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Model # 4P90JUE Official MTD engine

Here are the diagrams and repair parts for Official MTD 4P90JUE engine, 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 148 parts  |

Lawn & Garden Equipment Engine Spark Plug 951-10292
#160

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
$6.47
60% OFF MSRP : $16.00
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Lawn & Garden Equipment Engine Oil Filter 951-12690
#115

Crankshaft & crankcase cover diagram

Lawn & garden equipment engine oil filter

Part #951-12690

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$14.14
12% OFF Phone Price : $16.14
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Lawn Tractor Air Filter 937-05122
#124

Air intake diagram

Lawn tractor air filter

Part #937-05122

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$26.90
16% OFF Phone Price : $31.90
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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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$85.19
23% OFF MSRP : $110.00
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Lawn & Garden Equipment Engine Carburetor Gasket 951-12261
#134

Carburetor assembly diagram

Lawn & garden equipment engine carburetor gasket

Part #951-12261

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$6.35
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Lawn & Garden Equipment Engine Carburetor Float Bowl Gasket 951-11349
#DD

Carburetor assembly 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.
BEST SELLER
This item is not returnable
$4.26
36% OFF MSRP : $6.70
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Lawn & Garden Equipment Engine Carburetor 951-05149
#129

Carburetor assembly diagram

Lawn & garden equipment engine carburetor

Part #951-05149

$147.58
6% OFF Phone Price : $157.58
In Stock
Lawn & Garden Equipment Engine Carburetor Insulator Gasket 951-12263
#136

Carburetor assembly diagram

Lawn & garden equipment engine carburetor insulator gasket

Part #951-12263

This item is not returnable
$6.35
14% OFF Phone Price : $7.35
In Stock
Lawn & Garden Equipment Engine Starter Motor 951-12207
#9

Starter assembly diagram

Lawn & garden equipment engine starter motor

Part #951-12207

$214.67
$10.00 OFF Phone Price : $224.67
In Stock
Lawn & Garden Equipment Engine Voltage Regulator 951-12242
#86

Crankshaft & crankcase cover diagram

Lawn & garden equipment engine voltage regulator

Part #951-12242

$63.45
7% OFF Phone Price : $68.45
In Stock

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How to replace a lawn mower ignition coil on a flathead engine

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Repair difficulty
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