Partman Unloader Valve Kit 310924003 — Fits Coleman, Powermate, Simpson Pumps

Overview and Compatibility

The Partman Unloader Valve Kit 310924003 is designed to support a wide range of pressure washer pumps. It serves as a practical replacement option for popular brands such as Coleman, Powermate, and Simpson, and is also noted for use with Troy-Bilt variants. In addition, this kit is commonly referenced as a substitute on RIDGID, Echo Powerstroke, Workforce, and BLACKMAX machines. With this breadth of compatibility you can simplify maintenance across a mixed fleet, using a single ready-to-install kit when appropriate. The 310924003 designation is a familiar reference for technicians, helping you source the right part quickly.

Compatible brands and models

Whether you operate residential equipment or small service fleets, this kit aims to fit several pump families. Coleman, Powermate, and Simpson models are frequently serviced with 310924003, and Troy-Bilt variants also appear in repair workflows. Some users also rely on this valve kit for RIDGID, Echo Powerstroke, Workforce, and BLACKMAX pumps.

Key benefits at a glance

• Broad compatibility across Coleman, Powermate, Simpson pumps, and Troy-Bilt variants.
• OEM-style replacement with a widely recognized part number for easier sourcing.
• Clear ordering guidance including dimension checks and quick support if you have questions.
• Supports typical maintenance workflows when servicing a multi-brand equipment set.
• Designed to be straightforward to install with standard pump fittings.

Real-world use scenarios

In daily shop or field maintenance, technicians replace worn parts to restore consistent operation and reduce downtime. Homeowners may find it helpful as a single reference part when managing multiple machines during seasonal upkeep or renovations.

What to check before you order

• Confirm the model compatibility with Coleman, Powermate, Simpson, or Troy-Bilt pumps.
• Measure the relevant dimensions to ensure a proper fit.
• Keep the part number 310924003 handy for reference during sourcing.
• If you are unsure about fit, contact support for guidance within 24 hours.

Installation tips and aftercare

When installing, ensure the unit is depressurized and power is off. Align the valve with existing fittings, tighten securely, and test for leaks in a controlled environment. Retain your receipt and consult the support team if questions arise.

Why choose Partman

Partman focuses on practical, reliable parts designed to fit a broad array of pressure washer pumps. This unloader valve kit offers a convenient option for technicians and DIY enthusiasts who want to maintain multiple machines with minimal downtime. Brands where this kit is used as a replacement include Coleman, Powermate, Simpson, Troy-Bilt, RIDGID, Echo Powerstroke, Workforce, and BLACKMAX.