There are 3 basic steps to determine the correct Detroit Diesel replacement pump or find parts for your pump: |
• The number of cover screws - 4, 5 or 6 |
• The impeller depth - either 2 1/2 inches or 3 1/2 inches (if there are 5 cover screws) |
• The impeller drive - either splined or double flat drive (if there are 6 cover screws) |
If there are 4 cover screws then it is a Jabsco 18780 Series or Jabsco 18790 Series pump. Parts for these pumps are available below under 18780_series_parts |
If there are 5 cover screws then the impeller depth determines the correct pump. |
If there are 6 cover screws then the impeller drive determines the correct pump. |