Craftsman
Gas Walk-Behind Mower

Model #91760639 Craftsman sickle bar lawn mower

Here are the diagrams and repair parts for Craftsman 91760639 sickle bar lawn mower, as well as links to manuals and error code tables, if available.


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Showing 10 of 140 parts

Lawn Tractor Grease Fitting

#16

Main frame Diagram

Lawn tractor grease fitting

Part #6855M
This item is not returnable
$2.60 | 
11% OFF MSRP:$2.92

In Stock

Lawn Tractor Lock Washer

#50

Main frame Diagram

Lawn tractor lock washer

Part #539990187
?
Manufacturer substitution
This part replaces 10030500. Substitute parts can look different from the original.
This part replaces 10030500
This item is not returnable
$2.49

In Stock

Lawn Tractor Primary Clutch Arm Knob

#3

Cutter bar Diagram

Lawn tractor primary clutch arm knob

Part #532162132
?
Manufacturer substitution
This part replaces 9439M. Substitute parts can look different from the original.
This part replaces 9439M
This item is not returnable
$5.86

In Stock

Screw

#57G

Cutter bar Diagram

Screw

Part #04470408

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

WASHER WASH

#48

Main frame Diagram

Washer wash

Part #596433701
?
Manufacturer substitution
This part replaces 19141614. Substitute parts can look different from the original.
This part replaces 19141614
This item is not returnable
$2.16

In Stock

Nut

#36

Main frame Diagram

Nut

Part #03221000

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

Roll Pin, 5-pack

#54F

Main frame Diagram

Roll pin, 5-pack

Part #STD571810
?
Manufacturer substitution
This part replaces 1572H. Substitute parts can look different from the original.
This part replaces 1572H
This item is not returnable
$2.10

In Stock

Flat Washer, 8-pack

#29

Main frame Diagram

Flat washer, 8-pack

Part #STD551050
?
Manufacturer substitution
This part replaces 09182212. Substitute parts can look different from the original.
This part replaces 09182212
This item is not returnable
$2.15

Back Order

Hex Nut, 8-pack

#50

Cutter bar Diagram

Hex nut, 8-pack

Part #STD541025
?
Manufacturer substitution
This part replaces 03220400. Substitute parts can look different from the original.
This part replaces 03220400
This item is not returnable
$2.36

Back Order

Cap Screw

#57K

Cutter bar Diagram

Cap screw

Part #04020408

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

Symptoms for gas walk-behind mowers

Choose a symptom to see related walk-behind mower repairs.

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, bad ignition coil

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.

March 1, 2016
By Lyle Weischwill
How to replace a lawn mower drive cable

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.

Repair difficulty
Time required
 60 minutes or less
April 1, 2013
By Lyle Weischwill
How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.

Repair difficulty
Time required
 15 minutes or less
April 1, 2013
By Lyle Weischwill
How to replace a lawn mower safety switch

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.

Repair difficulty
Time required
 30 minutes or less

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.

October 1, 2019

Types of walk-behind mower blades video

By Sears PartsDirect staff

Learn about the different kinds of mower blades and how to maintain them.