Part Number: AXD2527G
Category: Pressure Washer Pumps → Axial Cam Pumps → Gas Pressure Washer Pumps
Type: Comet AXD2527G Pressure Washer Pump – 2.5 GPM 2700 PSI 3/4" Gas Shaft

The Comet AXD2527G Pressure Washer Pump (Part #AXD2527G) is a genuine OEM axial cam pressure washer pump designed for dependable residential and light commercial cleaning applications. Manufactured by Comet Pumps, this direct-drive pump delivers 2.5 GPM at 2,700 PSI, providing reliable cleaning performance for driveways, patios, decks, siding, vehicles, outdoor equipment, and general property maintenance.

Key Features & Benefits

• Genuine Comet OEM axial cam pressure washer pump
• Part Number: AXD2527G
• Direct-drive axial cam design
• Delivers up to 2.5 GPM at 2,700 PSI
• Designed for gas-powered pressure washers
• 3/4-inch hollow shaft
• Operates at 3,400 RPM
• Compatible with engines up to 5 GHP
• 3/4" FGH water inlet
• 3/8" MPT high-pressure outlet
• Compact, lightweight construction
• OEM-quality performance and durability
• Excellent replacement for residential and light commercial pressure washers

Technical Specifications

Part Number: AXD2527G

Pump Model: AXD2527G

Manufacturer: Comet Pumps

Product Type: Axial Cam Pressure Washer Pump

Maximum Flow Rate: 2.5 GPM

Maximum Pressure: 2,700 PSI

Maximum Pump Speed: 3,400 RPM

Gas Horsepower (GHP): 5

Shaft Size: 3/4" Hollow Shaft

Water Inlet: 3/4" FGH (Female Garden Hose)

High-Pressure Outlet: 3/8" MPT

Weight: 12 lbs

OEM Replacement: Yes

Compatible Applications

Designed for use with compatible gas-powered pressure washer systems featuring:

• 3/4-inch horizontal engine shafts
• Engines up to 5 GHP
• Residential pressure washers
• Light commercial pressure washers
• Equipment replacement and repair projects
• OEM pressure washer installations

Always verify shaft size, mounting configuration, engine horsepower, and pressure/flow requirements before ordering.

Function of the Pressure Washer Pump

The AXD2527G pump helps:

• Deliver up to 2.5 GPM of water flow
• Generate operating pressures up to 2,700 PSI
• Restore pressure washer performance
• Provide dependable cleaning for residential and light commercial applications
• Improve overall cleaning efficiency
• Replace worn or damaged OEM pumps

Its compact axial cam design offers efficient direct-drive performance while providing a cost-effective replacement solution for compatible pressure washer systems.

Common Signs Replacement Is Needed

Replace the pump if you notice:

• Reduced operating pressure
• Decreased water flow
• Water or oil leaks
• Excessive operating noise
• Cracked or damaged pump housing
• Excessive internal wear
• Loss of cleaning performance

Replacing a worn pump restores cleaning performance while minimizing equipment downtime.

Installation & Service Notes

• Shut down the pressure washer and disconnect the spark plug before servicing.
• Relieve all system pressure.
• Verify compatibility with the 3/4-inch shaft, mounting configuration, engine horsepower, and pressure requirements.
• Remove the existing pump and inspect the engine shaft for wear or corrosion.
• Install the replacement pump according to the manufacturer's specifications.
• Connect the 3/4" FGH water inlet and 3/8" MPT high-pressure outlet fittings.
• Prime the pump with water before startup.
• Verify proper operation and inspect for leaks after installation.

Important: Never operate the pump without an adequate water supply. Running the pump dry can quickly damage internal components, seals, and valves, significantly reducing pump service life.

Maintenance Recommendations

• Inspect the pump regularly for water or oil leaks.
• Maintain a clean, filtered water supply to reduce internal wear.
• Flush the pump after use when pumping dirty or corrosive water.
• Inspect inlet and outlet fittings periodically for leaks or damage.
• Use only genuine OEM Comet replacement parts and recommended lubricants to maintain optimum pump performance, reliability, and long service life.