O Ring 3.5x380.59 2180-1217D174 #4 is suitable for DooSan DX520LC(DX520LC-ERP) excavator. DX520LC(DX520LC-ERP) excavator hydraulic parts 2180-1217D174 is on sale at Tonkee. Tonkee(www.partsdic.com) offers high quality 2180-1217D174 aftermarket parts for your excavator.
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