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Model # 3934 Official Craftsman lawn mower
Here are the diagrams and repair parts for Official Craftsman 3934 lawn mower, as well as links to manuals and error code tables, if available.
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3934 Walk-Behind Mowers
#2
Handle assembly diagram
Rope guide
Part #92-1021
Replaced by #86-9671
?
Manufacturer substitution
This part replaces 92-1021. Substitute parts can look different from the original.
This item is not returnable
$5.74 |
15% OFF Phone Price : $6.74
In Stock
#17
Deck & wheel assembly (hand push) diagram
Shoulder bolt
Part #614650
Replaced by #614650
?
Manufacturer substitution
This part replaces 614650. Substitute parts can look different from the original.
This item is not returnable
$5.97
In Stock
#13
2 cycle engine, fuel tank & blade assembly diagram
Screw engine
Part #92-1624
Replaced by #95-1726
?
Manufacturer substitution
This part replaces 92-1624. Substitute parts can look different from the original.
This item is not returnable
$3.74
In Stock
Washer
Part #40-1940
Replaced by #40-1940
?
Manufacturer substitution
This part replaces 40-1940. Substitute parts can look different from the original.
This item is not returnable
$3.31
In Stock
#16
Deck & wheel assembly (self propelled) diagram
Gear case a
Part #684766
Replaced by #684766
?
Manufacturer substitution
This part replaces 684766. Substitute parts can look different from the original.
$756.43
In Stock
#17
Rear axle assembly diagram
Shoulder bolt
Part #92-1057
Replaced by #92-1057
?
Manufacturer substitution
This part replaces 92-1057. Substitute parts can look different from the original.
This item is not returnable
$4.63
In Stock
#26
2 cycle engine assembly diagram
Carburetor assembly
Part #92-1700
Replaced by #92-1700
?
Manufacturer substitution
This part replaces 92-1700. Substitute parts can look different from the original.
$342.45
In Stock
#5
Recoil starter assembly diagram
Dog
Part #92-4931
Replaced by #92-4931
?
Manufacturer substitution
This part replaces 92-4931. Substitute parts can look different from the original.
$22.46
In Stock
#9
Handle assembly diagram
Screw
Part #614697
Replaced by #614697
?
Manufacturer substitution
This part replaces 614697. Substitute parts can look different from the original.
This item is not returnable
$5.29
In Stock
#8
Gear case assembly diagram
Pin
Part #3285-19
Replaced by #3285-19
?
Manufacturer substitution
This part replaces 3285-19. Substitute parts can look different from the original.
This item is not returnable
$3.74
In Stock
Symptoms for gas walk-behind mowers
Choose a symptom to see related walk-behind mower repairs.
Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…
Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…
Main causes: uneven wheel height settings, damaged wheel, dull or damaged cutting blade…
Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…
Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…
Main causes: damaged cutting blade, loose cutting blade, damaged flywheel key, engine needs tune up…
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
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
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
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.
Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…
Get answers to frequently asked questions about Sears and Sears PartsDirect.…
Learn about the different kinds of mower blades and how to maintain them.…