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Fuel and DEF system repairs for semi-trucks and commercial vehicles. Restore efficiency and performance with expert services.
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The fuel and DEF (Diesel Exhaust Fluid) systems in your semi-trucks and commercial vehicles play a critical role in maintaining efficiency, performance, and compliance with emissions standards. At 312 Truck Body Repair & Painting, we specialize in fuel and DEF system repairs to restore your vehicles’ performance and keep them running at peak efficiency. Whether you’re dealing with clogged filters, faulty sensors, or fuel delivery issues, we’ve got the expertise to get your fleet back on the road.
Your DEF system is essential for reducing harmful emissions and ensuring compliance with EPA standards. When your DEF system isn’t functioning properly, it can lead to reduced engine power, warning lights, or even vehicle shutdowns. Our DEF system repair services include:
With 312 Truck’s expert technicians, you can trust us to resolve DEF system issues quickly and effectively, keeping your fleet compliant and on the road.
A well-maintained diesel fuel system is key to maximizing engine performance and fuel efficiency. If your vehicles are experiencing fuel leaks, reduced power, or poor fuel economy, we can help. Our diesel fuel system services include:
With our fuel system maintenance and repair services, we’ll help your fleet perform better, save on fuel costs, and avoid costly breakdowns.
Not sure if your vehicle’s fuel or DEF system needs attention? Watch for these warning signs:
If you’re experiencing any of these issues, don’t wait—contact 312 Truck for expert diagnostics and repairs.
Investing in professional fuel and DEF system repairs offers several key benefits for your fleet:
At 312 Truck Body Repair & Painting, we understand the importance of keeping your fleet running efficiently. Here’s why fleet managers trust us for fuel and DEF system services:
Don’t let fuel or DEF system issues slow down your fleet. Trust 312 Truck Body Repair & Painting for reliable, efficient fuel and DEF system repairs that restore your vehicles’ performance and compliance.
Call us today to schedule your service or learn more about our fleet maintenance solutions. With 312 Truck, you’ll have a trusted partner to keep your vehicles running smoothly and efficiently.
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Professional repair services for agricultural and farm vehicles. Maximize efficiency and uptime for tractors, harvesters, and more.
Maintenance and repairs for airport vehicles. Keep ground support equipment operational and reliable.
Reliable repair services for buses and public transport. Ensure safety, performance, and comfort for passengers.
Repairs and refinishing for construction vehicles. Extend the life of excavators, graders, and more with expert care.
Efficient repair and maintenance solutions for delivery vehicles. Keep your fleet reliable for on-time deliveries and smooth operations.
Critical repairs and maintenance for emergency vehicles. Ensure readiness and reliability for ambulances, fire trucks, and more.
Repair and customization services for food trucks. Enhance functionality and design to keep your mobile kitchen running smoothly.
Professional repairs and maintenance for garbage and waste removal trucks. Keep your fleet reliable and efficient for heavy-duty waste management tasks.
Precision repair and maintenance for military vehicles. Ensure operational readiness and durability for critical missions.
Expert repairs and upkeep for moving trucks. Ensure safety and dependability for every load and route.
Expert repair services for municipal and service vehicles. Maintain fleet performance for essential public operations.
Specialized repairs for oil and gas vehicles. Maintain performance and safety in demanding industry conditions.
Comprehensive repair and maintenance for semi-trucks. Optimize performance and reliability for long hauls.
Tailored repair and maintenance for tow trucks. Optimize performance and durability for heavy-duty recovery vehicles.
Custom repairs and maintenance for utility vehicles. Keep your fleet efficient and ready for any job.
"Our business turns old shipping containers into mobile bars and quick-serve restaurants—we needed a paint partner who understands precision. 312 Truck’s marine-grade coatings match our brand colors with a flawless finish every time. Their attention to detail exceeds our clients' high expectations."
"Although we handle minor collision work in-house, when it comes to paint, 312 Truck is our go-to. Their pricing is among the most competitive in the Chicagoland area—often half of what others charge—while still delivering high-quality results. They’ve been a valuable extension of our team."
"Keeping our fleet in top shape is a priority, and we need a partner that operates with speed and efficiency. 312 Truck has been instrumental in helping maintain our delivery vehicles—everything from mechanical work to heavy collision and cosmetic repairs for hundreds of our units every year."
"312 Truck has been a reliable partner for our vehicle maintenance centers in the Midwest. Their team has helped with everything from Promaster vans to full-size trailers. One of the key reasons we continue to trust them is their excellent communication—keeping us informed throughout."
"For over 20 years, the Patel family has worked alongside Enterprise Rentals, managing thousands of repairs of all sizes. Their deep knowledge of the collision industry—especially fleet-specific repairs—makes them a trusted resource in keeping our vehicles road-ready."
"Our garbage trucks endure a lot of wear and tear—from accident damage to rust buildup. 312 Truck handles everything from structural repairs to repainting and de-branding before resale. Their expertise in durable, wear-resistant coatings keeps our fleet looking sharp against the elements."
"Every off-season, we turn to 312 to refresh our fleet. They sandblast and repaint dozens of frames, trailers, and specialty paving equipment so everything is ready to hit the road again. Their speed and consistency have never let us down, and the quality of work speaks for itself."
