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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Model diagram and schematic

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Showing 10 of 77 parts  |

E-ring 98000071
#32

Mower deck diagram

E-ring

Part #98000071

Replaced by #812000029

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Manufacturer substitution
This part replaces 98000071. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$3.50
22% OFF Phone Price : $4.50
In Stock
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
Washer 19252016
#31

Mower deck diagram

Washer

Part #19252016

Replaced by #532121749

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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
Lock Nut 03510500
#50

Mower deck diagram

Lock nut

Part #03510500

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

Head Assembly 794001
Head assembly

Part #794001

Replaced by #794327A

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Manufacturer substitution
This part replaces 794001. 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
Coupling 786028
Coupling

Part #786028

Replaced by #786028

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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
Lh Cover 772035
#9

Gear box assembly diagram

Lh cover

Part #772035

Replaced by #772035

?
Manufacturer substitution
This part replaces 772035. Substitute parts can look different from the original.
In Stock
Output Shaft 776042
#7

Gear box assembly diagram

Output shaft

Part #776042

Replaced by #776042

?
Manufacturer substitution
This part replaces 776042. Substitute parts can look different from the original.
In Stock
Gasket 788028
#10

Gear box assembly diagram

Gasket

Part #788028

Replaced by #788028

?
Manufacturer substitution
This part replaces 788028. Substitute parts can look different from the original.
This item is not returnable
In Stock

Symptoms for gas walk-behind mowers

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

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

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

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

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…

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

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 replace a lawn mower spark plug

How to replace a lawn mower spark plug

Take a few minutes to replace the spark plug during your lawn mower's annual tune-up or if the spark plug is burnt or cr…

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

How to replace a lawn mower blade

Check your lawn mower blade regularly and replaced it if it's bent or damaged. …

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower flywheel key on a flathead engine

How to replace a lawn mower flywheel key on a flathead engine

When you hit a hard object with your mower, the flywheel can shear to protect more expensive components. Learn how to re…

Repair difficulty
Time required
 45 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.…

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Introducing new technical repair content that we’re developing for the Sears Technical Institute

Learn about Sears Technical Institute and the advanced technical content being developed for aspiring appliance techs.…

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Top questions about Sears and Sears PartsDirect

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