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Model # 4X90HU Official MTD engine

Here are the diagrams and repair parts for Official MTD 4X90HU engine, as well as links to manuals and error code tables, if available.

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4X90HU Engine
Lawn & Garden Equipment Engine Spark Plug 951-10292
#153

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
$5.81 | 
15% OFF Phone Price : $6.81
Back Order
Lawn & Garden Equipment Engine Oil Filter 951-12690
#64

Crankshaft/crankcase cover diagram

Lawn & garden equipment engine oil filter

Part #951-12690

BEST SELLER
$22.60 | 
21% OFF Phone Price : $28.60
In Stock
Mtd Lawn Tractor Air Filter 937-05066
#65

Air intake diagram

Mtd lawn tractor air filter

Part #937-05066

This item is not returnable
$30.03 | 
17% OFF Phone Price : $36.03
In Stock
Mtd Lawn & Garden Equipment Engine Carburetor Gasket 951-14947
#72

Carburetor assembly diagram

Mtd lawn & garden equipment engine carburetor gasket

Part #951-14947

This item is not returnable
$12.51 | 
14% OFF Phone Price : $14.51
In Stock
Lawn Tractor Engine Oil Drain Plug (replaces 710-05311) 951-11644
#88

Crankcase diagram

Lawn tractor engine oil drain plug (replaces 710-05311)

Part #951-11644

This item is not returnable
$15.69 | 
11% OFF Phone Price : $17.69
In Stock
Lawn & Garden Equipment Engine Mounting Screw 710-04915
Lawn & garden equipment engine mounting screw

Part #710-04915

This item is not returnable
$6.75 | 
13% OFF Phone Price : $7.75
Back Order
Lawn & Garden Equipment Bushing 750-05320
#3

Engine shroud diagram

Lawn & garden equipment bushing

Part #750-05320

This item is not returnable
$6.25 | 
14% OFF Phone Price : $7.25
In Stock
Mtd Lawn & Garden Equipment Engine Electric Starter 925-06300
#109

Starter assembly diagram

Mtd lawn & garden equipment engine electric starter

Part #925-06300

$255.24 | 
$12.00 OFF Phone Price : $267.24
In Stock
Mtd Linkage-thro 951-14917
#89

Crankcase diagram

Mtd linkage-thro

Part #951-14917

$12.34
In Stock
Lawn & Garden Equipment Engine Carburetor 993-00170
#73

Carburetor assembly diagram

Lawn & garden equipment engine carburetor

Part #993-00170

$103.00
In Stock

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