The Mazzoni MMD Pump Oil Seal Kit is a replacement crankcase oil seal kit for Mazzoni MMD solid shaft pressure washer pumps. Designed to replace worn or damaged oil seals, this kit helps keep lubricating oil contained within the pump crankcase while protecting internal components from water contamination.
The crankcase oil provides critical lubrication for the pump's internal moving components. When an oil seal begins to fail, oil may escape from the crankcase or water may contaminate the pump oil, compromising the lubrication and protection those components depend on.
Replacing worn oil seals helps maintain proper crankcase sealing and protects the internal pump assembly from the damage that can result from lubrication loss or water-contaminated oil.
When Should Pressure Washer Pump Oil Seals Be Replaced?
Oil seals should be inspected when there are signs that the crankcase is no longer remaining properly sealed.
Common reasons to inspect the oil seals include:
- Oil leaking from the pump
- Water contamination in the crankcase oil
- Milky or cloudy pump oil
- Recurring loss of crankcase oil
- Visible deterioration or damage to an oil seal
- Oil seal replacement during an MMD pump rebuild
Finding the source of an oil or water leak is important before replacing components, as other pump components may produce similar symptoms.
Replacement Crankcase Oil Seal Kit
Designed to replace worn or damaged oil seals in compatible Mazzoni MMD solid shaft pressure washer pumps.
Helps Prevent Oil Leakage
Maintains crankcase sealing to help keep lubricating oil contained inside the pump where it is needed.
Helps Prevent Water Contamination
Proper oil sealing helps prevent water from entering and contaminating the pump's crankcase lubrication.
Protects Internal Pump Components
Keeping the crankcase properly lubricated and protected from water contamination supports the longevity of the pump's internal moving components.
Supports Proper Pump Maintenance
Provides service components for repairing the crankcase sealing system rather than replacing an otherwise serviceable Mazzoni MMD pump.
| Specification | Details |
| Brand | Mazzoni |
| Part Number | 49.6304 |
| Product Type | Crankcase Oil Seal Kit |
| Pump Series | MMD |
| Pump Configuration | Solid Shaft |
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