The 4 State Trucks Blog

Diesel fuel often contains air, vapor, water, and fine debris - harmful contaminants that hurt fuel pressure stability, injector life, and injection pump health. FASS (fuel air separation system) helps clean and condition the fuel before it reaches critical fuel system components.  It's an excellent performance upgrade for stock trucks, tow rigs, fleets, agricultural rigs, and performance Class 8 big rigs. It works to protect the fuel system and extend the engine's lifecycle.  How the …

Need to lower your exhaust and engine noise, but aren’t sure what muffler to get? We offer Pittsburgh Power, Donaldson, Automann, and BESTfit mufflers. In this quick guide, we’ll break down the basics of Class 8 semi-truck mufflers, list the top features of our aftermarket mufflers, and resonators.  Key Takeaways Mufflers control noise and exhaust flow - their performance is determined by the design. Fitment requires knowing inlet/outlet diameter, overall length, stack configu …

If you're looking for a way to dramatically enhance the look and presence of your semi truck at night, then you can't go wrong with installing some undercarriage chicken lights.  Need inspiration? Here are some of the best-looking nighttime rigs that utilize under glow lighting to their advantage! These under glow lighting styles ADD to the overall theme of each truck, accentuating or complementing the existing primary lighting style pattern.  Why Underglow Lighting is So …

Tony Huttenstine is a seasoned owner-operator. Over the years, he has poured enormous time, money, and energy into customizing a retro-style Kenworth W900L truck from top to bottom, aiming to complete a classic 80s or 90s Kenworth Aerocab look.  Dive Into the Parts List Discover the aftermarket parts and accessories used in this custom build! In this month's Haul of Fame, we take a behind-the-scenes look at the heavy-duty truck parts and accessories that make this custom Kenworth W9 …

Some of the best gifts for truck drivers are accessories that help make their job easier. Truckers spend hours on end sitting in a single spot while dealing with the stresses of modern day driving. The best stocking stuffers and Christmas gifts are items that make life just a little easier on the road. Here's a roundup of some of the best trucker gift ideas that focus on utility and comfort.  #1. Rear-View Backup Cameras If there’s one thing a trucker can always use, it’s mo …