Professional-grade, non-marking pressure washer hose for detailing, cleaning, and high-pressure use.

The MTM Hydro KobraJet 4,000 PSI Non-Marking Hose is a high-performance, heavy-duty hose designed to handle demanding pressure washing jobs without leaving marks or scuffs behind. Available in 25FT and 50FT lengths, and with the option to include pre-installed quick disconnects, the KobraJet is ideal for detailers, mobile washers, or homeowners looking for top-tier performance.

Built with Bite-the-Wire crimp technology, a thicker inner wall, and corrosion-resistant fittings, this hose is engineered to prevent blowouts, resist abrasion, and hold up under extreme temperatures and pressure spikes. Whether you're upgrading your setup or replacing a worn-out hose, KobraJet delivers reliability you can count on.

Key Features & Benefits

🔹 Choose Your Length – 25FT or 50FT – Two convenient sizes to fit your setup, whether you're working in tight spaces or need extended reach.
🔹 Optional Quick Disconnects – Available with pre-installed brass quick connects for fast, tool-free attachment and removal.
🔹 True Non-Marking Grey Jacket – Protects all surfaces from hose scuffs, perfect for use around painted finishes, floors, and more.
🔹 Built for 4,000 PSI Systems – Easily handles high-pressure applications, from pro detailing to heavy-duty cleaning.
🔹 Salt Spray-Tested Fittings – 125-hour corrosion resistance exceeds industry standards for longer-lasting performance.
🔹 Temperature Resistant – Rated for spikes up to 310°F (continuous use up to 275°F), ideal for hot water systems.

How to Use

Step 1: Choose the right length and configuration (quick connects or standard threaded ends).
Step 2: Attach the 3/8" rigid end to your pressure washer or hose reel.
Step 3: Connect the swivel end to your pressure washer spray gun or wand.
Step 4: Power up and start cleaning with smooth, uninterrupted water flow.

Pro Tip: If using quick connects, always ensure they’re securely locked in place before powering on your system to prevent leaks or disconnections.

Why We Love It (From the CSW Team)

“At Car Supplies Warehouse, we love the KobraJet hose because it checks every box: durable, non-marking, pressure-rated, and available in the perfect lengths for mobile or in-shop use. The option to add quick disconnects makes setup even faster—especially for pros switching tools on the fly.”

Compatible With / Works Best With

✅ MTM Hydro SGS28 Spray Gun – Ideal pairing for swivel performance and pro feel.
✅ MTM PF22.2 Foam Cannon – Attach using quick connects for efficient soap application.

Frequently Asked Questions (FAQs)

❓ What fittings come with the hose?
💡 You can choose between standard 3/8" NPT ends or upgrade to pre-installed brass quick disconnects for tool-free attachment.

❓ Can I use this hose with hot water?
💡 Yes! The hose handles temps up to 310°F spike and 275°F continuous use, making it perfect for hot water systems.

❓ What’s the benefit of the swivel end?
💡 The 3/8" swivel end prevents hose binding and twisting at the tool connection, improving flexibility and control.

Technical Specifications

📏 Length Options: 25FT or 50FT
💪 Pressure Rating: Up to 4,000 PSI
🔥 Temperature Rating: 310°F max spike / 275°F continuous
🔧 Fittings: 3/8" Male NPT – Swivel & Rigid (With or Without Quick Disconnects)
🎨 Jacket Color: Grey (True Non-Marking)
🛠 Construction: Thicker inner wall for added durability and kink resistance
🏭 Assembled In: USA
🔒 Warranty: Limited manufacturer warranty