




The Salt Shift Magnetic Chassis Flusher is a hose-powered undercarriage nozzle that magnets to your frame and sprays high-pressure jets to remove mud, salt and grime from vehicle chassis.
Salt, road grime and wet mud collect on frame rails and suspension parts where a regular wash won’t reach. The Salt Shift Magnetic Chassis Flusher combines a multi-jet nozzle, a magnetic mount and an included extension hose with a US garden-hose adapter so you can quickly rinse the undercarriage at home or on the trail. Built from ceramic-reinforced nylon and brass fittings, it’s made to resist corrosion and deliver consistent flushing power to help slow rust and keep moving parts cleaner.
The chassis flusher uses six rare-earth magnets positioned to grip steel chassis rails and hold the nozzle steady while water sprays. That hands-free hold prevents the unit from shifting when jets are firing, so you get even coverage without balancing the tool under the car. The compact shape and balanced jet pattern reduce drag and make it easy to attach and remove.
Each of the six jets is angled to blast accumulated salt, sand and caked mud out of nooks and hard-to-reach cavities. The jets produce a concentrated, forceful stream that dislodges debris without needing a pressure washer—using only a standard garden hose and the included adapter. Regular use helps slow corrosive damage by removing lingering contaminants that trap moisture against metal.
Setup is a simple DIY process: attach the supplied extension hose to the flusher, screw on the US garden-hose adapter and connect to an outdoor spigot. Place the magnetic flusher on the chassis rail beneath the vehicle, turn on the water, and let the jets do the work. If you want extra cleaning power, add a compatible chassis wash or Salt Shift concentrate to help loosen stubborn grime.
The flusher is designed for vehicles with exposed steel chassis rails—cars, trucks, SUVs, 4x4s, trailers, RVs and boat trailers. While regular flushing cannot reverse existing corrosion, removing salt and trapped debris reduces the environmental triggers that accelerate rust. Its non-corrosive brass fittings and ceramic-reinforced nylon body mean the tool itself endures road conditions and repeated use.
Who this is for: The Salt Shift Magnetic Chassis Flusher suits home mechanics, off-road enthusiasts and anyone who wants an easy, affordable way to rinse the undercarriage without a pressure washer. If you own a truck, 4x4, trailer or seasonal vehicle exposed to salt, sand or mud, this tool makes underbody cleaning quicker and more effective, helping you protect structural components and reduce long-term maintenance costs.
Q: Can I use the chassis flusher with a regular garden hose?
A: Yes — it includes a US garden-hose adapter and works with standard municipal water pressure.
Q: Will the magnets damage my chassis finish?
A: No — the magnets hold on steel rails without tools; normal care avoids dragging to protect coatings.
Free shipping across Canada on every order, with no minimum. Orders are processed within 1 business day and standard delivery across Canada usually takes 2 to 5 business days after processing, with tracking by email. See the shipping policy.
Free 30-day returns. You have 30 days from delivery to start a return. Return shipping is free: email us your order number and we send a prepaid label. See the return & refund policy.
Not sure it fits? Email northtrailauto@gmail.com with your year, make, model and engine and we reply within 1 business day.












