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Lawn-Boy
Gas Snowblower

Model # 320 (28222-7900001 & UP) Official Lawn-Boy snow thrower

Here are the diagrams and repair parts for Official Lawn-Boy 320-28222-7900001-UP snow thrower, as well as links to manuals and error code tables, if available.

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  • 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”.

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

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Model diagram and schematic

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Showing 10 of 250 parts  |
Primer 66-7460
#12

Upper shroud assembly (continued) diagram

Primer

Part #66-7460

Replaced by #66-7460

?
Manufacturer substitution
This part replaces 66-7460. Substitute parts can look different from the original.
This item is not returnable
$8.49
In Stock
Toro Screw 12-3270
#25

Rotor housing assembly diagram

Toro screw

Part #12-3270

This item is not returnable
$3.87
In Stock
Screw 84-1971
#6

Rotor assembly diagram

Screw

Part #84-1971

Replaced by #136-7182

?
Manufacturer substitution
This part replaces 84-1971. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Nut 3296-2
Nut

Part #3296-2

Replaced by #3296-2

?
Manufacturer substitution
This part replaces 3296-2. Substitute parts can look different from the original.
This item is not returnable
$3.97
In Stock
Mounting Pull Hub 71-5070
#23

Rotor housing assembly diagram

Mounting pull hub

Part #71-5070

Replaced by #71-5070

?
Manufacturer substitution
This part replaces 71-5070. Substitute parts can look different from the original.
$26.51
In Stock
Screw 92-6019
Screw

Part #92-6019

Replaced by #94-2789

?
Manufacturer substitution
This part replaces 92-6019. Substitute parts can look different from the original.
This item is not returnable
$2.86
In Stock
Washer 3256-55
#20

Rotor housing assembly diagram

Washer

Part #3256-55

Replaced by #3256-55

?
Manufacturer substitution
This part replaces 3256-55. Substitute parts can look different from the original.
$7.74
In Stock
Danger Decal 94-2900
#3

Upper shroud assembly (continued) diagram

Danger decal

Part #94-2900

Replaced by #104-4135

?
Manufacturer substitution
This part replaces 94-2900. Substitute parts can look different from the original.
$8.46
In Stock
Washer 3256-61
#21

Upper shroud assembly (continued) diagram

Washer

Part #3256-61

Replaced by #3256-61

?
Manufacturer substitution
This part replaces 3256-61. Substitute parts can look different from the original.
This item is not returnable
$3.74
In Stock
Nut 3290-225
#8

Handle assembly diagram

Nut

Part #3290-225

Replaced by #3290-225

?
Manufacturer substitution
This part replaces 3290-225. Substitute parts can look different from the original.
$16.74
In Stock

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