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Underbody Protection Kit

The Groundswell Offroad Underbody Protection Kit is built to defend where it matters most—your 4WD’s undercarriage. Designed for serious offroaders, it delivers both deep cleaning power and long-lasting protection to keep your chassis clean, corrosion-free and ready for the next adventure across beach tracks, muddy trails or outback terrain.

Regular price $169.00
Shipping calculated at checkout.
  • Chassis Protection
  • Deep Cleaning
  • Rust and Corrosion Shield
  • Australian Made

Product Details

This complete system starts with the Groundswell Underbody Jet Sprayer, engineered for maximum reach and cleaning force. Its high-pressure jets flush out salt, sand and mud from hard-to-reach areas, stopping corrosion before it starts. Follow up with the Groundswell Underbody Protection Spray, a professional-grade formula that forms a durable, anti-corrosion barrier to repel saltwater, mud and grime for ongoing defence.


  • Removes salt, sand and caked-on mud

  • Cleans deep into hard-to-reach chassis areas

  • Ideal for post-beach or offroad cleaning

  • Creates a lasting rust and corrosion barrier

  • Repels water, salt and mud buildup

  • Provides up to 2 weeks of protection per application

  • Proudly Australian made and tested for local conditions

Included Items

1x Underbody Jet Sprayer

1x Underbody Protection Spray (1L)

How To Use

Step 1: Connect the Groundswell Underbody Jet Sprayer to your hose and position it beneath your vehicle’s chassis.

Step 2: Turn on the water and move the sprayer slowly along the chassis rails and undercarriage to flush out salt, mud and debris.

Step 3: Once the underbody is clean and dry, apply the Groundswell Underbody Protection Spray evenly across all exposed metal surfaces.

Step 4: Allow the coating to cure for full protection before driving.

TIP: Use after every beach or offroad trip to maintain long-term underbody protection.

Specifications

  • High-pressure underbody jet system
  • Connects directly to standard garden hose
  • Suitable for 4WDs, trailers and caravans
  • Anti-corrosion protection lasting up to 2 weeks
  • Australian made and tested for harsh offroad environments

The Only Offroad Cleaning System Tested on K'gari, Double Island & Cape York's Harshest Conditions