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Murray
Gas Walk-Behind Mower

Model # 7800240 (NM2255) Official Murray lawn mower

Here are the diagrams and repair parts for Official Murray 7800240-NM2255 lawn mower, 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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Model diagram and schematic

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Showing 10 of 159 parts  |
Hln-1/4c-bz 7076978SM
Hln-1/4c-bz

Part #7076978SM

Replaced by #703232

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Manufacturer substitution
This part replaces 7076978SM. Substitute parts can look different from the original.
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This item is not returnable
$6.24 | 
14% OFF Phone Price : $7.24
In Stock
Flange Nut 7091601SM
Flange nut

Part #7091601SM

Replaced by #703409

?
Manufacturer substitution
This part replaces 7091601SM. Substitute parts can look different from the original.
$9.27 | 
10% OFF Phone Price : $10.27
In Stock
Lawn & Garden Equipment Bolt 340720MA
#19

Deck - push, m22550fc diagram

Lawn & garden equipment bolt

Part #340720MA

Replaced by #703225

?
Manufacturer substitution
This part replaces 340720MA. Substitute parts can look different from the original.
This item is not returnable
$6.29 | 
14% OFF Phone Price : $7.29
In Stock
Hcln 3/8c Gr 7091585SM
Hcln 3/8c gr

Part #7091585SM

Replaced by #703347

?
Manufacturer substitution
This part replaces 7091585SM. Substitute parts can look different from the original.
This item is not returnable
$8.69
In Stock
Blade 22 W 7100851YP
#9

Engine/blade/front cover diagram

Blade 22 w

Part #7100851YP

Replaced by #7100851AYP

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Manufacturer substitution
This part replaces 7100851YP. Substitute parts can look different from the original.
This item is not returnable

Get free shipping with Automatic Reorder

$21.24 | 
22% OFF Phone Price : $27.24
In Stock
Deck,22 7301192BIYP
#1

Deck - push, m22550fc diagram

Deck,22

Part #7301192BIYP

$232.36
In Stock
Hub Blade 22 7100862YP
#8C

Engine/blade/front cover diagram

Hub blade 22

Part #7100862YP

$15.40
In Stock
Lawn Mower Zone Control Cable 7101861MA
#5A

Handles & controls - self-propelled diagram

Lawn mower zone control cable

Part #7101861MA

$28.39 | 
17% OFF Phone Price : $34.39
In Stock
Lawn Mower Grass Bag 1101005MA
Lawn mower grass bag

Part #1101005MA

$220.24
In Stock
Torsion Spring 166X38MA
Torsion spring

Part #166X38MA

This item is not returnable
$8.69
In Stock

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