Generac
Generator

Model # 1642-0 Official Generac generator

Here are the diagrams and repair parts for Official Generac 1642-0 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 91 parts  |

Rushing 78299
#42

Main unit diagram

Rushing

Part #78299

Replaced by #192980GS

?
Manufacturer substitution
This part replaces 78299. Substitute parts can look different from the original.
BEST SELLER
$25.94
19% OFF Phone Price : $31.94
In Stock
Valve 80270
#41

Main unit diagram

Valve

Part #80270

Replaced by #192980GS

?
Manufacturer substitution
This part replaces 80270. Substitute parts can look different from the original.
BEST SELLER
$25.94
19% OFF Phone Price : $31.94
In Stock
Fuel Cap 85134
#43

Main unit diagram

Fuel cap

Part #85134

Replaced by #B4363GS

?
Manufacturer substitution
This part replaces 85134. Substitute parts can look different from the original.
$55.19
10% OFF Phone Price : $61.19
In Stock
Spark Assembly 83083
#19

Main unit diagram

Spark assembly

Part #83083

Replaced by #83083GS

?
Manufacturer substitution
This part replaces 83083. Substitute parts can look different from the original.
This item is not returnable
$13.49
13% OFF Phone Price : $15.49
In Stock
Breaker 75207
#10

Control panel diagram

Breaker

Part #75207

Replaced by #209872GS

?
Manufacturer substitution
This part replaces 75207. Substitute parts can look different from the original.
$17.09
10% OFF Phone Price : $19.09
In Stock
Cap Screw 22142
#61

Main unit diagram

Cap screw

Part #22142

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

Clamp 48031C
#69

Main unit diagram

Clamp

Part #48031C

Replaced by #691038

?
Manufacturer substitution
This part replaces 48031C. Substitute parts can look different from the original.
This item is not returnable
In Stock
Brdg Rect Bd 91825
#32

Main unit diagram

Brdg rect bd

Part #91825

Replaced by #91825GS

?
Manufacturer substitution
This part replaces 91825. Substitute parts can look different from the original.
$68.63
8% OFF Phone Price : $74.63
In Stock
Screw 82308
#3

Control panel diagram

Screw

Part #82308

Replaced by #82308GS

?
Manufacturer substitution
This part replaces 82308. Substitute parts can look different from the original.
This item is not returnable
In Stock
Bearing 65791
#7

Main unit diagram

Bearing

Part #65791

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

Symptoms for gas chainsaws

Choose a symptom to see related chainsaw repairs.

Main causes: stale gasoline, cracked fuel lines, dirty carburetor, damaged spark plug, worn piston rings…

Main causes: bad gas, engine needs tune up, cracked fuel lines, dirty carburetor…

Main causes: cracked fuel lines, leaky carburetor seals, damaged fuel tank cap, cracked fuel tank…

Repair guides for gas chainsaws

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

How to rebuild a chainsaw carburetor

How to rebuild a chainsaw carburetor

If your chainsaw isn't running well, a dirty carburetor could be the problem. You can take it apart, clean it and rebuil…

Repair difficulty
Time required
 15 minutes or less
How to replace chainsaw fuel lines

How to replace chainsaw fuel lines

The fuel line on a chainsaw becomes brittle over time and can crack. Replacing it doesn't require a lot of DYI experienc…

Repair difficulty
Time required
 15 minutes or less
How to replace a chainsaw carburetor

How to replace a chainsaw carburetor

If the engine won't start even though there's fuel in the chainsaw, the carburetor could be the problem. Sometimes, it's…

Repair difficulty
Time required
 15 minutes or less

Articles and videos for gas chainsaws

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

Top 10 electric lawn and garden tools for 2023

Top 10 electric lawn and garden tools for 2023

Learn about the top 10 must-have electric lawn & garden tools for 2023…

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

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.…