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MTD 13BL78ST099 tractor Parts
Here are the diagrams and repair parts for MTD 13BL78ST099 tractor, as well as links to manuals and error code tables, if available.
Owner’s manual
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SELECT DIAGRAM
Browse Parts for 13BL78ST099 Riding Mowers & Tractors
Transmission diagram
Drive Pedal Assembly
Part #647-04201AReplaced by #947-04201B-0637
Manufacturer substitutionThis part replaces 647-04201A. Substitute parts can look different from the original.In Stock$71.53
Qty
Steering diagram
Pivot Bar Axle Assembly
Part #719-04177AReplaced by #753-06019
Manufacturer substitutionThis part replaces 719-04177A. Substitute parts can look different from the original.In Stock$296.99$12.00 OFF Phone Price : $308.99
QtyTransmission diagram
Lawn Tractor Tire
Part #734-1730Replaced by #734-1730-0901
Manufacturer substitutionThis part replaces 734-1730. Substitute parts can look different from the original.In Stock$149.897% OFF Phone Price : $161.89QtyTransmission diagram
Lawn Tractor Screw
Part #710-05339Replaced by #710-05339A
Manufacturer substitutionThis part replaces 710-05339. Substitute parts can look different from the original.$7.6612% OFF Phone Price : $8.66QtyLawn Tractor Screw
Part #710-05070Replaced by #710-05070A
Manufacturer substitutionThis part replaces 710-05070. Substitute parts can look different from the original.This item is not returnableIn Stock$34.32QtyBumper/hood diagram
Lawn Tractor Hood Pivot Bracket, Right
Part #783-05328A-0637Replaced by #783-05328B-0637
Manufacturer substitutionThis part replaces 783-05328A-0637. Substitute parts can look different from the original.In Stock$60.87QtyTransmission diagram
Bracket Assembly
Part #683-04612Replaced by #783-06587A
Manufacturer substitutionThis part replaces 683-04612. Substitute parts can look different from the original.In Stock$49.60QtyBumper/hood diagram
Gas Tank Support Bracket
Part #783-07083-0637Replaced by #783-07083A-0637
Manufacturer substitutionThis part replaces 783-07083-0637. Substitute parts can look different from the original.In Stock$40.62QtyTransmission diagram
Lawn Tractor Foot Pad
Part #735-0239Replaced by #735-0239A
Manufacturer substitutionThis part replaces 735-0239. Substitute parts can look different from the original.In Stock$22.3721% OFF Phone Price : $28.37QtySeat/fender diagram
Mounting Seat Bracket
Part #783-06840Replaced by #783-06840-0637
Manufacturer substitutionThis part replaces 783-06840. Substitute parts can look different from the original.In Stock$55.9910% OFF Phone Price : $61.99Qty
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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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