VEVOR Pressure Washer Pump - 3/4 Inch Shaft - 3500 PSI - 2.5 GPM - QXB-1

The VEVOR pressure washer pump delivers a powerful output of up to 3500 PSI with a 2.5 GPM flow ra...

Best current price£51.90from Vevor UK

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Vevor UKVEVOR Pressure Washer Pump, 3/4" Shaft Horizontal, 3500 PSI, 2.5GPM, Replacement Power Washer Pumps Kit with 5 Nozzles, Hardware and Siphon Tube, Compatible with Simpson, Honda, Troy-Bilt, Generac
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Product Information

Full details

The VEVOR Pressure Washer Pump (QXB-1) is a robust replacement unit designed for DIY enthusiasts and professionals maintaining horizontal shaft engines between 6.5 and 7 horsepower. Delivering a maximum output of 3500 PSI at 2.5 GPM, it provides the necessary force for demanding residential and commercial cleaning tasks, though users must verify their engine's shaft diameter and bolt pattern before installation to ensure compatibility.

All features

Model Part NumberQXB-1
BrandVEVOR

Extended Product Information

FAQs

Will this fit a vertical shaft engine?

No, this pump is specifically designed for horizontal shaft engines only.

Do I need to change the oil in this pump?

No, this pump features a maintenance-free crankcase and does not require oil changes.

What is the maximum PSI for this unit?

The unit reaches a maximum pressure of 3500 PSI, with a recommended working pressure of 3050 PSI.

Are the nozzles included?

Yes, the kit includes 5 quick-connect nozzles for various spray patterns.

What size shaft does this pump require?

This pump requires a standard 3/4-inch horizontal shaft.

Can I use this for commercial cleaning?

Yes, it is designed for both residential and commercial applications within its 150-hour operational limit.

Troubleshooting

Low pressure output

Check that the nozzle is clear of debris and ensure the water supply hose is not kinked or restricted.

Pump is leaking at the shaft

Verify that the pump is properly aligned and the shaft key is seated correctly without obstruction.

Engine stalls when pump is attached

Confirm that your engine horsepower is within the 6.5-7 HP range and the shaft diameter is exactly 3/4-inch.

Pros and Cons

Pros

  • High pressure output suitable for heavy-duty cleaning
  • Maintenance-free design reduces long-term upkeep
  • Includes all necessary hardware for a quick installation
  • Durable anodized finish provides excellent corrosion resistance

Cons

  • Limited to horizontal engines with 3/4-inch shafts only
  • Not suitable for vertical shaft engines
  • Maximum continuous operation limited to 150 hours

Setup, Compatibility & Care

Before installation, ensure your pressure washer engine is a horizontal configuration with a 3/4-inch diameter shaft. Align the pump mounting holes with the SAE pattern on your engine crankcase. Use the included shaft key to secure the pump onto the crankshaft properly. When mounting, ensure all bolts are tightened evenly to prevent vibration or misalignment.

Care instructions include flushing the system with clean water after every use, especially if detergent or chemicals were utilized via the siphon tube. Store the unit in a dry, covered area to prevent freezing, as residual water in the pump can damage internal seals during sub-zero temperatures.

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