Ariens
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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Model diagram and schematic

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ALL PARTS
Showing 10 of 343 parts  |

Craftsman Hose Clamp 06939100
Craftsman hose clamp

Part #06939100

In Stock
Ariens Roller 09078100
#11

Mounting brackets/rollers diagram

Ariens roller

Part #09078100

In Stock
Hose Tee 00277900
#9

Hydraulic tank/pump to tank circuit diagram

Hose tee

Part #00277900

In Stock
Bracket 09282900
#24

Transmission diagram

Bracket

Part #09282900

In Stock
Craftsman Lawn Tractor Pto Switch 01545600
Craftsman lawn tractor pto switch

Part #01545600

In Stock
Lock Washer 06309500
#11

Lift diagram

Lock washer

Part #06309500

This item is not returnable
In Stock
Hot Decal 07754100
#3

Decals diagram

Hot decal

Part #07754100

In Stock
Lock Nut 06536000
Lock nut

Part #06536000

This item is not returnable
In Stock
Ftg- Hyd S 07062100
#12

Deck lift/motors/pump circuits diagram

Ftg- hyd s

Part #07062100

In Stock
Bushing 05525200
#14

Steering controls diagram

Bushing

Part #05525200

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

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

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

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

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

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

Main causes: faulty battery, bad alternator…

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.…