Bend 3DP
Diesel Heater Wall Port – Exterior Exhaust Pass-Through for Campers & Trailers
Diesel Heater Wall Port – Exterior Exhaust Pass-Through for Campers & Trailers
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🔥 Complete Diesel Heater Mounting Kit for Campers, Trailers & Workshops
Easily add a diesel heater to your truck bed camper, teardrop trailer, workshop, or any other flat-walled structure with this complete 3D-printed mounting solution.
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🧱 Built to Last
Each kit is 3D printed using PET-CF, a carbon-fiber-reinforced material known for its exceptional strength and heat resistance.
• Heat rating: Withstands up to 205 °C (400 °F) continuous heat.
• Real-world performance: Diesel heaters typically output around 95 °C, well within this material’s range.
• Weatherproof: Tested in direct sunlight and extreme cold — it stays strong, stable, and looking great through years of use.
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⚡ Fast, Secure, and Smart Design
• Twist-Lock Hose Adapter: Quickly attach your heater hose without tools or hose clamps.
• Magnetic Lid: Keeps your exterior panel securely closed during travel.
• 12V Quick-Connect Port: Easily connect your heater power supply from inside your camper or build.
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📦 What’s Included
• Exterior mounting panel with magnetic-latching lid
• Interior panel with adjustable vent
• Quick-attach hose coupler (available in 3” or 3.5” — custom sizes available upon request)
• Mounting hardware
• 12GA 12V wiring pigtail (male & female ends)
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Frequently Asked Questions
What is a Diesel Heater Port?
A diesel heater port is a wall-mounted pass-through that allows you to bring hot air from an external or portable diesel heater into your truck camper, van, trailer, or workshop. It provides a clean, safe, weather-sealed opening for a 3” heater hose.
What size hose does this port fit?
This port is designed to work with a 3.5" / 90mm diesel heater hose. We offer adapters to fit 3" / 75mm and proplex / 60mm sized hoses.
Is this product heat resistant?
Yes. It is printed from PET-CF (carbon-fiber reinforced PET), which can withstand up to 205°C. Diesel heaters typically output around 90–95°C, well within the safe range.
Is this Diesel Heater Port weatherproof?
Yes. We include a "rubber style" gasket with every kit. The hinged and magetic latching lid helps protects against rain, snow, dust, and road spray when the port is not in use.
Can I install this port on any flat surface?
Yes — the port mounts cleanly to truck campers, vans, trailers, teardrops, sheds, and any flat wall surface including aluminum, fiberglass, wood, and composites.
Is installation difficult?
Installation takes 20–45 minutes. Cut the circular opening with a 3" Hole Saw, drill the mounting holes with a 1/4" drill bit insert the port, and secure it with the provided hardware. Only basic tools are required.
Does the kit include the hose adapter?
Yes. The kit includes a 3” or a 3.5" twist-lock hose adapter, main port assembly, exterior mounting plate, threaded lid, and stainless hardware.
Will this work with portable diesel heaters?
Absolutely — this port is made for users who run their diesel heater outside the camper and pipe hot air inside safely and cleanly.
Is this compatible with all diesel heater brands?
Yes — works with Vevor, Planar, Hcalory and other Chinese diesel heaters (2kW, 5kW, 8kW), and any system with a 3” or 3.5" hot air outlet.
Can I close the port when not in use?
Yes — the magnetic latching lid keep out weather, bugs, and debris when the heater is not connected.