Shop for aftermarket Diesel Fuel Tanks for your Peterbilt 379. In this product lineup, you can experience the benefits of an aftermarket stainless steel deisel fuel tank that matches the traditional OEM quality while being incredibly cost-effective. Fuel up your big rig with exceptional quality and performance. From center-fill to rear-fill options, this comprehensive product line offers a wide selection of heavy-duty diesel fuel tanks designed for the popular Peterbilt 379 model. With capacities ranging from 100 to 150 gallons, these tanks provide the fuel storage you need for long hauls. Consider fastening your fuel tank to withstand road vibrations with aftermarket fuel tank brackets and straps. Get a little more tamper-prevention with secure fuel tank caps. And get an accurate assessment of how much fuel your rig has before you need to stop with a high-quality fuel tank sender.

FAQs - Peterbilt 379 Diesel Fuel Tanks

1. What types of fuel tanks are available for the Peterbilt 379? We carry a wide range of tanks, including cylindrical, D-shaped, and rectangular tanks in polished aluminum or raw finishes. Capacities typically range from 60 to 150+ gallons. 2. Are your fuel tanks direct-fit replacements? Yes, most of our aftermarket fuel tanks are designed to match OEM specs for the Peterbilt 379. Always double-check measurements, mounting style, and filler neck placement before ordering. 3. What materials are used in these tanks? Most Peterbilt 379 fuel tanks are made from aluminum, offering a balance of strength, weight savings, and corrosion resistance. 4. Do you offer mounting kits or straps? Yes, we offer fuel tank mounting straps, brackets, and complete install kits to ensure your tank is safely secured and road-ready. 5. How do I know what size tank I need? Check your truck's existing tank dimensions and capacity label (usually on the tank itself). If you're upgrading, measure available frame space and consider your fuel range needs. 6. Can I replace just one tank, or do I need to do both? You can replace just one, but many drivers choose to replace both for symmetry, weight balance, and a uniform look especially if upgrading to polished tanks. 7. Are these tanks DOT-approved? Yes, all tanks we sell meet DOT safety standards for commercial use and are built for heavy-duty applications. 8. Do the tanks come with sending units or fuel caps? Most tanks are sold as shells only. Sending units, caps, and hardware are typically sold separately unless otherwise specified. 9. Will these tanks work with aftermarket steps or fairings? Yes, but you ll want to verify clearances and compatibility if your truck has aftermarket steps, fairings, or custom side skirts.