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MTD 13BL78ST299 tractor Parts
Here are the diagrams and repair parts for MTD 13BL78ST299 tractor, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for 13BL78ST299 Riding Mowers & Tractors
Hood/bumper diagram
Troybilt Hose
Part #751-10749Replaced by #751-10749-30
Manufacturer substitutionThis part replaces 751-10749. Substitute parts can look different from the original.In Stock$100.99
Qty
Mower deck/spindle pulley diagram
Lawn Tractor Belt Keeper
Part #783-07183AReplaced by #783-07183A-0637
Manufacturer substitutionThis part replaces 783-07183A. Substitute parts can look different from the original.This item is not returnableIn Stock$32.1816% OFF Phone Price : $38.18
QtySteering diagram
Lawn Tractor Pivot Plate
Part #783-05326B-0637Replaced by #783-05326D-0637
Manufacturer substitutionThis part replaces 783-05326B-0637. Substitute parts can look different from the original.In Stock$47.71QtySeat/fender diagram
Lawn Tractor Fender, Left
Part #783-04587D-0691Replaced by #783-04587E-0691
Manufacturer substitutionThis part replaces 783-04587D-0691. Substitute parts can look different from the original.In Stock$472.54$12.00 OFF Phone Price : $484.54QtySteering diagram
Lawn Tractor Steering Shaft
Part #738-0919AReplaced by #738-0919B
Manufacturer substitutionThis part replaces 738-0919A. Substitute parts can look different from the original.In Stock$67.218% OFF Phone Price : $73.21QtyMower deck/spindle pulley diagram
Lawn Mower Idler Pulley
Part #753-08068Replaced by #753-08171
Manufacturer substitutionThis part replaces 753-08068. Substitute parts can look different from the original.In Stock$36.7914% OFF Phone Price : $42.79QtySteering diagram
Lawn Tractor Flat Washer
Part #736-04228AReplaced by #736-04228B
Manufacturer substitutionThis part replaces 736-04228A. Substitute parts can look different from the original.This item is not returnableIn Stock$9.4510% OFF Phone Price : $10.45QtyHood/bumper diagram
Dash
Part #783-06811-0637Replaced by #783-06811F-0637
Manufacturer substitutionThis part replaces 783-06811-0637. Substitute parts can look different from the original.In Stock$76.18QtyTransmission diagram
Lawn Mower Lever
Part #647-04266Replaced by #647-04266B
Manufacturer substitutionThis part replaces 647-04266. Substitute parts can look different from the original.In Stock$34.84QtyTransmission diagram
Lawn Tractor Transaxle Belt, 2/3 X 40-9/10-in
Part #954-04208Replaced by #490-501-Y007
Manufacturer substitutionThis part replaces 954-04208. Substitute parts can look different from the original.In Stock$29.0717% OFF Phone Price : $35.07Qty
RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES
Mtd Lawn Tractor Wheel Cap
In Stock
$9.25
10% OFF Phone Price : $10.25
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Lawn Tractor Decal
Part #777I23754
This item is not returnable
In Stock
$7.38
12% OFF Phone Price : $8.38
Qty
Lawn Tractor Decal, Left
In Stock
$22.09
Qty
Decal
Part #777I23592
This item is not returnable
In Stock
$6.83
Qty
Lawn Tractor E85 Fuel Decal
In Stock
$18.09
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Decal
In Stock
$14.74
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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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