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Please note that your serial number could be located on the outside frame of your unit.  On the dataplate, there should be your model number, serial number, and possibly even a date of manufacture needed in order to match up the correct parts diagram for your unit accurately.

Here are some examples of your serial number location:

Here is an example of where you can find your corresponding Koshin pump serial number to enter for correct parts matching.

Serial Number Product Location Finder

253e794a10b60ca3a3fa3d4073e78726adbb819e_KSH_SERM_50V.jpg

9401b76829e1623db7ade237cee9d9a1f025b82b_KSH_SERM_50V.pdf

65f92b1685a4868b7fd04253e6646a6f63e0370a_MAIN_ASSY_2_.jpg

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7c33efdac1b6aad78e3994f658b66f78242f1733_KSH_889855056.jpg

7e179e55da941a6eb8aa1b61710f44cc0ea0f1f3_KSH_0115016.jpg

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SEM-50V

SERH-50B-BAA

SERH-50V

SERH-50Z

SERM-50V

SERM-50V Koshin America High Pressure Pump Parts