MTD
Lawn & Garden Engine

Model # 4P90MUA Official MTD engine

Here are the diagrams and repair parts for Official MTD 4P90MUA engine, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 173 parts  |

Lawn & Garden Equipment Engine Spark Plug 951-10292
#162

Cylinder head diagram

Lawn & garden equipment engine spark plug

Part #951-10292

Replaced by #951-10292A

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Manufacturer substitution
This part replaces 951-10292. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.70
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Lawn & Garden Equipment Engine Air Filter 951-12260
#126

Air intake diagram

Lawn & garden equipment engine air filter

Part #951-12260

Replaced by #937-05065A

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Manufacturer substitution
This part replaces 951-12260. Substitute parts can look different from the original.
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$22.87
21% OFF Phone Price : $28.87
In Stock
Lawn & Garden Equipment Engine Oil Filter 951-12690
#114

Crankshaft & crankcase cover diagram

Lawn & garden equipment engine oil filter

Part #951-12690

Replaced by #490-201-Y010

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Manufacturer substitution
This part replaces 951-12690. Substitute parts can look different from the original.
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$16.97
11% OFF Phone Price : $18.97
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Carburetor 951-12823
#131

Carburetor diagram

Carburetor

Part #951-12823

Replaced by #951-12771A

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Manufacturer substitution
This part replaces 951-12823. Substitute parts can look different from the original.
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$110.63
10% OFF Phone Price : $122.63
In Stock
Lawn & Garden Equipment Engine Ignition Coil 951-12220
#39

Ignition & electrical diagram

Lawn & garden equipment engine ignition coil

Part #951-12220

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$84.93
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Lawn & Garden Equipment Engine Pre-filter 951-12256
#124

Air intake diagram

Lawn & garden equipment engine pre-filter

Part #951-12256

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$7.99
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Lawn & Garden Equipment Engine Carburetor Insulator Gasket 951-12263
#138

Carburetor diagram

Lawn & garden equipment engine carburetor insulator gasket

Part #951-12263

This item is not returnable
$6.35
14% OFF Phone Price : $7.35
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Lawn & Garden Equipment Engine Voltage Regulator 951-12242
#85

Crankshaft & crankcase cover diagram

Lawn & garden equipment engine voltage regulator

Part #951-12242

$63.45
9% OFF Phone Price : $69.45
In Stock
Lawn Tractor Engine Oil Drain Plug Assembly 951-12194
#194

Crankshaft & crankcase cover diagram

Lawn tractor engine oil drain plug assembly

Part #951-12194

This item is not returnable
$10.17
16% OFF Phone Price : $12.17
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Lawn & Garden Equipment Engine Stator 951-12224
#44

Ignition & electrical diagram

Lawn & garden equipment engine stator

Part #951-12224

$89.52
6% OFF Phone Price : $95.52
In Stock

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