The Chassis Flush + Anti-Rust Detergent Kit includes The Captain's Musket (Foam & Flush Gun) for precise cleaning solution application, Chassis Flush Solution (1L) to remove salt, sand, and debris while preventing corrosion, and the Chassis Grenade (Magnetic Chassis Flush Device) with a 360º spinning nozzle for a thorough internal flush of chassis rails
What you get in this bundle
About this product
The Chassis Flush + Anti-Rust Detergent Kit is the ultimate underbody maintenance solution designed to flush out trapped salt, mud, and debris while leaving behind a protective anti-rust barrier. Whether you're an off-road enthusiast, a beach driver, or just want to extend the life of your vehicle’s chassis, this kit ensures a deep clean and long-lasting corrosion protection with minimal effort.
What’s Included?
✅ The Captain’s Musket (Foam & Flush Gun) – A versatile tool that connects to your garden hose, allowing for precise application of cleaning solutions. Perfect for flushing out chassis rails with controlled pressure and ease.
✅ Chassis Flush Solution (1L) – A high-strength anti-rust formula that removes salt, sand, and debris from inside your chassis while creating a protective layer to prevent long-term corrosion.
✅ Chassis Grenade (Magnetic Chassis Flush Device) – A powerful magnetic cleaning attachment featuring a 360º spinning nozzle head that evenly distributes cleaning solution inside chassis rails, ensuring a complete and thorough flush in hard-to-reach areas.
Why You Need It:
✔️ Deep cleans and protects chassis rails – Removes trapped salt, sand, and grime that can lead to rust and structural damage.
✔️ Prevents long-term corrosion – The Chassis Flush Solution leaves a protective anti-rust coating to reduce wear over time.
✔️ Effortless application – The Captain’s Musket and Chassis Grenade make flushing quick, easy, and highly effective.
✔️ Designed for 4WDs, off-road vehicles, and trailers – A must-have for beach driving, muddy trails, and harsh environments.
✔️ Connects to any garden hose – No need for pressure washers or additional equipment.
How to use it
Prepare The Captain’s Musket: Fill the musket with the Chassis Flush Solution.
Attach the Chassis Grenade: Connect the Chassis Grenade to The Captain’s Musket using the quick-connect adapter.
Position the Chassis Grenade: Attach the magnetic base of the Chassis Grenade to your chassis rail.
Activate the Solution: Move the crank handle of The Captain’s Musket forward to release the cleaning solution.
Flush the Chassis: Allow the solution to flow for 2 minutes per flush point.
Repeat for Full Coverage: Use 4 or more flush points along the chassis rail for complete cleaning.
FAQ
Prepare The Captain’s Musket: Fill the musket with the Chassis Flush Solution.
Attach the Chassis Grenade: Connect the Chassis Grenade to The Captain’s Musket using the quick-connect adapter.
Position the Chassis Grenade: Attach the magnetic base of the Chassis Grenade to your chassis rail.
Activate the Solution: Move the crank handle of The Captain’s Musket forward to release the cleaning solution.
Flush the Chassis: Allow the solution to flow for 2 minutes per flush point.
Repeat for Full Coverage: Use 4 or more flush points along the chassis rail for complete cleaning.
Q: How does the Chassis Grenade ensure thorough cleaning?
A: The Chassis Grenade features a 360º spinning nozzle head that sprays cleaning solution in all directions, reaching every part of the chassis rail.
Q: How often should I flush my chassis?
A: It’s recommended to flush your chassis after every off-road trip or exposure to saltwater, mud, or sand.
Q: Is the Chassis Flush Solution safe for all chassis types?
A: Yes, the Chassis Flush Solution is formulated to be safe and effective for all 4WD chassis types, including coated and uncoated frames.
Q: Do I need any special tools to use this kit?
A: No special tools are needed. The kit includes everything you need, and it works with a standard garden hose.
Q: Can I use The Captain’s Musket for other cleaning tasks?
A: Yes! The Captain’s Musket is a versatile foam and flush gun that can also be used for washing your vehicle’s exterior or other cleaning tasks.
Q: How long does the 1L Chassis Flush Solution last?
A: Depending on the frequency of use, the 1L solution provides multiple flushes, making it a cost-effective choice for regular maintenance.
Shipping & Delivery
Location: Our warehouse is located at 2/14 Thomas Hanlon Court, Yatala 4207.
Free Shipping: All Australian orders over $170 qualify for free shipping*
Flat Rate Shipping: For orders under $170, we offer a flat rate shipping fee of $9 within Australia*
*International orders will be required pay for up-to-date shipping charges, calculated at checkout. Bulky items incur additional shipping charges, calculated at checkout.
Shipping Carriers: We use Australia Post and Aramex within Australia.
Dispatch Time: Orders are typically dispatched within 1-3 business days.
Delivery Times:
Australia:
- Metro Areas: Standard 2-5 business days & Express 1-3 business days
- Western Australia & Northern Territory: 3-7 business days & express 2-3 business days
International:
- Express: 5 business days
- Standard: 7-10 business days
Pickup: Local pickup is available from our warehouse at 2/14 Thomas Hanlon Court, Yatala 4207. Please select the "Pickup" option at checkout.
Possible Delays: Occasionally, shipping may take an extra day or two. If your order takes longer than expected, please feel free to reach out to us at admin@saltycaptain.co.


















REAL REVIEWS. REAL CUSTOMERS
The freshest reviews are in
CAPTAIN’S TIPS
The The Chassis Flush Kit works great with these products: