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Product Description
Maruyama MSD41 Valve Repair Kit B
includes the following:
| Part Number | Description | Quantity |
| 639503 | Inlet Valve Assembly | 3 |
| 116121 | Piston Packing | 3 |
| 046365 | Nylon Nut | 3 |
| 011686 | P21 O-ring | 3 |
| 011377 | Cylinder O-ring | 3 |
| 044881 | Valve Seat | 3 |
| 044565 | Valve Retainer | 3 |
| 548608 | Discharge Valve | 3 |
| 541062 | Valve Spring | 3 |
Click Here for Maruyama MSD41 Pump parts diagram
NOTE ON REPAIR KITS: We stock the main repair parts for this pump. We have also created 3 repair kits. We created the kits to consolidate the required components for a manufacturer-recommended rebuild.
Click here to download Maruyama MSD41 Pump Repair Kit Info
NOTES:
For crank case oil, use 10W30. Fill to Red Dot (about .38 liters).
Lubricate Oil Wicks with a few drops of 10W30 oil.
If there is water or chemical mixture in the crank case; drain, flush, and replace oil.
Specifications
- Weight: 0.5 lb
- Width: 3 in
- Depth: 3 in
- Height: 3 in




