零件： 400702-00150A heavy-duty hydraulic cooling fan motor for Doosan / Develon DX700 and DX800 class excavators, with cast A and B port markings on the base block.

供货形式： 全新售后市场件，HTD品牌，中国制造。起订量1件，木箱包装，5至8个工作日内发货。.

Order on evidence: the number cast on your housing and a rear photo of the port block. Port identity, not part number, is what decides whether the reverse-clean function still works.