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

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
Generac
Generator

Model # 8866 Official Generac generator

Here are the diagrams and repair parts for Official Generac 8866 generator, 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 94 parts  |
Volt Assembly 67107
#16

Receptacle panel diagram

Volt assembly

Part #67107

Replaced by #67107GS

?
Manufacturer substitution
This part replaces 67107. Substitute parts can look different from the original.
$358.05
In Stock
Filter 68740
#31

Mounting base diagram

Filter

Part #68740

Replaced by #68740GS

?
Manufacturer substitution
This part replaces 68740. Substitute parts can look different from the original.
$21.77
In Stock
Plug 43483

#NI

All parts diagram

Plug

Part #43483

Replaced by #100522GS

?
Manufacturer substitution
This part replaces 43483. Substitute parts can look different from the original.
This item is not returnable
$35.79 | 
14% OFF Phone Price : $41.79
In Stock
Receptacle 68759
#5

Receptacle panel diagram

Receptacle

Part #68759

Replaced by #68759GS

?
Manufacturer substitution
This part replaces 68759. Substitute parts can look different from the original.
$32.09 | 
16% OFF Phone Price : $38.09
In Stock
Receptacle 68868
#7

Receptacle panel diagram

Receptacle

Part #68868

Replaced by #705932

?
Manufacturer substitution
This part replaces 68868. Substitute parts can look different from the original.
$53.53
In Stock
Fan Cover 44357
#26

Generator diagram

Fan cover

Part #44357

Replaced by #44357GS

?
Manufacturer substitution
This part replaces 44357. Substitute parts can look different from the original.
$25.89 | 
19% OFF Phone Price : $31.89
In Stock
Receptacle 68867
#8

Receptacle panel diagram

Receptacle

Part #68867

Replaced by #68867GS

?
Manufacturer substitution
This part replaces 68867. Substitute parts can look different from the original.
$65.98
In Stock
Fuel Hose 47662-AA
#14C

Mounting base diagram

Fuel hose

Part #47662-AA

Replaced by #791880

?
Manufacturer substitution
This part replaces 47662-AA. Substitute parts can look different from the original.
This item is not returnable
$22.89 | 
21% OFF Phone Price : $28.89
In Stock
Engine 68859
#1A

Mounting base diagram

Engine

Part #68859

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

Engine 68858
#1

Mounting base diagram

Engine

Part #68858

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

Parts & More