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

Solo 645 chainsaw Parts

Here are the diagrams and repair parts for Solo 645 chainsaw, as well as links to manuals and error code tables, if available.

Solo 645 chainsaw
By Schematic
SELECT DIAGRAM
?

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

Browse Parts for 645 Chainsaws

  • Connection Link Without Rivet for Solo 645 - Part 0540238

    Cylinder/ignition module diagram

    Connection Link Without Rivet

    Part #0540238

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

  • Repair Kit for Solo 645 - Part 0510951

    Cylinder/ignition module diagram

    Repair Kit

    Part #0510951

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

  • Screw for Solo 645 - Part 0018274

    Screw

    Part #0018274

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

  • Spring Ring (2) for Solo 645 - Part 0071153

    Cylinder/ignition module diagram

    Spring Ring (2)

    Part #0071153

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

  • Washer for Solo 645 - Part 0031270

    Cylinder/ignition module diagram

    Washer

    Part #0031270

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

  • Choke Lever for Solo 645 - Part 6074993

    Cylinder/ignition module diagram

    Choke Lever

    Part #6074993

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

  • Lock Release for Solo 645 - Part 6300175

    Cylinder/ignition module diagram

    Lock Release

    Part #6300175

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

  • Washer for Solo 645 - Part 0030101

    Cylinder/ignition module diagram

    Washer

    Part #0030101

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

  • Piston (incl. Key 119) (639) for Solo 645 - Part 2200819

    Cylinder/ignition module diagram

    Piston (incl. Key 119) (639)

    Part #2200819

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

  • Sleeve for Solo 645 - Part 2074293

    Cylinder/ignition module diagram

    Sleeve

    Part #2074293

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

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

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 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

Bottom-Mount Refrigerator
Dishwasher
Dryer
Freestanding Freezer
Front-Engine Lawn Tractor
Furnace
Laundry Center
Parts
Side-By-Side Refrigerator
Television
Washer