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Murray
Complete Deck

Model # 403221 Official Murray mower deck

Here are the diagrams and repair parts for Official Murray 403221 mower deck, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 69 parts  |
Hairpin Pin 31X6
#28

40" blade housing complete 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
Hairpin Pin 31X4
#6

40" blade housing complete 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
Bolt 2X53Z
#61

40" blade housing complete diagram

Bolt

Part #2X53Z

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

Idler Pulley 23238
#19

40" blade housing complete diagram

Idler pulley

Part #23238

Replaced by #423238MA

?
Manufacturer substitution
This part replaces 23238. Substitute parts can look different from the original.
$39.93
In Stock
Nut 15X73
#48

40" blade housing complete diagram

Nut

Part #15X73

Replaced by #41529MA

?
Manufacturer substitution
This part replaces 15X73. Substitute parts can look different from the original.
This item is not returnable
$6.69 | 
13% OFF Phone Price : $7.69
In Stock
Belt 37X40
#24

40" blade housing complete diagram

Belt

Part #37X40

Replaced by #37X40MA

?
Manufacturer substitution
This part replaces 37X40. Substitute parts can look different from the original.
$60.09
In Stock
Screw 26X214
#14

40" blade housing complete diagram

Screw

Part #26X214

Replaced by #26X214MA

?
Manufacturer substitution
This part replaces 26X214. Substitute parts can look different from the original.
$7.60
In Stock
Pulley 90872
#23

40" blade housing complete diagram

Pulley

Part #90872

Replaced by #91943MA

?
Manufacturer substitution
This part replaces 90872. Substitute parts can look different from the original.
$85.93
In Stock
Housing 90905
#62

40" blade housing complete diagram

Housing

Part #90905

Replaced by #492574MA

?
Manufacturer substitution
This part replaces 90905. Substitute parts can look different from the original.
$68.99 | 
8% OFF Phone Price : $74.99
In Stock
Bolt 1X45
#68

40" blade housing complete diagram

Bolt

Part #1X45

Replaced by #703822

?
Manufacturer substitution
This part replaces 1X45. Substitute parts can look different from the original.
$8.03
In Stock

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