MUTURQ 1-inch Shaft Horizontal Triplex Pressure Washer Pump — Replacement for Simpson 90034/90039 & More | 4000 PSI 4.6 GPM

Powerful performance for residential and light commercial cleaning

Engineered to deliver up to 4000 PSI and 4.6 GPM, the MUTURQ 1-inch shaft horizontal triplex pump is built to handle demanding cleaning tasks with steadiness and efficiency. The forged brass body resists corrosion and helps establish reliable seals, contributing to a long, consistent service life. Real-world use often involves blasting away mud, concrete dust, and mildew from driveways, decks, and siding.

What you get and how it helps

• Includes mounting bolts, shaft key, five color nozzle tips, a 3/8 inch plug to M22-14mm adapter, and pre-sealed components for quick reassembly.
• 3/8 inch socket hose outlet and 3/4 inch NH garden hose inlet simplify connections to common hoses and wands.
• Built-in oil sight glass enables visual monitoring of oil levels without a dipstick, helping you keep the pump lubricated.
• Impressive working time of up to 500 hours under typical residential use.

Ease of use and maintenance

• Adjustable unloader lets you set pressure by hand, supporting controlled cleaning and surface care without extra tools.
• Oil change is straightforward via the oil inlet, with clear visibility of oil condition to spot contamination early.
• The standard bolt pattern fits most horizontal 1 inch shaft gas engines, making it a versatile replacement.

Compatibility and versatility

• Designed to work with a range of models, including Simpson 90034, 90039, 41113, 41028, 41030, 41115, and General TS2021 EZ4040G RSV4G40-PKG family.
• Engine compatibility typically spans 9-15 HP units, supporting both residential and light commercial workflows.

Note: This is a replacement pump designed to restore performance. Results depend on your unit setup and maintenance schedule. Benefits described are possibilities based on features, not guarantees.