Craftsman
Gas Walk-Behind Mower

Model # 91799620 Official Craftsman 36" mower head

Here are the diagrams and repair parts for Official Craftsman 91799620 36" mower head, as well as links to manuals and error code tables, if available.

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Showing 10 of 77 parts  |

Hitch Pin, 2-pack 4939M
#54

Mower deck 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
$3.98
20% OFF Phone Price : $4.98
In Stock
Bearing 780034
#11

Gear box assembly diagram

Bearing

Part #780034

Replaced by #780034

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Manufacturer substitution
This part replaces 780034. Substitute parts can look different from the original.
In Stock
Washer 19252016
#31

Mower deck diagram

Washer

Part #19252016

Replaced by #532121749

?
Manufacturer substitution
This part replaces 19252016. Substitute parts can look different from the original.
This item is not returnable
$3.98
20% OFF Phone Price : $4.98
In Stock
Coupling 786028
Coupling

Part #786028

Replaced by #786028

?
Manufacturer substitution
This part replaces 786028. Substitute parts can look different from the original.
This item is not returnable
$21.89
22% OFF Phone Price : $27.89
In Stock
Head Assembly 794002
Head assembly

Part #794002

Replaced by #794328A

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Manufacturer substitution
This part replaces 794002. Substitute parts can look different from the original.
In Stock
Input Shaft 776041
#6

Gear box assembly diagram

Input shaft

Part #776041

Replaced by #776041A

?
Manufacturer substitution
This part replaces 776041. Substitute parts can look different from the original.
In Stock
Input Shaft 776040
#5

Gear box assembly diagram

Input shaft

Part #776040

Replaced by #776040A

?
Manufacturer substitution
This part replaces 776040. Substitute parts can look different from the original.
In Stock
Housing 770026
#3

Gear box assembly diagram

Housing

Part #770026

Replaced by #770026A

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Manufacturer substitution
This part replaces 770026. Substitute parts can look different from the original.
In Stock
Gear 778046
#4

Gear box assembly diagram

Gear

Part #778046

Replaced by #778046

?
Manufacturer substitution
This part replaces 778046. Substitute parts can look different from the original.
In Stock
Rh Cover 772034
#8

Gear box assembly diagram

Rh cover

Part #772034

Replaced by #772034

?
Manufacturer substitution
This part replaces 772034. Substitute parts can look different from the original.
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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

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

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

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.

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.…

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.…

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.…

Repair difficulty
Time required
 15 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your walk-behind lawn mower.

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

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

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Types of walk-behind mower blades video

Types of walk-behind mower blades video

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