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Craftsman
Gas Walk-Behind Mower

Model # 91760639 Official Craftsman sickle bar lawn mower

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

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Model diagram and schematic

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ALL PARTS
Showing 10 of 140 parts  |
Nut 5394H
#48

Cutter bar diagram

Nut

Part #5394H

Replaced by #73930600

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Manufacturer substitution
This part replaces 5394H. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Needle Brg 4895H
#6

Cutter bar diagram

Needle brg

Part #4895H

Replaced by #532004895

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Manufacturer substitution
This part replaces 4895H. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$12.79 | 
14% OFF Phone Price : $14.79
In Stock
Hitch Pin, 2-pack 4939M
#57E

Cutter bar diagram

Hitch pin, 2-pack

Part #4939M

Replaced by #596919601

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Manufacturer substitution
This part replaces 4939M. Substitute parts can look different from the original.
This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Lock Washer 10030500
#50

Main frame diagram

Lock washer

Part #10030500

Replaced by #596238801

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Manufacturer substitution
This part replaces 10030500. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Wizard Lawn Tractor Grease Fitting (replaces 1641, 40493, 532006855, 532124836, 532155595, 62569, 706, Lp-706) 6855M
#16

Main frame diagram

Wizard lawn tractor grease fitting (replaces 1641, 40493, 532006855, 532124836, 532155595, 62569, 706, lp-706)

Part #6855M

This item is not returnable
$2.49 | 
29% OFF Phone Price : $3.49
In Stock
Washer 19111116
#40

Main frame diagram

Washer

Part #19111116

Replaced by #596204101

?
Manufacturer substitution
This part replaces 19111116. Substitute parts can look different from the original.
This item is not returnable
$2.16
In Stock
Cap Screw 04760512
#54K

Main frame diagram

Cap screw

Part #04760512

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

Washer 09141614
#41

Main frame diagram

Washer

Part #09141614

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

Rivet 5297H
#54B

Main frame diagram

Rivet

Part #5297H

Replaced by #4929H

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Manufacturer substitution
This part replaces 5297H. Substitute parts can look different from the original.
This item is not returnable
$6.60 | 
13% OFF Phone Price : $7.60
Back Order
Washer 19141614
Washer

Part #19141614

Replaced by #596433701

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

Symptoms for gas walk-behind mowers

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

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Why does my lawn mower vibrate a lot?

Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…

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Why does my lawn mower cut unevenly?

Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…

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Why does my lawn mower run rough?

Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

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Why won't my lawn mower move?

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

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Why won't my lawn mower start?

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

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Why does my lawn mower stall?

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

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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.

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How to rebuild a lawn mower carburetor

How to rebuild a lawn mower carburetor

The carburetor mixes air with fuel to drive the piston. Rebuild the carburetor if it's clogged or leaks.…

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Repair difficulty
Time required
 60 minutes or less
How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

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Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

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.…

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Repair difficulty
Time required
 15 minutes or less

Effective articles & videos to help repair your walk-behind mowers

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Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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Types of walk-behind mower blades video

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