Murray
Complete Deck

Model # 403207A Official Murray mower deck

Here are the diagrams and repair parts for Official Murray 403207A mower deck, 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 57 parts  |

Hairpin Pin 31X4
#38

25" complete mower housing diagram

Hairpin pin

Part #31X4

Replaced by #703300

?
Manufacturer substitution
This part replaces 31X4. Substitute parts can look different from the original.
This item is not returnable
$6.69
13% OFF Phone Price : $7.69
In Stock
Hairpin Pin 31X6
#13

25" complete mower housing diagram

Hairpin pin

Part #31X6

Replaced by #703300

?
Manufacturer substitution
This part replaces 31X6. Substitute parts can look different from the original.
This item is not returnable
$6.69
13% OFF Phone Price : $7.69
In Stock
Flange Nut 15X79
#10

25" complete mower housing diagram

Flange nut

Part #15X79

Replaced by #703409

?
Manufacturer substitution
This part replaces 15X79. Substitute parts can look different from the original.
$9.27
10% OFF Phone Price : $10.27
In Stock
Idler Pulley 91178
#5

25" complete mower housing diagram

Idler pulley

Part #91178

Replaced by #420613MA

?
Manufacturer substitution
This part replaces 91178. Substitute parts can look different from the original.
This item is not returnable
$25.18
17% OFF Phone Price : $30.18
In Stock
Jackshaft 91921
#44

25" complete mower housing diagram

Jackshaft

Part #91921

Replaced by #491921MA

?
Manufacturer substitution
This part replaces 91921. Substitute parts can look different from the original.
This item is not returnable
$29.18
15% OFF Phone Price : $34.18
In Stock
Cotter Pin 30X20
#7

25" complete mower housing diagram

Cotter pin

Part #30X20

Replaced by #703312

?
Manufacturer substitution
This part replaces 30X20. Substitute parts can look different from the original.
This item is not returnable
In Stock
Washer 17X166
#46

25" complete mower housing diagram

Washer

Part #17X166

Replaced by #17X166MA

?
Manufacturer substitution
This part replaces 17X166. Substitute parts can look different from the original.
This item is not returnable
$22.49
18% OFF Phone Price : $27.49
In Stock
Washer 17X165
#47

25" complete mower housing diagram

Washer

Part #17X165

Replaced by #17X165MA

?
Manufacturer substitution
This part replaces 17X165. Substitute parts can look different from the original.
This item is not returnable
$28.09
15% OFF Phone Price : $33.09
In Stock
Nut 15X100
#48

25" complete mower housing diagram

Nut

Part #15X100

Replaced by #15X100MA

?
Manufacturer substitution
This part replaces 15X100. Substitute parts can look different from the original.
This item is not returnable
$5.99
14% OFF Phone Price : $6.99
In Stock
Bolt 2X53Z
#41

25" complete mower housing diagram

Bolt

Part #2X53Z

Replaced by #STD533107

?
Manufacturer substitution
This part replaces 2X53Z. Substitute parts can look different from the original.
This item is not returnable
$2.49
29% OFF Phone Price : $3.49
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.

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Learn about a new feature added to the Search Bar on Sears PartsDirect…

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