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

The most common problem of a cylinder that needs replacement is in case there are scratches into the surface of the tube where the piston runs.

What other parts I may need to replace on my machine when replacing the piston?

To replace the piston you need to disassemble the engine, so you also need to replace the cylinder gasket, at least. Also, it is recommended to check the piston bearing.

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Piston Kit for ECHO / KIORITZ DMC521 Duster, Mistblower (43mm) [#10000007310]

$30.87

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Piston Kit for ECHO / KIORITZ DMC521 Duster, Mistblower (43mm) [#10000007310] and related spare parts.

Details

This listing is about a brand new after-market Piston KitHow to find the size of a piston ring in its original package, for the following ECHOSpare parts for ECHO machines DMC-521 models, 43mm in diameter, which replaces OEM Part #100011-33730.

This high-performance Piston Kit comes directly from a top-quality ISO-certified Manufacturer.
This top-quality Piston Kit is covered by a 2-year warranty.
No Exporters - No Intermediaries You buy at a competitive price, because we buy directly from the source!

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Specifications

Specifications
Country of Origin	Taiwan
Product Code	1029901
Compatible Brand	ECHO
Compatible Models	ECHO DMC521
OEM Part #	10000007310

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