AR20890 Unloader – Integral Mini Matic 4/B, 2–3 GPM, AR North America

Part Number: AR20890
Category: Pumps → Pump Accessories → Unloaders / Regulators
Type: Integral Unloader – Mini Matic 4/B, 2–3 GPM, Genuine OEM AR North America

The AR20890 Integral Unloader (Mini Matic 4/B) is a genuine OEM AR North America pressure unloader designed for compact pressure washer and pump systems operating in the 2–3 GPM range. This integral-style unloader helps regulate system pressure, protect the pump from over-pressurization, and ensure smooth, consistent operation.

Product Details

Brand: AR North America
OEM: Yes – Genuine AR North America Part
Application: Pressure Regulation / Pump Protection
Unloader Type: Integral Mini Matic 4/B
Flow Range: 2–3 GPM

Key Features

• Genuine OEM AR North America AR20890 unloader

• Integral Mini Matic 4/B design

• Designed for 2–3 GPM pump systems

• Helps regulate pressure and protect pump components

• Compact design ideal for tight installations

• Supports smooth, reliable pump operation

• Direct OEM replacement — no modifications required