How can I determine whether my piston is reusable so as to replace just the piston rings?

The most common problem of a piston that needs replacement is in case there are scratches on its body.

What other parts I may need to replace when replacing the piston rings?

To replace the piston rings you need to disassemble the engine, so you also need to replace the cylinder gasket.

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Piston Ring for McCULLOCH CS50S - POULAN PP4818AV, PP5020AV - CRAFTSMAN

$6.85

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Piston Ring for McCULLOCH CS50S - POULAN PP4818AV, PP5020AV - CRAFTSMAN Chainsaws, 588484801, 545120001 and related spare parts.

Details

This listing is about a brand new after-market top-quality Piston RingTips for safely installing piston rings made by the well-known OEM firm CABER which fits the following machine models, and replaces OEM Part Numbers 588484801, and 545120001:

CRAFTSMANSpare Parts for CRAFTSMAN machines:

358.350980
358.350981
358.350982
944.411110

McCULLOCHSpare parts for McCULLOCH machines CS50S
POULANSpare Parts for POULAN / WEED EATER machines:

PP4818AV
PP5020AV

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Specifications

Specifications
Country of Origin	Italy
Product Code	1031375
Compatible Brand	McCULLOCH
Compatible Models	CRAFTSMAN 358.350982, 944.411110, 358.350981, 358.350980, McCULLOCH CS50S, POULAN / WEED EATER PP5020AV, PP4818AV
OEM Part #	588484801, 545120001

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