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Lawn-Boy
Gas Snowblower

Model # 522R (28230-7900001 & UP) Official Lawn-Boy snow thrower

Here are the diagrams and repair parts for Official Lawn-Boy 522R-28230-7900001-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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ALL PARTS
Showing 10 of 388 parts  |
Lock Nut 3296-29
Lock nut

Part #3296-29

The manufacturer no longer makes this part, and there's no substitute part

Belt 37-9090
#26

Engine assembly diagram

Belt

Part #37-9090

Replaced by #37-9090

?
Manufacturer substitution
This part replaces 37-9090. Substitute parts can look different from the original.
$26.74
In Stock
Bearing Assembly 12-8789

#NI

All parts diagram

Bearing assembly

Part #12-8789

$34.22
In Stock
Gear 5-7180
#43

Auger assembly (continued) diagram

Gear

Part #5-7180

$160.73
In Stock
Screw 12-3270
#4

Traction assembly diagram

Screw

Part #12-3270

This item is not returnable
$3.87
In Stock
Axle Bearing 37-6850
#23

Traction assembly diagram

Axle bearing

Part #37-6850

Replaced by #37-6850

?
Manufacturer substitution
This part replaces 37-6850. Substitute parts can look different from the original.
$40.33
In Stock
Spring 37-8880
#6

Traction assembly (continued) diagram

Spring

Part #37-8880

Replaced by #37-8880

?
Manufacturer substitution
This part replaces 37-8880. Substitute parts can look different from the original.
$25.04
In Stock
Screw 32144-41
#56

Auger assembly (continued) diagram

Screw

Part #32144-41

Replaced by #32144-41

?
Manufacturer substitution
This part replaces 32144-41. Substitute parts can look different from the original.
$9.49
In Stock
Retaining Ring 32151-61
#35

Traction assembly (continued) diagram

Retaining ring

Part #32151-61

Replaced by #32151-61

?
Manufacturer substitution
This part replaces 32151-61. Substitute parts can look different from the original.
This item is not returnable
$4.83
In Stock
Roll Pin 32121-31
#24

Traction assembly diagram

Roll pin

Part #32121-31

Replaced by #32121-31

?
Manufacturer substitution
This part replaces 32121-31. Substitute parts can look different from the original.
This item is not returnable
$6.91
In Stock

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