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The Maruyama MSD41 is a 3-cylinder piston pump with chrome-coated cylinders, delivering up to 8 GPM at a maximum of 570 PSI. It comes with a pressure relief valve and base mounting kit. Note: color may vary.
| Model | Maruyama MSD41 (Part #354051) |
| Pump Type | 3-cylinder piston, chrome-coated cylinders |
| Max Flow | 8 GPM |
| Max Pressure | 570 PSI |
| Includes | Pressure relief valve, base mounting kit |
| Crankcase Oil | Approx. 12–13 oz SAE 10W-30 (not included) |
We stock the main repair parts for this pump, plus 3 pre-built repair kits. There are a lot of small parts in the MSD41, so the kits make a manufacturer-recommended rebuild simple.
| Kit | What It Covers |
|---|---|
| Kit A Piston Rod Seals |
Oil seals, U-packings, washers, and oil wicks for the piston rods |
| Kit B Valve Repair |
Inlet and discharge valves, seats, springs, retainers, piston packings, and o-rings |
| Kit C O-Rings |
Viton o-rings (6 each of #011686 and #011377). Great as spares for reassembly. |
Maruyama has reported that large particles or improperly mixed powdered chemicals can build up around the pump seals and get into the crankcase. To prevent this, Maruyama recommends:
This pump is covered by Maruyama's limited warranty. Maruyama decides, at its sole discretion, whether to repair or replace a pump under warranty. QSpray.com has no authority over that decision. You must fill out and return the warranty registration. Download the warranty or contact us with questions.
Pumps that have been installed are NOT eligible for return, refund, or exchange. This ensures every customer receives a pump in brand-new condition.
Download Maruyama MSD41 Pump Parts Diagram
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MODEL: Maru MSD41
$639.99
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