KÄRCHER Pressure Washer Pump 3000 PSI Vertical Shaft 7/8" – 2.5 GPM Radial, Maintenance-Free

The KÄRCHER Pressure Washer Pump 3000psi (vertical shaft, model 9.120-020.0 / 8.919.886.0) is a direct-fit, maintenance-free radial pump rated for up to 3000 PSI and 2.5 GPM for compatible KÄRCHER and popular OEM machines.

This pump is designed as a replacement unit for a range of KÄRCHER upright and consumer pressure-washer models and for several popular aftermarket models that share the same 7/8" vertical shaft configuration. Built as a radial (maintenance-free) design, it offers the pressure and flow specifications needed for homeowners and light-professional use while matching many OEM part numbers for straightforward installation.

Which machines and part numbers does this pump fit?

This vertical-shaft pump fits a variety of KÄRCHER models and several EXCEL, XR and DELTA machines that use the same shaft and mounting pattern. It's intended to replace numerous OEM and aftermarket references to simplify sourcing the correct unit.

• KÄRCHER models: G2500LH, G2500VH, G2600PH, G2600VC, G2600VH, HD2.3/26CV, G2800FH.
• Compatible part references: 1.194-403.0, 1.194-402.0, 1.194-405.0, 1.107-109.0, 1.194-404.0, 1.107-077.0 and related numbers.
• Also fits EXHA2425, XR2500, XR2600 horizontal-shaft variants where specified or radial replacement is required.
• Replaces multiple aftermarket codes such as A14292, A14527, D21258 and others listed by OEM.

What are the pump's key performance specs and construction traits?

The pump is rated at a maximum of 3000 PSI and delivers up to 2.5 gallons per minute, making it suitable for heavy home cleaning tasks and many light-commercial applications. Its radial design minimizes routine maintenance and is built to match the mechanical interface of the listed KÄRCHER and compatible units.

• Maximum pressure: 3000 PSI (pounds per square inch).
• Flow rate: 2.5 GPM (gallons per minute).
• Shaft: 7/8" vertical shaft common to stated models.
• Design: maintenance-free radial pump for simplified ownership.

How simple is installation and which parts does it replace?

Installation is straightforward when replacing pumps with the same shaft orientation and mounting pattern; many users swap this unit for original equipment pumps without major modification. Confirm compatibility by matching the shaft size, mounting holes and original part numbers before purchase.

• Direct-replacement for many KÄRCHER models and several aftermarket/excel/DELTA references.
• Check original part numbers like XR2500, XR2600, EXHA2425 or KÄRCHER references to ensure fit.
• Usually mounts using the same bolt pattern and plumbing as the original pump.
• Requires basic tools and mechanical aptitude for a secure swap; replace seals if old fittings are worn.

What should I expect for durability and maintenance?

The radial pump design used here is described as maintenance-free, which reduces routine servicing compared with rebuildable axial pumps. Normal care includes checking hoses, fittings and seals and ensuring clean water supply to limit debris wear.

• Maintenance-free radial architecture reduces scheduled rebuilds.
• Inspect inlet filters and hoses regularly to prevent particulate damage.
• Replace any worn mounting hardware or seals during installation for best longevity.
• Not intended to alter machine ratings—operate within the pump's PSI/GPM limits.

Who is this for: This KÄRCHER 3000 PSI vertical-shaft pump is aimed at homeowners, maintenance pros and light-commercial users who need a reliable replacement for specific KÄRCHER upright units and several compatible aftermarket models. Choose this pump if your machine lists the listed part numbers or you need a direct-fit 7/8" vertical-shaft radial pump rated at 3000 PSI and 2.5 GPM.

Note: Always verify model compatibility and original part numbers before ordering. Installation may require basic mechanical skills and adherence to safety procedures.