Valve Lock 420-00003A #4 is suitable for DooSan(DeaWoo) DX170W(DX170W(ERP)) excavator. DX170W(DX170W(ERP)) excavator option parts 420-00003A is on sale at Tonkee. Tonkee(www.partsdic.com) supplies high quality 420-00003A aftermarket parts for your excavator.
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