Craftsman
Front-Engine Lawn Tractor

Model #91725721 Official Craftsman st 10 garden tractor

Here are the diagrams and repair parts for Craftsman 91725721 st 10 garden tractor, as well as links to manuals and error code tables, if available.

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Showing 10 of 500 parts

Lawn Tractor Axle Flange Bearing (replaces 532009040, 5320090-40, 532124959, 577203109, 5920H, 5920H1, P-1246, P-1622)#40

Grill and engine mount assembly Diagram

Flange bearing

Part #9040H
Replaced by #9040H
?
Manufacturer substitution
This part replaces 9040H. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
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$5.67 | 
38% OFF 
MSRP: $9.09
Lawn Tractor Axle Cap (replaces 104757X428)#44

Grill and engine mount assembly Diagram

Hub cap

Part #2118R
Replaced by #532104757
?
Manufacturer substitution
This part replaces 2118R. Substitute parts can look different from the original.
BEST SELLER
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In Stock
$2.56 | 
28% OFF 
Phone Price: $3.56
Lawn Tractor Starter Solenoid (replaces 146154, 5321461-54)

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Solenoid

Part #103R
Replaced by #532146154
?
Manufacturer substitution
This part replaces 103R. Substitute parts can look different from the original.
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In Stock
$21.92 | 
19% OFF 
Phone Price: $26.92
Lawn & Garden Equipment Ring Clip (replaces 11X3, 12000001, 1200000-1, 1200001, 21432, 25055, 36625, 38534, 46817, 5000P, 52913, 812000034, 98000071, 9800071, STD580105, STD581075, X-1003)

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E-ring

Part #5000P
Replaced by #812000029
?
Manufacturer substitution
This part replaces 5000P. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$2.56 | 
28% OFF 
Phone Price: $3.56
Lawn Tractor Ignition Switch (replaces 5323654-02, STD365402)

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Starter swtc

Part #4406R
Replaced by #532365402
?
Manufacturer substitution
This part replaces 4406R. Substitute parts can look different from the original.
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$19.29 | 
9% OFF 
Phone Price: $21.29
Lawn & Garden Equipment Bolt (replaces 140080)#64C

Transaxle and engine Diagram

Hub bolt

Part #1304H
Replaced by #596218701
?
Manufacturer substitution
This part replaces 1304H. Substitute parts can look different from the original.
BEST SELLER
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In Stock
$2.49 | 
29% OFF 
Phone Price: $3.49
Lawn Tractor Brake Lever Foot Pad (replaces 5320088-83, 8883R)#19

Grill and engine mount assembly Diagram

Foot

Part #8156H
Replaced by #532008883
?
Manufacturer substitution
This part replaces 8156H. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
In Stock
$3.69 | 
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Phone Price: $4.69
Bolt#36

Electrical system and wiring diagram Diagram

Bolt

Part #100P

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

Lawn Tractor Ground Drive Flat Fixed Idler Pulley (replaces 6635H)#22

Drive assembly Diagram

Flat idler

Part #6635H
Replaced by #583772001
?
Manufacturer substitution
This part replaces 6635H. Substitute parts can look different from the original.
This item is not returnable
In Stock
$22.89 | 
21% OFF 
MSRP: $29.00
Lawn Tractor Wheel Rim (replaces 106277X417, 532186866, 581832101, 583649701, 583649801, 593144801)#1

Transaxle and engine Diagram

Rear wheel

Part #2893R
Replaced by #532106277
?
Manufacturer substitution
This part replaces 2893R. Substitute parts can look different from the original.
In Stock
$109.70 | 
22% OFF 
MSRP: $140.00

Symptoms common to all 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 mandrel pulleys
Main causes: damaged cutting blade, worn deck pulley, damaged mandrel pulley, loose fasteners on mower deck components
Main causes: faulty battery, bad alternator
Main causes: unlevel mower deck, dull or damaged cutting blades, worn mandrel pulleys, bent mower deck, engine needs tune up
Main causes: worn or broken ground drive belt, bad seat switch, transaxle freewheel control engaged, transaxle failure, dirty carburetor
Main causes: engine overfilled with oil, leaky head gasket or sump gasket, damaged carburetor seals, cracked fuel pump, broken fuel line
Main causes: shift lever needs adjustment, neutral control needs adjustment
Main causes: damaged tie rods, bent or worn wheel spindle, worn front axle, damaged sector gear assembly
Main causes: punctured tire or inner tube, leaky valve stem, damaged wheel rim

Repair guides common to all 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 riding lawn mower rear tire

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

Repair difficulty
Time required
 60 minutes or less
How to replace a riding lawn mower blade

If a blade on your mower is dull or bent, replace it following the steps in this repair guide.

Repair difficulty
Time required
 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 difficulty
Time required
 15 minutes or less

Articles and videos common to all 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.

August 6, 2020

How to remove a lawn mower blade using a removal tool

How to remove a lawn mower blade using a removal tool

Learn how a blade removal tool makes replacing the blade easier and safer

April 9, 2019

Riding mower parts and supplies to stock up on video

Riding mower parts and supplies to stock up on video

Keep these 6 things on hand to keep the mower season running smoothly.

March 1, 2016

Charging a battery in a riding lawn mower video

Charging a battery in a riding lawn mower video

Learn how to use a battery charger if your mower battery is dead.