SIMPSON Manifold Replacement Kit for 520004 OEM Technologies Pump (7110613) — OEM-style assembly with pre-installed valves & therm

The Simpson Manifold Replacement Kit (7110613) is a complete OEM-style assembly to restore the manifold, valves, unloader, and thermal relief functions on a 520004 OEM Technologies axial cam pressure-washer pump.

If your pressure washer pump is leaking, losing pressure, or the soap injection and unloader aren’t functioning properly, replacing the manifold assembly is often the fastest, most reliable repair. This Simpson kit supplies the factory-style manifold plus installed valves, thermal relief, soap hose screen and mounting hardware so you can return the pump to service without sourcing multiple parts.

What components are included and why do they matter?

The kit arrives as a ready-to-install manifold assembly with necessary hardware and integrated parts so you don’t need separate valve or seal purchases. Using a single OEM-compatible assembly reduces installation time and the chance of missing critical components.

• Pre-installed intake and discharge valves for correct sealing and flow
• Integrated unloader to protect the pump when trigger gun is closed
• Thermal relief valve (TRV) to help prevent heat buildup in the pump
• Soap injection screen and hose inlet for detergent applications
• All mounting hardware and seals to simplify replacement

How does this kit fit and install on a 520004 OEM Technologies pump?

The Simpson 7110613 manifold is designed to match the 520004 pump’s mounting pattern and fluid ports so alignment and reassembly are straightforward. Basic hand tools and attention to torque specs are recommended; following the pump manual ensures correct valve orientation and gasket sealing.

• Matches OEM bolt pattern and port locations for direct replacement
• Includes gaskets and hardware to avoid additional part orders
• Pre-installed valves reduce disassembly steps
• Installation typically requires only common wrenches and torque adherence

Which performance issues does replacing the manifold address?

Replacing a damaged or worn manifold corrects common pump failures such as internal leaks, pressure loss, and improper unloader or soap-injection operation. Restoring factory-style components helps recover original pump behavior without replacing the entire pump.

• Stops leaks caused by cracked or corroded manifold body
• Restores consistent pressure by renewing valve seating
• Re-enables safe operation with a functioning unloader and TRV
• Makes soap injection usable again via installed screen and hose inlet

How durable and compatible is the Simpson replacement kit?

Simpson replacement parts are produced to match original specifications and withstand typical residential and commercial cleaning use. This specific kit is intended for the OEM Technologies 520004 axial cam pump; always confirm your pump model before ordering to ensure compatibility.

• OEM-style materials and dimensions for reliable fit and life
• Engineered valves and seals suited to pressure-washer conditions
• Appropriate for routine homeowner and light commercial use
• Compatible explicitly with 520004 model—verify model number first

Who is this for: The Simpson Manifold Replacement Kit 7110613 is ideal for owners, technicians, and rental operators who need a single, dependable assembly to repair a 520004 OEM Technologies axial cam pump. If you want to avoid piecing together multiple components, restore proper unloader and TRV function, and get back to cleaning quickly, this kit offers a practical, time-saving solution. Always confirm pump model compatibility and follow manufacturer torque and installation guidance for best results.