Firewall Junction

Simplify your wiring and enhance safety with premium firewall junctions from Phantom Motorsports. Specifically designed for performance cars, race builds, and custom projects, these junctions provide a clean, secure passage for gauge lines, wiring harnesses, and sensor cables through your firewall. With robust construction and leak-resistant seals, our firewall junctions protect your connections from heat, moisture, and engine bay hazards—making installation neat, serviceable, and reliable.

At Phantom Motorsports, we offer firewall junctions compatible with mechanical and electric gauges, including pass-through bulkhead fittings, grommeted junctions, electrical quick connects, and multi-port adapters. Each solution keeps your vital signals safe, organized, and easy to access, saving you time and headaches during troubleshooting or future upgrades. Achieve a professional look and rock-solid performance with the right firewall junction for your setup.

FAQ

What is a firewall junction and why do I need one?
A firewall junction is a device or fitting that allows gauge lines, wiring, or sensor cables to pass securely and neatly through your vehicle’s firewall. It prevents chafing and leaks, and keeps your wiring organized and safely routed.

What types of firewall junctions do you offer?
We offer grommeted bulkhead fittings, threaded pass-throughs, sealed quick-connects, multi-line adapters, and electrical junctions for a variety of gauges and sensor cables.

Are these junctions suitable for both electrical and mechanical gauges?
Yes! We carry solutions for mechanical capillary tubes, pressure lines, electrical wires, and multi-cable bundles.

Will a firewall junction help with water or fire protection?
Properly installed firewall junctions help seal the firewall opening, minimizing the risk of water leaks or fire/smoke passing into the cabin from the engine bay.

Is installation difficult?
Most firewall junctions are designed for straightforward drilling and mounting using standard tools. Detailed instructions are included, and some solutions are even no-drill for custom projects.

Will these work with aftermarket and factory gauges?
Absolutely. We offer universal and brand-specific junctions to fit most gauge kits and wiring needs—just check sizing and fitment compatibility before ordering.

What if my firewall junction doesn’t fit or arrives damaged?
Customer satisfaction is our priority. If your product is damaged or doesn’t fit your application, contact us within 7 days for a replacement, exchange, or refund.