Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Toro
Rear-Engine Riding Mower

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.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Owner’s manual
  View engine

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

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

Search
ALL PARTS
Showing 10 of 457 parts  |
Stop Nut 3296-29
Stop nut

Part #3296-29

The manufacturer no longer makes this part, and there's no substitute part

Lawn Tractor Blade Drive Belt 110-6892
#1

50" deck spindle & blade diagram

Lawn tractor blade drive belt

Part #110-6892

Get free shipping with Automatic Reorder

$94.82
In Stock
Decal Container 112-9751
#37

Control assembly diagram

Decal container

Part #112-9751

$9.00
In Stock
Torsion Spring 110-6694
#20

50" deck/side discharge diagram

Torsion spring

Part #110-6694

$11.94
In Stock
Lawn Tractor Bumper, Rear 110-6899-03
#2

Frame & castor wheel assembly diagram

Lawn tractor bumper, rear

Part #110-6899-03

$305.56
In Stock
Washer 114-0463
#8

50" deck spindle & blade diagram

Washer

Part #114-0463

$9.51
In Stock
Lawn Tractor Deck Lift Pivot Block 108-7845
#12

Deck lift & seat support diagram

Lawn tractor deck lift pivot block

Part #108-7845

$25.80
In Stock
Lawn Tractor Steering Control Handle Grip 105-3450
#14

Deck lift & seat support diagram

Lawn tractor steering control handle grip

Part #105-3450

$18.26
In Stock
Screw 3258-166
#5

Styling & fuel system assembly diagram

Screw

Part #3258-166

This item is not returnable
$2.16
In Stock
Gear 104-5317
Gear

Part #104-5317

$232.25
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

  • Key 63-8360
    Key
    $8.46

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

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

View all

How do I charge a dead battery on my riding mower?

Main causes: faulty battery, bad alternator…

Read more

Why does my riding mower deck vibrate?

Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components…

Read more

Why is the steering loose on my riding mower?

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

Read more

Why won't my riding mower cut grass?

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

Read more

How do I fix a flat tire on my riding mower?

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

Read more

Why is my riding mower leaking oil or gas?

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

Read more

Why does my riding mower run rough or misfire?

Main causes: clogged carburetor, damaged flywheel key, dirty spark plug, stale fuel, improper valve lash, engine needs a…

Read more

Why does my riding mower creep in neutral?

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

Read more

Why won't my riding mower move?

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

Read more

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.

View all
How to replace the seat switch on a riding lawn mower

How to replace the seat switch on a riding lawn mower

Follow the steps in this guide to install a new riding mower seat switch in about 15 minutes.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower spark plug

How to replace a riding lawn mower spark plug

If the engine is hard to start or if the spark plug electrode is burnt or cracked, take 15 minutes to replace it.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace a riding lawn mower rear tire

How to replace a riding lawn mower rear tire

Your mower can’t run on a damaged rear tire. Here’s how to install a new one.…

Read more
Repair difficulty
Time required
 60 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.

View all
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.…

Read more
Riding lawn mower engine clicks but doesn't turn over video

Riding lawn mower engine clicks but doesn't turn over video

Check the starter solenoid, starter motor, wiring, battery and engine.…

Read more
Riding mower and tractor common questions

Riding mower and tractor common questions

You might find the answers to your questions about your riding mower or lawn tractor in this list of frequently asked qu…

Read more

Parts & More