Fits CS-620P CS-620PW A411001430. Fits all CS-620 and CS-620PW saws as well as Shindaiwa 600SX. Will also fit all CS-590 CS-600 and Shinaiwa 591.this coil is an upgrade for these saws. The 590/600/591 saws have a limited coil factory and this coil is unlimited.
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