Frequently Asked Questions About International 9300/9370 Cab Lights

Will these cab lights fit my specific International 9300 or 9370 model year?

Most aftermarket cab lights for International 9300/9370 trucks are designed to fit models from 1987 through 2007. However, slight variations exist between early models (1987-1994) and later models (1995-2007) due to cab roof contour changes. Always verify the product description specifies compatibility with your exact year. Pre-2003 models typically have a flatter roof profile, while 2003-2007 models feature a slightly more curved roofline that may require different mounting brackets.

What tools and supplies do I need for installation, and how difficult is it?

Installation requires basic tools including a drill with metal bits (typically 3/4" and 1/8"), wire strippers, crimping tool, electrical tape, and silicone sealant. You'll need to drill five holes in your cab roof for standard 5-light kits. Most installations take 2-4 hours for someone with moderate mechanical skills. The trickiest part is ensuring proper hole placement and creating watertight seals. We recommend using a template (often included) and applying liberal amounts of quality silicone sealant around each light base and screw hole to prevent leaks.

What's the difference between LED and incandescent cab lights for my truck?

LED cab lights draw significantly less power (typically 0.2 amps vs 2 amps per light), last 50,000+ hours compared to 2,000 hours for incandescent, and generate minimal heat. LEDs are more expensive upfront but eliminate frequent bulb replacements. Incandescent lights provide a traditional warm amber glow that some drivers prefer, cost less initially, and are easier to find replacement bulbs for at truck stops. Both styles fit the same mounting locations and use identical wiring configurations.

Are the lenses and housings durable enough for long-haul use?

Quality cab lights feature polycarbonate lenses that resist cracking and yellowing better than cheaper acrylic alternatives. Look for lights with UV-resistant coatings and sealed housings rated IP67 or higher for water resistance. Chrome-plated ABS plastic housings are standard and hold up well, though some drivers prefer die-cast metal housings for maximum durability despite the higher cost. Avoid sets under $50 as they often use thin lenses that crack within months and housings that corrode quickly.

Do I need to connect these to a specific circuit, and will they work with my existing wiring?

Cab lights should connect to your clearance light circuit so they operate with your running lights. Most International 9300/9370 trucks have a dedicated cab light wire in the headliner (usually orange or brown) that connects to the clearance light circuit. If your truck lacks factory wiring, you'll need to tap into the clearance light circuit at the dash switch or fuse box. Each light typically requires a ground wire to the cab frame. Total current draw for 5 LED lights is about 1 amp, well within the capacity of the existing clearance light circuit.