The part number -- replaces the following part numbers Will be replaced by 7638501 after the sale. 4622712 = M4622712 (hose 2.2m 3/4 ") -> 4622713. 4622711 = M4622711 (hose 2.2m 3/4 ") -> 4622712. 4622710 = M4622710 (hose 2.4m 3/4 ") -> 4622711.
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