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.

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 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
20% OFF Phone Price : $25.18
In Stock
Recoil Starter Assembly A2799
#89

Flywheel diagram

Recoil starter assembly

Part #A2799

Replaced by #095268ASRV

?
Manufacturer substitution
This part replaces A2799. Substitute parts can look different from the original.
$64.99
7% OFF Phone Price : $69.99
In Stock
Filtter 78602
#48

Carburetor diagram

Filtter

Part #78602

Replaced by #G078602

?
Manufacturer substitution
This part replaces 78602. Substitute parts can look different from the original.
This item is not returnable
$2.87
26% OFF Phone Price : $3.87
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.
$54.24
8% OFF Phone Price : $59.24
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.
$54.24
8% OFF Phone Price : $59.24
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 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
Ring 88411
#3

Complete long block assembly diagram

Ring

Part #88411

Replaced by #0G43790SRV

?
Manufacturer substitution
This part replaces 88411. Substitute parts can look different from the original.
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
Spring 86037
#30

Spark plug and idle coil diagram

Spring

Part #86037

Replaced by #0C3979

?
Manufacturer substitution
This part replaces 86037. Substitute parts can look different from the original.
$38.33
12% OFF Phone Price : $43.33
In Stock

Repair guides for bottom-mount refrigerators

How to replace an electronic control board on the back of a refrigerator

How to replace an electronic control board on the back of a refrigerator

If your refrigerator isn't running, an electronic control board failure could be the problem. A service technician can d…

Repair difficulty
Time required
 15 minutes or less
How to replace a refrigerator thermistor

How to replace a refrigerator thermistor

The thermistor senses the temperature inside the refrigerator. If the actual temperature and the temperature you set are…

Repair difficulty
Time required
 15 minutes or less
How to replace an in-door ice maker on a French door refrigerator

How to replace an in-door ice maker on a French door refrigerator

Follow these step-by-step instructions how to replace the in-door ice maker in Kenmore TRIO and LG French door refrigera…

Repair difficulty
Time required
 15 minutes or less

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

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.…

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.…