EZ2542EL Triplex Pressure Washer Pump – 4.2 GPM @ 2500 PSI, 1750 RPM, 1-1/8″ Hollow Shaft, Left-Hand

Part Number: EZ2542EL
Category: Pressure Washer Pumps
Type: Direct-Drive Triplex Pump – EZ2542EL, 4.2 GPM @ 2500 PSI (1750 RPM, 1-1/8″ Hollow Shaft, Left-Hand Rotation)

The EZ2542EL Triplex Pressure Washer Pump is a high-flow, low-RPM electric-duty pump from General Pump’s EZ Series 44E, engineered for smooth operation, long service life, and consistent professional performance. Rated for 4.2 GPM at up to 2500 PSI and designed to operate at 1750 RPM, this pump delivers increased rinsing power and productivity while minimizing wear compared to high-speed alternatives. Featuring a 1-1/8″ hollow shaft with left-hand rotation and a direct-drive configuration, the EZ2542EL is ideal for electric pressure washers and OEM replacements that require specific motor rotation, quiet operation, and durable triplex performance.

Product Specifications

Pump Model: EZ2542EL
Pump Type: Triplex Plunger, Direct Drive (Electric Flange)
Flow Rate: 4.2 GPM
Max Pressure: 2500 PSI
Max Pump Speed: 1750 RPM
Max Inlet Pressure: 125 PSI
Max Inlet Vacuum: 3 ft water (2.6 in Hg)
Bore: .708″ (18 mm)
Stroke: .512″ (13 mm)
Shaft Size: 1-1/8″ Hollow (1.125″ / 28.5 mm I.D.)
Crankcase Oil Capacity: 14.0 oz
Max Fluid Temperature: 165°F
Inlet Port Thread: 1/2″ – 14 BSPP-F
Discharge Port Thread: 3/8″ – 19 BSPP-F
Dimensions: 8.8″ x 8.8″ x 6.3″
Weight: 18.5 lbs
Condition: New

Features & Benefits

• Triplex plunger design for smooth, low-pulsation output

• High 4.2 GPM flow for faster rinsing and increased productivity

• Optimized for 1750 RPM electric-drive systems

• Left-hand hollow shaft for specific motor configurations

• Low-RPM operation reduces wear and extends pump life

• More durable and serviceable than axial-style pumps

Applications

• Electric pressure washers

• General pressure cleaning and washing systems

• Light commercial and professional equipment

• OEM replacement for EZ Series 44E left-hand configurations

• Equipment repair and refurbishment

Important Notes

• Verify shaft size (1-1/8″ hollow), left-hand rotation, and motor compatibility before ordering

• Designed for direct-drive electric motor configurations

• Fill crankcase with the specified oil before operation and maintain per manufacturer guidelines

• Final operating PSI and GPM depend on motor output and overall system setup