4000 PSI @ 4.75 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump

4000 PSI @ 4.75 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer Pump

Marsoni

M251S

$572.89

Get it in 3 business days with 1 day shipping. Friday, May 29

4000 PSI @ 4.75 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer PumpAnnovi Reverberi AR RK1828HN horizontal gas engine triplex plunger pump is rated up to 4. 75 GPM at max 4000 PSI spins a 24mm solid shaft at 1450 RPM using a 1 2F inlet and 3 8"F discharge thread. N version with a gas engine flange. Max GPM 4. 75 Max L Min 18 Max PSI 4000 MaxBar 275 Power EBHP 13 Bore Dia mm 20 Stroke mm 14. 6 Crankshaft ID Stamp 1 Inlet 1 2" F Outlet 3 8" F Max Temp 140 F Oil Capacity (oz) 15 Weight 20 RPM 1450 Shaft Size 24mm Shaft

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Set screws are poor quality and are sometimes powdercoated on the exposed threads. Leads to striped hex sockets and inability to tighten properly. Durable finish as evidenced by no visible damage after throwing parts across the shop in frustration. Ended up running self tapping screws thru parts to complete assembly.

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Reviewed in the United States on February 26, 2024

Verified Purchase

Carl L. Bradley

Phoenix, US

★★★★★ 1

Kinda flimsy…

Thought the assembly was metal, it’s some kind of PVC.

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Reviewed in the United States on September 22, 2025

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DRJRRT

New York, US

★★★★★ 5

Great references book.

Format: Hardcover

Excellent book for medical reference and refresh of knowledge.

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Reviewed in the United States on April 28, 2026

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Ray Schaar

Lowell, US

★★★★★ 5

A Wonderful Update To A Great Old Reference Book!

Format: Hardcover

It's the Merck Manual! If you know medicine but are aware you don't know EVERYTHING about EVERYTHING! (Few if any do!) This is a wonderful reference. If you have no medical knowledge and think this will make you know what doctors know. Don't waste your money. You have to have a basic understanding for this to be helpful. This is a wonderful update to an old favorite.

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Reviewed in the United States on July 16, 2025