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Model # 74373 (290004013 AND UP) Official Toro riding lawn mower
Here are the diagrams and repair parts for Official Toro 74373 (290004013 AND UP) riding lawn mower, as well as links to manuals and error code tables, if available.
Owner’s manual
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Browse Parts for74373 (290004013 AND UP) Riding Mowers & Tractors
- #29
Hydro drive assembly diagram
Decal transaxlePart #114-8532
$12.97In Stock - Seal kit
Part #106-8686
$290.31In Stock - Lawn tractor transaxle input shaft
Part #104-5306
$419.33In Stock - #2
Rh hydro assembly diagram
Lawn tractor transaxle case coverPart #114-1631
$461.27In Stock - #15
50" deck spindle & blade diagram
WasherPart #3290-465
This item is not returnable$5.97In Stock - #6
Deck lift & seat support diagram
Place-liftPart #110-6800-03
$35.64In Stock - #4
Styling & fuel system assembly diagram
Lawn tractor throttle cablePart #117-1295
$127.72In Stock - #2
50" deck spindle & blade diagram
Cap screwPart #323-9
This item is not returnable$2.66In Stock - #6
Electrical assembly diagram
Lawn tractor interlock switchPart #110-6765
$18.54In Stock - #2
Frame & castor wheel assembly diagram
Lawn tractor bumper, rearPart #110-6899-03
$314.93In Stock
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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: worn or broken blade belt, broken belt idler pulley, blade clutch cable failure, bad PTO switch, damaged ma…
Main causes: faulty battery, bad alternator…
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim…
Main causes: dead battery, stale fuel, bad starter solenoid, ignition system problem, bad ignition interlock switch, clo…
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly…
Main causes: shift lever needs adjustment, neutral control needs adjustment…
Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, …
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tun…
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 a mandrel assembly on a riding lawn mower
Replace the mandrel assembly if the blade shaft vibrates or doesn't spin.…
Repair difficulty
Time required
30 minutes or less
How to replace the flywheel key on a riding lawn mower
If the engine won't restart after hitting a stump or rock, the problem could be a sheared flywheel key. Follow these ste…
Repair difficulty
Time required
60 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 difficulty
Time required
30 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.
Do you know a lawn tractor from a garden tractor? Take a look at the key differences and discover how each handles your …
Wondering when to mow your lawn for the best results? Timing matters more than you might think. Discover the best time o…
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…