Murray
Complete Deck

Model #403131 Murray mower deck

Here are the repair parts and diagrams for your Murray 403131 mower deck. 

The diagram(s) below can help you find the right part.  If you’d like help, we invite you to call our customer service number at the top of the page, or click chat.

On this page, you can also find any manuals, installation guides and error code tables associated with this model.

For advice on diagnosing problems with appliances, lawn & garden equipment and other products, check out the videos, repair guides and articles in our DIY section.

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Showing 10 of 87 parts

Lawn Tractor Ground Drive Idler Pulley

#50

36" mower housing Diagram

Lawn tractor ground drive idler pulley

Part #421409MA
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  21409
This part replaces 21409

$15.24

In Stock

Lock Nut

#15

36" mower housing Diagram

Lock nut

Part #15X77

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

Lawn Tractor Drag Link Ball Joint

#66

36" mower housing Diagram

Lawn tractor drag link ball joint

Part #021031MA
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  21031
This part replaces 21031

$12.32

In Stock

Cable Lifter

#26

36" mower housing Diagram

Cable lifter

Part #021913MA
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  21913
This part replaces 21913

$11.08

In Stock

Lawn Mower Extension Spring

#49

36" mower housing Diagram

Lawn mower extension spring

Part #165X43MA
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  24074
This part replaces 24074
This item is not returnable

$6.03

In Stock

Lawn Tractor Blade Drive Belt

#13

36" mower housing Diagram

Lawn tractor blade drive belt

Part #037X12MA
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  21649
This part replaces 21649

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$25.54

In Stock

Snowblower Nut

#27

36" mower housing Diagram

Snowblower nut

Part #703251
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  15X67
This part replaces 15X67
This item is not returnable

$3.42

In Stock

Lawn & Garden Equipment Nut

#63

36" mower housing Diagram

Lawn & garden equipment nut

Part #021920ZMA
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  21920
This part replaces 21920

$11.08

In Stock

Lawn Tractor Mandrel Shaft

#52

36" mower housing Diagram

Lawn tractor mandrel shaft

Part #021024MA
?This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including  21024
This part replaces 21024

$15.76

In Stock

Drive Belt

#47

36" mower housing Diagram

Drive belt

Part #20557

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