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MTD
Lawn & Garden Engine

Model # 490-SU Official MTD engine

Here are the diagrams and repair parts for Official MTD 490-SU engine, as well as links to manuals and error code tables, if available.

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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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Model diagram and schematic

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ALL PARTS
Showing 10 of 145 parts  |
Kmart Lawn & Garden Equipment Engine Fuel Filter (replaces 751-10651) 951-10651

#NI01

All parts diagram

Kmart lawn & garden equipment engine fuel filter (replaces 751-10651)

Part #951-10651

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Key 731-05632
#7

Engine diagram

Key

Part #731-05632

Replaced by #951-10630

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Manufacturer substitution
This part replaces 731-05632. Substitute parts can look different from the original.
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$8.44 | 
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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 951-11349
#154

Engine diagram

Lawn & garden equipment engine carburetor float bowl gasket

Part #951-11349

Replaced by #951-11349A

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Manufacturer substitution
This part replaces 951-11349. Substitute parts can look different from the original.
This item is not returnable
$5.64 | 
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Snowblower Ignition Switch (replaces 751-10637, 925-04031a) 951-10637
#6

Engine diagram

Snowblower ignition switch (replaces 751-10637, 925-04031a)

Part #951-10637

This item is not returnable
$18.67 | 
10% OFF Phone Price : $20.67
In Stock
Lawn & Garden Equipment Engine Flywheel Key 951-10307
#60

Engine diagram

Lawn & garden equipment engine flywheel key

Part #951-10307

Replaced by #751P10307A

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Manufacturer substitution
This part replaces 951-10307. Substitute parts can look different from the original.
This item is not returnable
$3.22 | 
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In Stock
Lawn & Garden Equipment Engine Carburetor Primer Bulb 951-11824
#22

Engine diagram

Lawn & garden equipment engine carburetor primer bulb

Part #951-11824

This item is not returnable
$17.13 | 
10% OFF Phone Price : $19.13
In Stock
Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 951-11970
#152

Engine diagram

Lawn & garden equipment engine carburetor float bowl gasket

Part #951-11970

This item is not returnable
$10.46 | 
16% OFF Phone Price : $12.46
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Lawn & Garden Equipment Engine Intake Gasket 951-11315
#139

Engine diagram

Lawn & garden equipment engine intake gasket

Part #951-11315

This item is not returnable
$6.86 | 
13% OFF Phone Price : $7.86
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Lawn & Garden Equipment Engine Rocker Arm 951-11966
#127

Engine diagram

Lawn & garden equipment engine rocker arm

Part #951-11966

This item is not returnable
$12.82 | 
13% OFF Phone Price : $14.82
In Stock
Lawn & Garden Equipment Engine Fuel Level Indicator 951-11933
#18

Engine diagram

Lawn & garden equipment engine fuel level indicator

Part #951-11933

This item is not returnable
$16.66
In Stock

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Why won't my pressure washer engine start?

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Air in the inlet water supply can damage the check valves. If the pump won’t build up pressure due to damaged check valv…

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Repair difficulty
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 120 minutes or less
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