The 4 State Trucks Blog

Watermelon lights are commonly used for functional purposes like side marker lighting or cab roof lighting, and sometimes just for aesthetic appeal like grille accents or underglow effects. They are also wildly popular at truck shows and add a ton of style to most class 8 heavy-duty trucks while serving a useful, functional purpose.  However, plenty of semi-truck drivers opt for the classic-looking glass incandescent lights as well. These lights emanate a softer and less saturated hue. …

The parts of a class 8 truck that see the most frequent repair and replacement are areas where tons of heat, friction, and pressure occur. No-brainer, right?  Here are some of the most frequently replaced semi truck parts, along with some tips on how to find reliable aftermarket replacement semi truck parts for your truck’s model and year. Be sure to adhere to commercial truck maintenance best practices to avoid costly replacement.  Brake Components Without proper brake …

Choosing the right heavy-duty aftermarket exhaust kit is important. The quality of the kit’s materials will affect the performance, visual appeal, and even DOT compliance of your Peterbilt semi truck. Shop Peterbilt Exhaust By Model: Peterbilt 389 Exhaust Peterbilt 379 Exhaust Peterbilt 359 Exhaust Peterbilt 352 Exhaust Peterbilt 367 Exhaust Peterbilt 362 Exhaust Peterbilt 357 & 378 Exhaust Peterbilt 386 Exhaust Stacks Here are some of the top-selling exhaust-kit brands for Peterbilt …

When it comes to aftermarket interior dashboard customizations, your style choices and options are nearly limitless - especially for Peterbilt truck models. Key Takeaways Start with one clear theme, such as chrome, wood grain, carbon fiber, or retro styling. Use a complete dash kit to create a consistent look across panels, gauges, switches, and trim. Upgrade knobs, bezels, switch extensions, gauges, and steering wheel components for affordable visual impact. Add dash pockets, lighting, and au …

Frustrated with sluggish acceleration? Spending too much time at the pump when you need to make your delivery? If you’re an owner-operator who is looking to boost driving performance, a semi-truck performance turbocharger might be just what you need.  Aftermarket performance turbochargers can dramatically enhance your truck’s torque and horsepower, thereby affecting your bottom line.  Truck performance directly impacts profitability, whether it’s maximizing mileage, d …