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Murray
Complete Deck

Model # 403131 Official Murray mower deck

Here are the diagrams and repair parts for Official Murray 403131 mower deck, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

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

Error Codes

Model diagram and schematic

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ALL PARTS
Showing 10 of 87 parts  |
Flange Nut 15X79
#77

36" 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 20613
#12

36" mower housing diagram

Idler pulley

Part #20613

Replaced by #420613MA

?
Manufacturer substitution
This part replaces 20613. Substitute parts can look different from the original.
This item is not returnable
$25.18 | 
19% OFF Phone Price : $31.18
In Stock
Lock Nut 15X88Z
#19

36" mower housing diagram

Lock nut

Part #15X88Z

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

Bolt 2X53
#39

36" mower housing diagram

Bolt

Part #2X53

Replaced by #703159

?
Manufacturer substitution
This part replaces 2X53. Substitute parts can look different from the original.
This item is not returnable
$6.69
In Stock
Housing 20551
#30

36" mower housing diagram

Housing

Part #20551

Replaced by #492574MA

?
Manufacturer substitution
This part replaces 20551. Substitute parts can look different from the original.
$68.99 | 
8% OFF Phone Price : $74.99
In Stock
Hex Nut 15X67
#27

36" mower housing diagram

Hex nut

Part #15X67

Replaced by #703251

?
Manufacturer substitution
This part replaces 15X67. Substitute parts can look different from the original.
$8.07 | 
11% OFF Phone Price : $9.07
In Stock
Woodruff Key 20062
#17

36" mower housing diagram

Woodruff key

Part #20062

Replaced by #20062MA

?
Manufacturer substitution
This part replaces 20062. Substitute parts can look different from the original.
This item is not returnable
$6.46
In Stock
Keps Nut 15X66
#73

36" mower housing diagram

Keps nut

Part #15X66

Replaced by #703914

?
Manufacturer substitution
This part replaces 15X66. Substitute parts can look different from the original.
This item is not returnable
$6.23
In Stock
Bolt 1X90
#37

36" mower housing diagram

Bolt

Part #1X90

Replaced by #703588

?
Manufacturer substitution
This part replaces 1X90. Substitute parts can look different from the original.
This item is not returnable
$6.49 | 
13% OFF Phone Price : $7.49
In Stock
Push-on-cap 28X23
#43

36" mower housing diagram

Push-on-cap

Part #28X23

Replaced by #703948

?
Manufacturer substitution
This part replaces 28X23. Substitute parts can look different from the original.
This item is not returnable
$7.29 | 
12% OFF Phone Price : $8.29
In Stock

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