Ariens
Rear-Engine Riding Mower

Model # 99280800 (101-999999) Official Ariens zero-turn riding lawn mower

Here are the diagrams and repair parts for Official Ariens 99280800-101-999999 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 348 parts  |

Pump Rod 00180967
#6

Pump diagram

Pump rod

Part #00180967

In Stock
Foam- .125 00180897
Foam- .125

Part #00180897

This item is not returnable
In Stock
Washer- .7 00180992
#26

Front axle/casters/wheels diagram

Washer- .7

Part #00180992

In Stock
Ring- Rue 00967354
Ring- rue

Part #00967354

In Stock
Ftg- 90 1/ 00191605
Ftg- 90 1/

Part #00191605

In Stock
Attachment Decal 00181254
#4

Decals-safety diagram

Attachment decal

Part #00181254

In Stock
Spindle Cap 00181288
#22

Belts/idlers/blades diagram

Spindle cap

Part #00181288

In Stock
Clutch- El 00180923
Clutch- el

Part #00180923

In Stock
U-bolt- Rd 00181485
U-bolt- rd

Part #00181485

In Stock
Weldment 03814551
#3

Steering controls/fuel tank diagram

Weldment

Part #03814551

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.…