No matter what you drive—Ford, GMC, Chevrolet, Dodge, Isuzu—you need engine parts that work as hard as you do. At 4 State Trucks, we’ve got the replacement components that help you avoid downtime, fix problems fast, and keep hauling without missing a beat. Losing power? Exhaust manifold kits restore proper engine breathing and protect performance. Cooling issues? Strong heater hose connectors and coolant reservoirs help prevent overheating and pressure loss. Fuel delivery problems? Reliable fuel pump relay modules keep the fuel flowing and your engine running smooth. Rough performance?Variable timing valves and intake manifolds keep your power, efficiency, and emissions right where they need to be. Small fixes today mean avoiding big failures tomorrow. That’s how you protect your truck, your schedule, and your bottom line.

Why Truck Drivers Trust Our Heavy-Duty Engine Parts

- Built tough for real-world trucking demands. - Helps maximize engine life, performance, and fuel efficiency. - Cuts downtime, reduces expensive repairs, and keeps you moving. - Fast shipping and expert support from people who know trucks.

Shop Commercial Engine Parts for All Truck Makes at 4 State Trucks

Don’t let worn-out parts wreck your week. Get the engine parts you need for your truck at 4 State Trucks—and stay ready for every mile ahead.