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Ariens
Gas Walk-Behind Mower

Model # A149K21 (96136000602) Official Ariens lawn mower

Here are the diagrams and repair parts for Official Ariens A149K21-96136000602 lawn mower, as well as links to manuals and error code tables, if available.

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

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Owner’s manual

Model diagram and schematic

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ALL PARTS
Showing 10 of 66 parts  |
Lawn & Garden Equipment Nut 409148
#61

Lawn mower diagram

Lawn & garden equipment nut

Part #409148

Replaced by #532409149

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Manufacturer substitution
This part replaces 409148. Substitute parts can look different from the original.
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Lawn Mower Hex Flange Nut 409149
#39

Lawn mower diagram

Lawn mower hex flange nut

Part #409149

Replaced by #532409149

?
Manufacturer substitution
This part replaces 409149. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Lawn Mower Rear Skirt 418655
#21

Lawn mower diagram

Lawn mower rear skirt

Part #418655

Replaced by #532416860

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Manufacturer substitution
This part replaces 418655. Substitute parts can look different from the original.
BEST SELLER
$15.98 | 
11% OFF Phone Price : $17.98
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Bolt 401638
#36

Lawn mower diagram

Bolt

Part #401638

Replaced by #596203801

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Manufacturer substitution
This part replaces 401638. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Rear Door Assembly 401814X428
#23

Lawn mower diagram

Rear door assembly

Part #401814X428

Replaced by #532401814

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Manufacturer substitution
This part replaces 401814X428. Substitute parts can look different from the original.
This item is not returnable
$23.98 | 
20% OFF Phone Price : $29.98
In Stock
Rod.hinge.co 147286
#51

Lawn mower diagram

Rod.hinge.co

Part #147286

Replaced by #532147286

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Manufacturer substitution
This part replaces 147286. Substitute parts can look different from the original.
This item is not returnable
$9.31 | 
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In Stock
Height Spacer 401629
#30

Lawn mower diagram

Height spacer

Part #401629

Replaced by #532401629

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Manufacturer substitution
This part replaces 401629. Substitute parts can look different from the original.
This item is not returnable
$5.31 | 
16% OFF Phone Price : $6.31
In Stock
Lawn Mower Screw (replaces 8174113-12) 17411312
#77

Lawn mower diagram

Lawn mower screw (replaces 8174113-12)

Part #17411312

Replaced by #817411312

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Manufacturer substitution
This part replaces 17411312. Substitute parts can look different from the original.
$8.54
In Stock
Bolt 74780512
#8

Lawn mower diagram

Bolt

Part #74780512

Replaced by #596030501

?
Manufacturer substitution
This part replaces 74780512. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock
Lawn & Garden Equipment Washer (replaces 532851074, 5328510-74) 851074
#55

Lawn mower diagram

Lawn & garden equipment washer (replaces 532851074, 5328510-74)

Part #851074

Replaced by #532851074

?
Manufacturer substitution
This part replaces 851074. Substitute parts can look different from the original.
This item is not returnable
$6.83
In Stock

Symptoms for gas walk-behind mowers

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

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Why does my lawn mower vibrate a lot?

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

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Why does my lawn mower cut unevenly?

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

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Why does my lawn mower run rough?

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

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Why won't my lawn mower move?

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

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Why won't my lawn mower start?

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

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Why does my lawn mower stall?

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

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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.

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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.…

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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.…

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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.…

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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.

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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.…

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Top questions about Sears and Sears PartsDirect

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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.…

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