Get free shipping on your order, with any water filter subscription. Find my filter

Open Hamburger Menu
Sears Parts Direct
Tips to find your model number

Hitachi CS40EA chainsaw Parts

Here are the diagrams and repair parts for Hitachi CS40EA chainsaw, as well as links to manuals and error code tables, if available.

Hitachi CS40EA chainsaw
By Schematic
SELECT DIAGRAM
?

This is the number corresponding to the part on the diagram / schematic

Browse Parts for CS40EA Chainsaws

  • Lock Trigger for Hitachi CS40EA - Part 668-5420

    #127

    All parts diagram

    Lock Trigger

    Part #668-5420

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

  • Machine Screw M4 X 16 (10 Pcs.) for Hitachi CS40EA - Part 949-219

    #164

    All parts diagram

    Machine Screw M4 X 16 (10 Pcs.)

    Part #949-219

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

  • Idle Grommet for Hitachi CS40EA - Part 668-5224

    #37

    All parts diagram

    Idle Grommet

    Part #668-5224

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

  • Chainsaw Bar, 18-in for Hitachi CS40EA - Part 669-6982

    #156C

    All parts diagram

    Chainsaw Bar, 18-in

    Part #669-6982

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

  • Line Trimmer Fuel Line Grommet for Hitachi CS40EA - Part 668-5308

    #123

    All parts diagram

    Line Trimmer Fuel Line Grommet

    Part #668-5308

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

  • Special Washer for Hitachi CS40EA - Part 668-4600

    #45

    All parts diagram

    Special Washer

    Part #668-4600

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

  • Tap Screw for Hitachi CS40EA - Part 311-945

    #141

    All parts diagram

    Tap Screw

    Part #311-945

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

  • Insulated Carburetor for Hitachi CS40EA - Part 669-6896

    #19

    All parts diagram

    Insulated Carburetor

    Part #669-6896

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

  • Diaphragm Pulley for Hitachi CS40EA - Part 668-5213

    #24

    All parts diagram

    Diaphragm Pulley

    Part #668-5213

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

  • Piston Ring for Hitachi CS40EA - Part 669-6858

    #65

    All parts diagram

    Piston Ring

    Part #669-6858

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

Most common symptoms to help you fix your chainsaws

Choose a symptom to see related chainsaw repairs.

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

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…

Repair guides for gas chainsaws

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

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 time and Difficulty

 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 time and Difficulty

 15 minutes or less
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 time and Difficulty

 15 minutes or less

Effective articles & videos to help repair your chainsaws

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

When to replace a chainsaw bar

When to replace a chainsaw bar

Chainsaw bar wear leads to crooked cuts and chain damage. Learn the signs of wear and how to choose the right replacemen…

How to tune-up a gas chainsaw

How to tune-up a gas chainsaw

Tuning up a chainsaw is easier than you think. Follow these steps to clean, inspect, and replace key parts to keep your …

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.…

Parts & More

Bench Grinder
Bottom-Mount Refrigerator
Dishwasher
Dryer
Electric Range
Front-Engine Lawn Tractor
Gas Range
Gas Walk-Behind Mower
Lawn Sprinkler
Microwave
Microwave/Hood Combo
Miter Saw
Parts
Riding Mowers & Tractors
Weight Machine