


4000 PSI @ 4.5 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
4000 PSI @ 4.5 GPM Horizontal Gas Engine Triplex Plunger Replacement Pressure Washer PumpAnnovi Reverberi AR RKA45G40HN horizontal gas engine triplex plunger pump is rated up to 4. 5 GPM at max 4000 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. 5 Max L Min 17 Max PSI 4000 MaxBar 275 Power EBHP 12. 5 Bore Dia mm 18 Stroke mm 13. 8 Crankshaft ID Stamp 2 Inlet 1 2" F Outlet 3 8" F Max Temp 140 F Oil Capacity (oz) 15 Weight 20 RPM 1750 Shaft Size 24mm
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4.1 ★★★★★
Based on 870 reviews
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Product Reviews
★★★★★ 5
Easy install
Color: Single Slat Gloss Black, Size: 2023+G20
Fits well. Made of plastic but very easy install.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 19, 2026
★★★★★ 1
I should have read all the other reviews ...
Color: Single Slat Gloss Black, Size: 2010-2013 E92, Color: Single Slat Gloss Black, Size: 2010-2013 E92
I read all the bad reviews, but I gave it a shot anyways
Tabs wont clip in place and fitment is slightly off.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
★★★★★ 5
Worth it
Color: Single Slat Gloss Black, Size: 2006-2009 E92
For perfect and looks great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 5, 2026
★★★★★ 5
Very nice quality
Color: Single Slat Gloss Black, Size: 2019-2022 G20
I have a 2022 330i bmw and it fit perfectly! Looks just like photos online and delivered quick!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025
★★★★★ 4
Good Item
Color: Single Slat Gloss Black, Size: 2002-2005 E46
Good cost to product ratio, but fitment is a little loose
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026