Model #10321-790001 & UP Lawn-Boy lawn mower
Here are the repair parts and diagrams for your Lawn-Boy 10321-790001-UP lawn mower.
The diagram(s) below can help you find the right part. If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.
On this page, you can also find any manuals, installation guides and error code tables associated with this model.
For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.
Showing 10 of 109 parts
#5
Engine assembly Diagram
Oil decal
Part #92-4851
The manufacturer no longer makes this part, and there's no substitute part
#15
Gear assembly Diagram
Pinion
Part #60-8890
The manufacturer no longer makes this part, and there's no substitute part
#14
Engine assembly Diagram
Decal
Part #65-2690
The manufacturer no longer makes this part, and there's no substitute part
#26
Housing assembly Diagram
Screw
Part #92-9665
The manufacturer no longer makes this part, and there's no substitute part
#7
Handle assembly Diagram
Traction cable
Part #92-7726
The manufacturer no longer makes this part, and there's no substitute part
#18
Rear axle assembly Diagram
Wheel cover
Part #94-1609
The manufacturer no longer makes this part, and there's no substitute part
#27
Housing assembly Diagram
Drive cover
Part #614671
The manufacturer no longer makes this part, and there's no substitute part
#34
Housing assembly Diagram
Discharge decal
Part #92-1097
The manufacturer no longer makes this part, and there's no substitute part
#14
Rear axle assembly Diagram
Washer
Part #65-4730
The manufacturer no longer makes this part, and there's no substitute part
#4
Gear assembly Diagram
Pin
Part #3285-19
The manufacturer no longer makes this part, and there's no substitute part
Symptoms for gas walk-behind mowers
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.
The drive cable engages the transmission to spin the drive wheels and move the mower across the grass. Replace the drive cable if it's broken or frozen up inside the sheath.
Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.
The safety switch stops the engine when you release the lever on the handle. This repair guide explains how to replace it if it's not working correctly.
Articles and videos common to all walk-behind mowers
Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.
Learn about the different kinds of mower blades and how to maintain them.