Cylinder & Piston Kit for Husqvarna 345 / 345E Chainsaw: 503870276

High-quality replacement cylinder and piston kit for Husqvarna 345 and 345E chainsaws, replacing OEM Husqvarna part number 503 87 02-76 / 503870276 / 503870274 / 5038702-74 / 5038702-74

An ideal replacement for a chainsaw suffering from low compression, piston seizure, scored cylinder, excessive engine wear or loss of power.

Designed as a direct replacement for the original cylinder and piston assembly, allowing you to rebuild the top end of your Husqvarna chainsaw rather than replacing the complete machine.

Kit Includes

Replacement cylinder

Piston

Piston ring(s)

Piston pin / gudgeon pin

Piston circlips

Please refer to product photographs for exact kit contents.

Fits Husqvarna Chainsaws

Suitable for selected versions of:

Husqvarna 345

Husqvarna 345E

Husqvarna 345 EPA

Part number 503870276 also appears in parts information for selected versions of:

Husqvarna 340

Husqvarna 340E

Husqvarna 350

Fits Selected Jonsered Chainsaws

This cylinder family is also used on selected Jonsered models including:

Jonsered CS 2141

Jonsered CS 2141 EPA

Jonsered CS 2145

Jonsered CS 2145 EPA

Jonsered CS 2150

Jonsered CS 2150 EPA

Replaces Part Numbers

503870276

503 87 02-76

5038702-76

503-87-02-76

Also associated with/supersedes selected earlier versions including:

503870274 / 503 87 02-74

Ideal for Chainsaw Engine Repairs

A damaged piston or scored cylinder can cause a chainsaw to become difficult to start, lose compression or fail completely.

Replacing the cylinder and piston assembly can restore engine compression and performance where the remainder of the engine is in serviceable condition.

Ideal for repairing chainsaws suffering from:

Low compression

Scored cylinder

Damaged piston

Piston seizure

Overheating damage

Poor starting

Lack of power

Excessive engine wear

Important Compatibility Information

Husqvarna produced these chainsaw models over a number of years with changes to engine and cylinder specifications.

Always check the OEM number from your original cylinder or your machine's parts diagram before ordering.

This kit is intended to replace Husqvarna 503870276 / 503 87 02-76. Do not order solely from the chainsaw model number where the original part number cannot be confirmed.

If you are unsure, please contact us with your full Husqvarna or Jonsered model number, serial number and production information, and we can help identify the correct cylinder kit.

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