A Jabsco engine water pump rubber spacer is usually located behind the seal and o-ring on some Jabsco engine water pumps.
A Jabsco engine water pump rubber spacer is usually located behind the and [product=4929]Jabsco SP2000-21B Water Pump O Ring on some Jabsco engine water pumps including:
| Material | Rubber |
| External Diameter | 29mm (3/4") |
| Internal Diameter | 19mm (1 1/8") |
