Power Pressure Washer Water Pump For Generac 1538 Series Engines 1538 1538-0 1538-1 1294-0 High Flow 3000 PSI 2.5 GPM Replacement Part With 3/4 Inch Shaft And 4 Bolt Pattern

Single Pump Unit: High-Flow Pressure Washer for 1538 Series
✔️ Max 3000 PSI, 2.5 GPM, 3/4 in shaft, 4-bolt pattern, includes kit

This replacement pump is designed for 1538-series engines and similar horizontal pressure washers. Use it to restore high-pressure cleaning power in home, shop, or job-site setups. Inlet connects to a standard garden hose; outlet is 22mm male for compatible hoses.

✅ Max Pressure 3000 PSI
✅ Max Flow 2.5 GPM
✅ Max Pump Speed 3450 RPM
✅ Shaft Diameter 3/4 in
✅ 4 Bolt Pattern: 2 5/8 in center-to-center (66.7 mm)
✅ Inlet: Standard Garden Hose
✅ Outlet: 22mm Male
✅ Max Water Temp: 140 F
✅ Includes: Horizontal pump with chemical injector, unloader valve, thermal release valve, outlet tube, keyway, hose
✅ Mounting: Horizontal orientation; head cannot be flipped but position can be adjusted

💡 What is a pressure washer pump with a 3/4 in shaft used for in typical cleaning setups? This is a handy replacement pump for keeping your unit up and running in homes and shops.

- compatible with 1538-series engines and 1294-0 variants - supports up to 3000 PSI and 2.5 GPM - includes chemical injector, unloader valve, and thermal release valve - horizontal mounting with flexible orientation and minimum 6 HP ✝️