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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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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 250 parts  |
Lock Nut 3296-29
Lock nut

Part #3296-29

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

Nut 32149-1
#40

Upper shroud assembly (continued) diagram

Nut

Part #32149-1

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

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
Spacer 57-3830
#7

Rotor housing assembly diagram

Spacer

Part #57-3830

Replaced by #57-3830

?
Manufacturer substitution
This part replaces 57-3830. Substitute parts can look different from the original.
$9.71
In Stock
Washer 3256-68
#43

Upper shroud assembly (continued) diagram

Washer

Part #3256-68

Replaced by #3256-68

?
Manufacturer substitution
This part replaces 3256-68. Substitute parts can look different from the original.
This item is not returnable
$5.74
In Stock
Starter Motor 77-0402
Starter motor

Part #77-0402

Replaced by #77-0400

?
Manufacturer substitution
This part replaces 77-0402. Substitute parts can look different from the original.
$695.35
In Stock
Deflector 56-2680
#44

Upper shroud assembly (continued) diagram

Deflector

Part #56-2680

Replaced by #56-2680

?
Manufacturer substitution
This part replaces 56-2680. Substitute parts can look different from the original.
$24.07
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
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

Symptoms for gas snowblowers

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Main causes: loose drive clutch cable, damaged drive clutch cable, worn friction disc, scraper blade scraping the ground…

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Why won't my snowblower throw snow far enough?

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How do I tune up my snowblower?

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