


3000 PSI @ 4.0 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
3000 PSI @ 4.0 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer PumpAnnovi Reverberi AR RKA4G30AN horizontal gas engine triplex plunger pump is rated up to 4 GPM at max 3000 PSI spins a 24mm solid shaft at 1750 RPM using a 1 2F inlet and 3 8"F discharge thread. N version with a gas engine flange. Max GPM 4 Max L Min 15. 1 Max PSI 3000 MaxBar 206 Power EBHP 8. 2 Bore Dia mm 18 Stroke mm 12 Crankshaft ID Stamp 4 Inlet 1 2" F Outlet 3 8" F Max Temp 140 F Oil Capacity (oz) 15 Weight 19 RPM 1750 Shaft Size 24mm Shaft
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★★★★★ 5
Works well!
If you have Omni S1 pro this is everything you could ever need to maintenance for it! I have it run twice every night and you can’t beat $60 to have several repairs several times! Totally worth its money and fits exactly as if bought new!
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Reviewed in the United States on December 17, 2025
★★★★★ 5
Came as described
My order came exactly as described and in a very timely fashion. Very pleased with this purchase.
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Reviewed in the United States on December 7, 2025
★★★★★ 4
Genuine parts that keep my S1 Pro running like new
Fit & Quality:
Everything fit perfectly on my Eufy Omni S1 Pro — the rollers snapped right in, and the filters matched the originals exactly. You can tell these are genuine Eufy parts, not knockoffs.
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Solid replacement set that restores performance to like-new.
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