Generac
Lawn & Garden Engine

Model # EHC009521 Official Generac engine

Here are the diagrams and repair parts for Official Generac EHC009521 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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ALL PARTS
Showing 10 of 111 parts  |

Air Filter 78601
#47

Carburetor diagram

Air filter

Part #78601

Replaced by #78601GS

?
Manufacturer substitution
This part replaces 78601. Substitute parts can look different from the original.
$20.18
23% OFF Phone Price : $26.18
In Stock
Spring 88401
#31

Complete long block assembly diagram

Spring

Part #88401

Replaced by #0D24890ESV

?
Manufacturer substitution
This part replaces 88401. Substitute parts can look different from the original.
$51.52
10% OFF Phone Price : $57.52
In Stock
Retainer A1720
#30

Complete long block assembly diagram

Retainer

Part #A1720

Replaced by #0D24890ESV

?
Manufacturer substitution
This part replaces A1720. Substitute parts can look different from the original.
$51.52
10% OFF Phone Price : $57.52
In Stock
Base 78607
#44

Carburetor diagram

Base

Part #78607

Replaced by #G078607

?
Manufacturer substitution
This part replaces 78607. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Engine Rocker Arm 77160
#44

Complete long block assembly diagram

Lawn & garden equipment engine rocker arm

Part #77160

Replaced by #G077160

?
Manufacturer substitution
This part replaces 77160. Substitute parts can look different from the original.
This item is not returnable
$15.52
11% OFF Phone Price : $17.52
In Stock
Gasket 91846
#39

Carburetor diagram

Gasket

Part #91846

Replaced by #G091846

?
Manufacturer substitution
This part replaces 91846. Substitute parts can look different from the original.
This item is not returnable
In Stock
Pivot Ball Stud 77161
#43

Complete long block assembly diagram

Pivot ball stud

Part #77161

The manufacturer no longer makes this part, and there's no substitute part

Lawn & Garden Equipment Engine Bolt 78643
#50

Carburetor diagram

Lawn & garden equipment engine bolt

Part #78643

Replaced by #G078643

?
Manufacturer substitution
This part replaces 78643. Substitute parts can look different from the original.
This item is not returnable
In Stock
Lawn & Garden Equipment Engine Washer 85953
#22

Spark plug and idle coil diagram

Lawn & garden equipment engine washer

Part #85953

Replaced by #G085953

?
Manufacturer substitution
This part replaces 85953. Substitute parts can look different from the original.
In Stock
Valve Stem Seal 88156
#20

Complete long block assembly diagram

Valve stem seal

Part #88156

Replaced by #G088156

?
Manufacturer substitution
This part replaces 88156. Substitute parts can look different from the original.
This item is not returnable
In Stock

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Repair guides for treadmills

These step-by-step repair guides will help you safely fix what’s broken on your treadmill.

How to replace a treadmill motor controller

How to replace a treadmill motor controller

Your treadmill motor won't run with a defective motor controller. Replace the motor controller if it doesn't operate the…

Repair difficulty
Time required
 15 minutes or less
How to replace a treadmill walking belt

How to replace a treadmill walking belt

A worn walking belt will begin to slow down during use. If your treadmill walking belt is worn out, replace it using the…

Repair difficulty
Time required
 45 minutes or less
How to replace a treadmill drive motor

How to replace a treadmill drive motor

A defective drive motor won't run when activated by the motor controller. Replace the treadmill drive motor if it doesn'…

Repair difficulty
Time required
 15 minutes or less

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

Use the advice and tips in these articles and videos to get the most out of your treadmill.

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