Ariens
Gas Walk-Behind Mower

Model # 91127100 (101-999999) Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens 91127100-101-999999 lawn mower, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 135 parts  |

Lock Washer 06308000
#9

Mower deck/bagger diagram

Lock washer

Part #06308000

This item is not returnable
In Stock
Catcher Plate 01159759
#33

Mower deck/bagger diagram

Catcher plate

Part #01159759

In Stock
Ariens Hex Bushing 00979800
#17

Transmission/height of cut diagram

Ariens hex bushing

Part #00979800

In Stock
Spacer- Id 01259000
#34

Transmission/height of cut diagram

Spacer- id

Part #01259000

In Stock
Torsion Spring 08322400
#7

Mower deck/bagger diagram

Torsion spring

Part #08322400

In Stock
Lawn & Garden Equipment Lock Nut 06545400
#19

Handlebar/controls diagram

Lawn & garden equipment lock nut

Part #06545400

This item is not returnable
In Stock
Washer 06435800
#33

Transmission/height of cut diagram

Washer

Part #06435800

This item is not returnable
In Stock
Lawn & Garden Equipment Washer 06436400
#38

Mower deck/bagger diagram

Lawn & garden equipment washer

Part #06436400

This item is not returnable
In Stock
Ariens Height Weldment 00979600
#10

Transmission/height of cut diagram

Ariens height weldment

Part #00979600

In Stock
Ariens Hand Bracket 00980051
#16

Handlebar/controls diagram

Ariens hand bracket

Part #00980051

In Stock

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your walk-behind mowers

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

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.…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

Learn about the different kinds of mower blades and how to maintain them.…