Hourleey Pressure Washer Undercarriage Cleaner 13-inch Water Broom — 1500–4000 PSI, 4 Nozzles & Caster Wheels

Hourleey Pressure Washer Undercarriage Cleaner is a 13-inch water broom assembly that connects to most pressure washers (1500–4000 PSI) to rinse and remove dirt, oil, and road grime from vehicle undersides quickly and safely.

This compact undercarriage cleaner gives you a faster, more controlled way to clean the bottoms of cars, trucks, RVs and boats without crawling underneath. The kit includes a 13-inch bar with four high-pressure nozzles, two caster wheels for smooth travel, a 13-inch straight extension wand and a 13-inch 45-degree angled wand. It hooks to a standard pressure washer gun via 1/4" quick-connect fittings and performs best at 2500 PSI or higher, but will operate down to 1500 PSI.

How does the Hourleey undercarriage cleaner make underside cleaning easier?

The design lets you stand and push the wand under the vehicle instead of lying on your back or using a lift. Four spray nozzles deliver a wide, consistent fan of water to dislodge grime quickly while the caster wheels roll smoothly along the ground.

• 13" cleaning bar with four high-pressure jets for broad coverage
• Two caster wheels for stable, guided movement under the vehicle
• Quick-connect 1/4" fittings for fast assembly and swap-out

What pressure washer specs and settings work best with this tool?

The Hourleey unit is rated for 1500–4000 PSI; you’ll see the best performance at 2500 PSI and above. Ensure your washer’s flow and pressure meet those ranges and use a moderate pass rate — too slow can risk scouring, too fast wastes water without improving cleaning.

• Recommended pressure: 2500 PSI or higher for optimal cleaning
• Minimum pressure: 1500 PSI (below this performance decreases)
• Use steady, controlled passes beneath the vehicle for even results

Which wand setup should I use for different vehicles or tight spaces?

The kit includes a straight 13" extension and a 13" 45-degree angled wand so you can adapt to clearance and reach requirements. Use the angled wand to access recessed areas or low-clearance vehicles; the straight wand gives maximum forward reach for SUVs and trucks.

• Straight wand: extended reach for longer wheelbases and low debris
• 45-degree angled wand: better access to recessed or awkward undercarriage areas
• Quick swap between wands with the 1/4" quick-connect for flexibility

How do I assemble and operate the cleaner safely?

Assembly is simple: attach the curved undercarriage bar to the cleaner body, connect the chosen wand, then hook the assembly to your pressure washer gun. Move the unit under the vehicle while maintaining a safe distance and consistent gun control—avoid pointing the jet toward body panels, seals or delicate components.

• Attach curved bar, then straight or 45° wand, then the pressure-washer gun
• Keep a steady motion; let the wheels guide the cleaner under the vehicle
• Maintain safe distance from electrical connectors, hoses and seals

Who this is for: The Hourleey 13" undercarriage cleaner is ideal for DIY car enthusiasts, mobile detailers, RV owners and boat stewards who want a faster, safer method to clean underside surfaces without lifts or crawling. It suits users with pressure washers rated between 1500–4000 PSI who need better reach and more consistent coverage under vehicles.