STIHL Surface Cleaner RA 90 – 4910 500 3900 is a robust and efficient cleaning attachment designed to pair with compatible pre-2022 STIHL high-pressure washers. This accessory allows you to quickly and uniformly clean flat, hard outdoor surfaces such as patios, driveways, decking, and paving slabs — delivering superior results compared to a standard pressure washer lance.

Built for performance and durability, the RA 90 features a dual rotating jet arm housed within a protective shroud that minimises splashback and enhances operator safety and comfort. Its design promotes even cleaning, reduces streaking, and covers larger surface areas more quickly and efficiently than conventional nozzles.

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Key Features:

• Twin Rotating Jet Arms – Provide powerful, even cleaning across the entire working width

• Protective Housing – Minimises splash-back for safer, cleaner operation

• Designed for Pre-2022 STIHL Pressure Washers – Compatible with older STIHL models using the earlier accessory interface

• Wide Surface Coverage – Cleans larger areas faster than conventional spray

• Durable Construction – Built to withstand regular use in demanding conditions

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Ideal For:

• Cleaning patios, driveways, decking, and paved areas

• Removing algae, moss, mud, and surface stains

• Outdoor cleaning and property maintenance

• Users with older STIHL pressure washer models seeking an efficient surface cleaning solution

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Product Details:

• Product Type: Surface cleaner attachment

• Model: RA 90

• STIHL Part Number: 4910 500 3900

• Intended For: Pre-2022 STIHL high-pressure washers

• Accessory For: Hard surface cleaning applications

• Brand: STIHL

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Why Choose the STIHL RA 90 (4910 500 3900):

The STIHL Surface Cleaner RA 90 – 4910 500 3900 delivers efficient, streak-free results on hard outdoor surfaces, helping to cut cleaning time and reduce fatigue. Its dual rotating jets and splash-reducing housing make surface cleaning easier and more effective than using a standard spray lance. As a genuine STIHL accessory designed for earlier pressure washer models, it offers reliable compatibility and durability you can trust for regular outdoor maintenance.