Calling all Peterbilt owners! If you need to replace your train horn switch plate, this Grand General unit is exactly what you're looking for. Made from quality stainless steel that resists corrosion and looks sharp on your dashboard. Specifically designed to fit Peterbilt 370 and 359 series trucks - no modifications needed, it bolts right into the existing mounting points. Grand General is known for making legit truck accessories that meet DOT standards, so you know this isn't some cheap aftermarket part that'll fail when you need it. The installation is straightforward if you're handy with basic tools - just disconnect the old switch plate and wire this one up. Having a properly functioning train horn switch is crucial for safety on the road when you need to get someone's attention fast. This replacement feels solid and professional, not flimsy like some alternatives. Perfect for truck owners who want to maintain their Peterbilt with quality components that'll last. Keep your rig sounding authoritative with a switch plate that works when you need it most. Definitely a must-have if your original switch is worn out or damaged.