High-Pressure Washer Pump Replacement, 2500–3400 PSI 2.5 GPM 19mm Horizontal Shaft for Honda Simpson

Make your pressure washer run more smoothly and clean faster and more effectively with our High Pressure Washer Pump Replacement. With a rated pressure range of 2500-3400 PSI and up to a 2.5 GPM flow rate, this power washer pump delivers strong and consistent output suitable for patios, brickwork, fencing, vehicles and outdoor surfaces in both residential and commercial environments. Fitted with an SAE standard 4-bolt mounting configuration and a 19 mm horizontal shaft, this rear outlet pump fits most 196-230 cc petrol engines. Engineered for enhanced durability, the pump features hardened plungers, upgraded sealing components and a one-piece pump head to minimise leakage and extend operational lifespan. The metal shaft sleeve helps prevent oil leakage, and the maintenance-free crankcase eliminates the need for oil changes, reducing downtime and simplifying upkeep. Additionally, the integrated thermal relief valve safeguards the pump from overheating, while the optimised cold-start design allows quick engine start-up without pressure release. Upgrade your existing machine and restore performance, save money, and extend the life of your equipment with this pump for pressure washers.

• Please refer to the "Estimated Delivery Time Frame" available in the product listing for expected delivery time to your address

• NOTE: No delivery to PO Box addresses or Parcel Lockers (please provide residential or business address at checkout)

• We ship across Australia, including major cities like: Sydney, Melbourne, Perth, Brisbane, Adelaide, Canberra, Newcastle and the Gold Coast

• All products sold by Ausway have a "dead on arrival" (DOA) warranty. This means that if the product is damaged during delivery and a claim is made , Ausway will replace or repair the product at their discretion and their cost. If Ausway has no further stock of the item and it cannot be repaired, Ausway will replace it with a similar product or offer you a full refund.

• Restore Your Pressure Washer Performance: Delivering a rated 2500-3400 PSI and up to 2.5 GPM (9.5 L/min), this replacement pump is ideal for cleaning walls, driveways, patios, fences and vehicles-saving you the cost of buying a new machine.
• Wide Compatibility - SAE Standard Fit: Designed with an SAE standard 4-bolt mounting pattern and 3/4" (19.05 mm) horizontal shaft, compatible with most 196-230cc rear outlet engines, including models from RYOBI, Honda, Briggs & Stratton, Subaru, PowerStroke, Craftsman, Simpson and Homelite.
• Enhanced Sealing & Leak Protection: Hardened plungers improve wear resistance and extend the life of water and oil seals. The one-piece pump head enhances sealing performance, while the metal shaft sleeve reduces the risk of oil leakage.
• Maintenance-Free Crankcase: No oil changes required. The sealed crankcase design reduces maintenance time and keeps operation simple and efficient.
• Optimised Cold Start: Starts easily without releasing pressure beforehand, making cold starts faster and more convenient.
• Thermal Protection Built-In: Integrated thermal relief valve automatically activates above 58°C to prevent pump head overheating and prolong service life.