


CAT Pumps Pressure Washer Pump - 4000 PSI, 3.5 GPM, Direct Drive and Gas
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
CAT Pumps Pressure Washer Pump - 4000 PSI, 3.5 GPM, Direct Drive and GasGas engine must be purchased separately. (Pump includes Unloader and Chemical Injector) This CAT Pumps Pressure Washer Pump provides a fast changeover, even in the field. Pre plumbed and pre tested. Fits 4 bolt engine face plates. Bolts not included; use existing bolts from old pump to install new pump. Max. PSI: 4,000, Shaft Diameter (in.): 1, Fuel Type: Gasoline, GPM: 3. 5, Application: Pressure washer pump, HP: 11 13 FEATURES: Triplex plunger
Quick Dispatch:
Your CAT Pumps Pressure Washer Pump - 4000 PSI, 3.5 GPM, Direct Drive and Gas orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your CAT Pumps Pressure Washer Pump - 4000 PSI, 3.5 GPM, Direct Drive and Gas ships.
Need Help?
Questions about CAT Pumps Pressure Washer Pump - 4000 PSI, 3.5 GPM, Direct Drive and Gas, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for CAT Pumps Pressure Washer Pump - 4000 PSI, 3.5 GPM, Direct Drive and Gas in your area.
Get Shipping Estimates
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
You may also like
4.1 ★★★★★
Based on 871 reviews
Sort
Product Reviews
★★★★★ 5
Dogman plus comfort
Size: Medium, Color: Blue
Bought to use as part of a Dogman costume. Will work great and is super comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 18, 2025
★★★★★ 4
very breathable
Size: Large, Color: Gray
Very breathable, my son and my husband share them both.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 19, 2025
★★★★★ 5
Greg
Size: 3X-Large, Color: Gray
Great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 16, 2026
★★★★★ 1
Not well made
Size: Large, Color: 1-black
Terribly made, the bottome of the pants are baggy and Genie like
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
★★★★★ 5
Great value
Size: X-Large, Color: White
Excellent fit. Great value and very comfortable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 29, 2025