Ariens
Rear-Engine Riding Mower

Model # 991056 Official Ariens zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Ariens 991056 zero-turn 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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Showing 10 of 337 parts  |

Craftsman Lawn Tractor Pto Switch 01545600
Craftsman lawn tractor pto switch

Part #01545600

In Stock
Spring- Se 08300021
#9

Seat diagram

Spring- se

Part #08300021

In Stock
Cable-posi 03286000
#15

Electrical system diagram

Cable-posi

Part #03286000

In Stock
Nut Coupling 06533500
Nut coupling

Part #06533500

In Stock
@blt-hex .38 05959400
#25

Steering controls diagram

@blt-hex .38

Part #05959400

This item is not returnable
In Stock
Craftsman Ball Bearing 44121
Craftsman ball bearing

Part #44121

In Stock
Machine Screw 06100137
#9

Fuel tanks/hoses diagram

Machine screw

Part #06100137

This item is not returnable
In Stock
Cable- Sta 03492500
#26

Electrical system diagram

Cable- sta

Part #03492500

In Stock
Deck Pushe 02989151
#8

Mounting arms diagram

Deck pushe

Part #02989151

In Stock
Park Grip 03826900
#14

Brakes/linkage diagram

Park grip

Part #03826900

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: faulty battery, bad alternator...

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

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

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

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

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

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

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

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

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 the starter motor on a riding lawn mower

How to replace the starter motor on a riding lawn mower

If you hear the solenoid click but don’t hear the starter motor spin when you turn the key, follow these steps to replac...

Repair difficulty
Time required
30 minutes or less
How to rebuild a riding lawn mower carburetor

How to rebuild a riding lawn mower carburetor

Get your sputtering carburetor running smoothly in 60 minutes....

Repair difficulty
Time required
60 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....

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.

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....