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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.

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

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Error Codes

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ALL PARTS
Showing 10 of 87 parts  |
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
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

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 | 
17% OFF Phone Price : $30.18
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 | 
7% OFF Phone Price : $73.99
In Stock
Cotter Pin 30X20
#6

36" 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
$7.14
In Stock
Pulley 21409
#50

36" mower housing diagram

Pulley

Part #21409

Replaced by #421409MA

?
Manufacturer substitution
This part replaces 21409. Substitute parts can look different from the original.
This item is not returnable
$25.18 | 
17% OFF Phone Price : $30.18
In Stock
Hairpin Pin 20692
Hairpin pin

Part #20692

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

Torsion Spring 21189
#41

36" mower housing diagram

Torsion spring

Part #21189

Replaced by #166X4MA

?
Manufacturer substitution
This part replaces 21189. Substitute parts can look different from the original.
$11.80
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

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