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

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Error Codes

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ALL PARTS
Showing 10 of 69 parts  |
Bolt 2X53Z
#61

40" blade housing complete diagram

Bolt

Part #2X53Z

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

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
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
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
Bolt 1X84
#51

40" blade housing complete diagram

Bolt

Part #1X84

Replaced by #703585

?
Manufacturer substitution
This part replaces 1X84. Substitute parts can look different from the original.
$8.26
In Stock
Washer 18X33
#18

40" blade housing complete diagram

Washer

Part #18X33

Replaced by #18X33MA

?
Manufacturer substitution
This part replaces 18X33. Substitute parts can look different from the original.
This item is not returnable
$7.34
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
Lawn Tractor Blade Drive Sprocket 90875
#33

40" blade housing complete diagram

Lawn tractor blade drive sprocket

Part #90875

Replaced by #90875MA

?
Manufacturer substitution
This part replaces 90875. Substitute parts can look different from the original.
$110.22
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
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

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