $40.11Qty
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
Mtd Lawn Tractor Wheel Cap
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Lawn Tractor Headlight Bulb
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$9.65
9% OFF Phone Price : $10.65
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Deck Decal
Part #777D19377
This item is not returnable
In Stock
$9.61
9% OFF Phone Price : $10.61
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Lawn Tractor E85 Fuel Decal
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$18.09
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Lawn Mower Decal
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$35.56
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Lawn Tractor Decal
Part #777X46939
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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.
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
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
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
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.
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn some of the most common symbols found in a wiring diagram and what they mean.…
Learn how to connect cables safely to jump-start your mower’s battery.…
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