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Hotsy Plunger Oil Seals | Hotsy Pressure Washer Pump Repair

Hotsy pumps are manufactured with a Plunger Oil Seal to keep the high pressure water from mixing with the pump oil found within the crankcase, or pump body. These plunger oil seals slides onto the pump piston and sits behind each ceramic piston sleeve. If damaged or worn, the water from the manifold may contaminate the oil, reducing pump lubrication, resulting in either extensive damage or possible Hotsy pump replacement. Milky or caramel-colored pump oil is typically a sign of a failed plunger oil seal.

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Hotsy Pressure Washer Pump Plunger Oil Seals 8.717-585.0, Replaces 877653 8.717-585.0 Hotsy Plunger Oil Seal Kit




Replaces Part Numbers
877653, 70-260003

Our Price: $12.87
Hotsy Pump Plunger Oil Seal Kit 8.717-587.0, Replaces Part 877687 and 70-260006 8.717-587.0 Hotsy Plunger Oil Seal Kit




Replaces Part Numbers
877687, 70-260006

Our Price: $7.94
Hotsy Plunger Oil Seal Kit 8.717-618.0, Replaces 877655 and 70-260803 8.717-618.0 Hotsy Plunger Oil Seal Kit




Replaces Part Numbers
877655, 70-260803

Our Price: $11.69
Hotsy Pressure Washer Pump Plunger Oil Seal Kit 9.803-937.0, for use on Hotsy, Landa, Karcher and Legacy pumps 9.803-937.0 Plunger Oil Seal Kit
Hotsy / Landa / Karcher / Legacy Pumps

Replaces Part Numbers
98039370, 10997400, 70-260826

Our Price: $6.13