RIDGE WASHER Pressure Washer Undercarriage Cleaner 24" — 4000 PSI, 7-Nozzle Spray Bar, Caster Wheels

The RIDGE WASHER 24-inch Pressure Washer Undercarriage Cleaner is a heavy-duty accessory that sprays from beneath to remove grime, oil and road debris from cars, trucks and trailers using up to 4000 PSI.

Designed for homeowners, detailers, and fleet managers who prefer to clean undercarriages without crawling beneath vehicles, this undercarriage washer connects to most hot or cold-water pressure washers. Its 24-inch spray bar, seven nozzles and two caster wheels create a fast, stable cleaning path that reduces physical strain and speeds up the wash process. The kit includes two straight extension wands and a 45° curved wand for reach and maneuverability, plus coupling hardware for quick attachment to a pressure gun.

How does this undercarriage cleaner attach and deploy?

Installation is straightforward: assemble the straight extensions and curved wand, then connect the assembled wand to your pressure washer gun via a quick connector. Pull the wand under the vehicle while operating the gun; the casters allow the spray bar to roll smoothly for consistent coverage.

• Includes two straight extension wands and one 45° curved wand for reach
• Quick-connect fitting for fast attachment to most pressure guns
• Two casters for stable, rolling operation under the vehicle

What pressure and water type work best with this tool?

The unit is designed to handle pressure in the range of 1500 to 4000 PSI; performance improves at pressures around 2500 PSI and above. It is compatible with both hot and cold water pressure washers, allowing you to choose based on the soil type and washer capability.

• Operating range: 1500–4000 PSI — optimal performance typically 2500+ PSI
• Suitable for hot or cold water systems for flexible cleaning power
• Seven spray nozzles deliver overlapping jets for thorough undercarriage coverage

Which vehicles and soils can it effectively clean?

This undercarriage washer works on passenger cars, SUVs, trucks and commercial trailers to remove road grime, accumulated mud, and light oil residues. Its wide 24-inch spray and multiple jets help cover axle areas, exhaust sections and frame rails without moving the vehicle.

• 24-inch spray bar covers a broad swath beneath most vehicles
• Seven nozzles create a pattern that targets frame rails and suspension components
• Good for mud, salt, dirt, and surface oil deposits on cars and light commercial vehicles

Who is this for: The RIDGE WASHER 24" Undercarriage Cleaner is suited to DIY car enthusiasts, mobile detailers, small repair shops and fleet owners who need a faster, safer way to wash vehicle undersides. If you have a pressure washer rated above 1500 PSI and routinely deal with road grime or salt, this tool reduces time spent working beneath vehicles and improves cleaning consistency.