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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Browse Parts for
99280800 (101-999999) Riding Mowers & Tractors
Weldment 03779059
#1

Discharge chute diagram

Weldment

Part #03779059

In Stock
Ftg- Adp 7 00313392
#18

Hydraulics diagram

Ftg- adp 7

Part #00313392

In Stock
Oil Filter 21535800
#3

Engine/exhaust diagram

Oil filter

Part #21535800

In Stock
Spacer Plate 03791351
#4

Clutch/belt diagram

Spacer plate

Part #03791351

In Stock
Decal Housing 00180693
#11

Decals-safety diagram

Decal housing

Part #00180693

In Stock
Hose Hyd 00180652
#5

Hydraulics diagram

Hose hyd

Part #00180652

In Stock
Ring- Rue 00967357
#5

Deck mount diagram

Ring- rue

Part #00967357

In Stock
Decal Pump 00180779
#12

Decals-safety diagram

Decal pump

Part #00180779

In Stock
Relay Isolator 00102770
#1

Electrical system diagram

Relay isolator

Part #00102770

In Stock
Lawn Tractor Choke Control Cable 00180273
Lawn tractor choke control cable

Part #00180273

$84.86
7% OFF Phone Price : $90.86
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.…