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

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.

By Schematic
SELECT DIAGRAM
?

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

Browse Parts for CS40EA Chainsaws

  • Flywheel Nut for Hitachi CS40EA - Part 669-6879

    #87

    All parts diagram

    Flywheel Nut

    Part #669-6879

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

  • Worm for Hitachi CS40EA - Part 669-6886

    #162

    All parts diagram

    Worm

    Part #669-6886

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

  • Damper for Hitachi CS40EA - Part 669-6873

    #116

    All parts diagram

    Damper

    Part #669-6873

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

  • Cleaner Knob for Hitachi CS40EA - Part 669-8438

    #8

    All parts diagram

    Cleaner Knob

    Part #669-8438

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

  • Aluminum Tape (b) for Hitachi CS40EA - Part 669-8524

    #17

    All parts diagram

    Aluminum Tape (b)

    Part #669-8524

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

  • Fuel Pipe for Hitachi CS40EA - Part 669-8434

    #43

    All parts diagram

    Fuel Pipe

    Part #669-8434

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

  • Chainsaw Chain, 18-in for Hitachi CS40EA - Part 668-7284

    #152C

    All parts diagram

    Chainsaw Chain, 18-in

    Part #668-7284

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

  • Bolt,hex,5x4 for Hitachi CS40EA - Part 669-6317

    #42

    All parts diagram

    Bolt,hex,5x4

    Part #669-6317

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

  • Scavenging C for Hitachi CS40EA - Part 669-8406

    #44

    All parts diagram

    Scavenging C

    Part #669-8406

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

  • Hex. Socket Hd. Bolt (w/sp. Washer) M5 X 16 for Hitachi CS40EA - Part 305-574

    #60

    All parts diagram

    Hex. Socket Hd. Bolt (w/sp. Washer) M5 X 16

    Part #305-574

    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