MTD
Lawn & Garden Engine

Model #4P90HUB MTD engine

Here are the diagrams and repair parts for MTD 4P90HUB 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”.

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

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Showing 10 of 156 parts

Lawn & Garden Equipment Engine Oil Filter

#114

Crankshaft/crankcase cover Diagram

$16.09

In Stock

Lawn & Garden Equipment Engine Pre-Filter

#123

Air intake Diagram

Lawn & garden equipment engine pre-filter

Part #951-12256
This item is not returnable
$3.67 | 
15% OFF MSRP:$4.30

In Stock

Lawn & Garden Equipment Engine Ignition Coil

#39

Ignition & electrical Diagram

$57.44 | 
16% OFF MSRP:$68.00

In Stock

Lawn & Garden Equipment Engine Carburetor Gasket

#135

Carburetor Diagram

Lawn & garden equipment engine carburetor gasket

Part #951-12261
This item is not returnable
$2.80 | 
18% OFF MSRP:$3.40

In Stock

Lawn & Garden Equipment Engine Voltage Regulator

#85

Crankshaft/crankcase cover Diagram

$33.31 | 
19% OFF MSRP:$41.00

In Stock

Lawn & Garden Equipment Engine Carburetor

#130

Carburetor Diagram

$92.93 | 
23% OFF MSRP:$120.00

In Stock

Lawn Tractor Engine Sump Filter

#100

Crankshaft/crankcase cover Diagram

Lawn tractor engine sump filter

Part #951-12249
This item is not returnable
$3.00 | 
14% OFF MSRP:$3.50

In Stock

Lawn & Garden Equipment Engine Carburetor Insulator Gasket

#137

Carburetor Diagram

Lawn & garden equipment engine carburetor insulator gasket

Part #951-12263
This item is not returnable
$2.73 | 
20% OFF MSRP:$3.40

In Stock

Lawn & Garden Equipment Engine Cylinder Head Gasket

#164

Cylinder head Diagram

$32.62 | 
14% OFF MSRP:$38.00

In Stock

Lawn Tractor Engine Oil Drain Plug

#84

Crankshaft/crankcase cover Diagram

Lawn tractor engine oil drain plug

Part #951-11644
This item is not returnable
$5.99 | 
25% OFF MSRP:$8.00

In Stock