Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
MTD
Lawn & Garden Engine

Model # 4P90JUC Official MTD engine

Here are the diagrams and repair parts for Official MTD 4P90JUC engine, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 169 parts  |
Lawn & Garden Equipment Engine Spark Plug 951-10292
#161

Cylinder head diagram

Lawn & garden equipment engine spark plug

Part #951-10292

Replaced by #951-10292A

?
Manufacturer substitution
This part replaces 951-10292. Substitute parts can look different from the original.
BEST SELLER
This item is not returnable
$5.88 | 
63% OFF MSRP : $16.00
In Stock
Lawn & Garden Equipment Engine Oil Filter 951-12690
#114

Crankshaft & crankcase cover diagram

Lawn & garden equipment engine oil filter

Part #951-12690

BEST SELLER
$14.14 | 
12% OFF Phone Price : $16.14
In Stock
Lawn & Garden Equipment Engine Air Filter 951-12260
#125

Air intake diagram

Lawn & garden equipment engine air filter

Part #951-12260

Replaced by #937-05065A

?
Manufacturer substitution
This part replaces 951-12260. Substitute parts can look different from the original.
BEST SELLER
$22.20 | 
23% OFF MSRP : $29.00
In Stock
Lawn & Garden Equipment Engine Pre-filter 951-12256
#123

Air intake diagram

Lawn & garden equipment engine pre-filter

Part #951-12256

BEST SELLER
$8.33 | 
11% OFF Phone Price : $9.33
In Stock
Lawn & Garden Equipment Engine Ignition Coil 951-12220
#39

Ignition & electrical diagram

Lawn & garden equipment engine ignition coil

Part #951-12220

BEST SELLER
$76.71 | 
30% OFF MSRP : $110.00
In Stock
Lawn & Garden Equipment Engine Intake Manifold Gasket 951-12258A
#129

Carburetor diagram

Lawn & garden equipment engine intake manifold gasket

Part #951-12258A

This item is not returnable
$6.35 | 
14% OFF Phone Price : $7.35
In Stock
Lawn & Garden Equipment Engine Carburetor Insulator Gasket 951-12263
#137

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
In Stock
Lawn & Garden Equipment Engine Carburetor 951-05149
#130

Carburetor diagram

Lawn & garden equipment engine carburetor

Part #951-05149

$147.58 | 
6% OFF Phone Price : $157.58
In Stock
Lawn & Garden Equipment Engine Starter Motor 951-12207
#9

Starter 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 Stator 951-12224
#44

Ignition & electrical diagram

Lawn & garden equipment engine stator

Part #951-12224

$83.26 | 
24% OFF MSRP : $110.00
In Stock

RECOMMENDED MAINTENANCE PARTS AND ACCESSORIES

Symptoms for electric cooktops

Why doesn't my electric cooktop's surface element heat?

Main causes: broken surface element, surface element switch failure, control system problem, surface element limiter swi…

Read more

Repair guides for electric cooktops

How to replace a coil surface element on an electric cooktop

How to replace a coil surface element on an electric cooktop

Easily replace a coil surface element in 15 minutes or less by following these step-by-step instructions.…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace the glass top on an electric cooktop

How to replace the glass top on an electric cooktop

Don't use a cracked or damage glass cooktop—replace it, using these instructions to guide you.…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace a radiant element on an electric cooktop

How to replace a radiant element on an electric cooktop

Follow these step-by-step instructions to replace a damaged radiant element on your electric cooktop when the element wo…

Read more
Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your lawn & garden engines

View all
Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

Read more
What are the main components of a lawn mower?

What are the main components of a lawn mower?

Learn about the main parts of a lawn mower and when to replace parts.…

Read more

Parts & More