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Your Lawn Mower Model Number Could Be
  • On top of the frame of the mower
  • Rear left side of the deck
  • On the left side of the frame
  • On top of the engine cover
  • On the back of the blade housing, near the discharge chute

Sample Model Number Tag

The model number will most likely appear on either a paper sticker or a metal plate.

Model numbers can be made up of numbers, letters, or a combination of both such as "1005400" or "LAT100AAE".

They may also include the brand name or a year of production such as "16400 3900001-3999999 – 1993" or "2150LE-PREDATOR TYPE 1".

See All Ariens Lawn Mower Parts & Repair Help | Fix.com Parts

Select Your Ariens Lawn Mower Model

Popular Lawn Mower Models

We Have 310 Models. Need help finding your model number?

 

911016-000101
(LM21S)
Mower
911016-045201
(LM21S)
5HP Tec., Recoil, 21-In. Self Propelled
911016-084500
(LM21S)
Mower
911020
(000101)
LM21SB, 5hp Tec., Recoil, 21in Self Propelled
911020
(012401)
LM21SB 5hp Tec., Recoil, 21in Self Propelled
911020
(020400)
LM21SB, 5hp Tec., Recoil, 21in Self Propelled
911034
(000101)
LM21S 4HP Tec. Recoil 21-Inch Self Propelled
911034
(001350)
LM21S 4HP Tec. Recoil 21-Inch Self Propelled
911035
(000101)
LM21S 21" Self Propelled Mower
911035
(002250)
LM21S 21" Self Propelled Mower
911036
(000101)
LM21 21" Push Mower
911036
(001750)
LM21 21" Push Mower
911037
(000101)
LM21 21" Self Propelled Mower
911038
(000101)
LM21SE 21" Self Propelled Mower
911040
(000101)
LM21S 21" Self Propelled Mower
911041
(000101)
LM21 21" Push Mower
911042
(000101)
LM213 21" Push Mower
911042
(005001)
LM213 21" Push Mower
911042
(008001)
LM213 21" Push Mower
911043
(000101)
LM225 21" Push Mower
 See All Models >

Popular Ariens Lawn Mower Parts

Locknut - 5/16-18 Hex, Plated
$2.22
In Stock
Bolt, Round Head Square Short Neck .31-18 x .62
$2.22
In Stock
Locknut - 1/4-20 Hex, Plated
$2.22
In Stock
This locknut fits various lawn and gardening tools. The lock nut is used to prevent loosening when threaded onto a bolt for security. If parts are loose in your tool, then replacing the lock nut can help solve your problem. For correct location in your tool, refer to installation instructions provided by the manufacturer.
Friction Wheel
$30.72
In Stock
Carriage Bolt 5/16-18 x 1/2
$2.22
In Stock
Washer
$2.99
In Stock
Scr-Tap 10-24 X .484 Hwh Tr
$2.22
In Stock
V-Belt 3L Section
$19.32
In Stock
Key - Set
$4.50
In Stock
Washer, 5/16
$2.22
In Stock
This is a washer for your lawn equipment. It is made of metal and is used in various locations within your unit. This is a commonly replaced part because it is small and easy to lose. The diameter is 5/16 inches, and it is sold individually.
Bushing, Flange .33 x .44 x .44 x .56
$3.99
In Stock
21" Mower Blade
$22.74
In Stock

Lawn Mower Repair By Symptom

25% Engine misfires
25% of Customers Reported
If your lawn mower engine misfires, it could be caused by a problem with the spark plug, valves, or ignition coil. Learn how to check each part with our repair guide.
25% Excess vibration
25% of Customers Reported
Find out why your lawn mower is vibrating excessively with our repair help. We have tips for checking the blade and crankshaft, to determine what is causing this problem.
25% Mower blade does not cut
25% of Customers Reported
If your lawn mower blade does not cut, it could mean the blades or blade bolt need repairing. Find out how to troubleshoot these parts with our guide.
25% Oil leak
25% of Customers Reported
When your lawn mower is leaking oil, the source could be one of the seals, tubes, or gaskets. Learn how to check each of these parts to find the source of the leak.
See All Symptoms >