Rear-Engine Riding Mower

Model # 99231200 (101-999) Official Ariens riding lawn mower

Here are the diagrams and repair parts for Official Ariens 99231200 (101-999) riding lawn mower, as well as links to manuals and error code tables, if available.

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Browse Parts for
99231200 (101-999) Riding Mowers & Tractors
Craftsman Hex Jam Nut 06535900
#7

Steering controls diagram

Craftsman hex jam nut

Part #06535900

This item is not returnable
In Stock
Lawn Tractor Engine Woodruff Key 06608700
#15

Brakes diagram

Lawn tractor engine woodruff key

Part #06608700

This item is not returnable
In Stock
Craftsman Lawn Tractor Pto Switch 01545600
Craftsman lawn tractor pto switch

Part #01545600

In Stock
Wave Washer 03704900
#26

Steering controls diagram

Wave washer

Part #03704900

This item is not returnable
In Stock
Nut Coupling 06533500
#14

Transmission diagram

Nut coupling

Part #06533500

In Stock
Hose-hyd . 09281700
#11

Deck lift/motors/pump circuits diagram

Hose-hyd .

Part #09281700

In Stock
Ariens Standoff 00271200
#14

Deck/mounting arms/belt guards diagram

Ariens standoff

Part #00271200

In Stock
Slinger 09238200
#20

Belts/spindles/idlers/blades diagram

Slinger

Part #09238200

In Stock
Ariens Bracket, Mower Mounting (4) 09290153
#1

Mounting brackets/rollers diagram

Ariens bracket, mower mounting (4)

Part #09290153

In Stock
Ariens Lock Nut 06541700
#31

Steering controls diagram

Ariens lock nut

Part #06541700

This item is not returnable
In Stock

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

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

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

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.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…

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.…