Frequently Asked Questions About Peterbilt 359 Fuel Tank Brackets & Straps

What years of Peterbilt 359 do these fuel tank brackets and straps fit?

Our fuel tank brackets and straps are designed to fit Peterbilt 359 models from 1967 through 1987. However, there were minor variations in tank sizes and mounting configurations throughout these years. We recommend checking your existing bracket measurements or contacting us with your VIN to ensure proper fitment, especially for trucks with aftermarket modifications or non-standard tank configurations.

Are these brackets made from stainless steel or regular steel, and will they rust?

We carry both stainless steel and powder-coated steel options. Stainless steel brackets offer superior corrosion resistance and are ideal for trucks operating in harsh weather conditions or coastal areas. Our powder-coated steel brackets feature a durable finish that resists rust when properly maintained. For maximum longevity, we recommend stainless steel, though the powder-coated options provide excellent value for trucks in moderate climates.

Can I install these brackets myself, or do I need professional help?

Installation typically requires basic mechanical skills and standard tools including wrenches, sockets, and a jack to support the fuel tank. Most experienced truck owners can complete the installation in 2-3 hours per side. The process involves supporting the tank, removing old brackets, and bolting in the new ones. We strongly recommend having a helper due to the weight of full fuel tanks. If you're uncomfortable working with fuel systems or heavy components, professional installation is advised.

What's the difference between standard and heavy-duty fuel tank straps?

Standard straps are suitable for typical highway use and tanks up to 100 gallons. Heavy-duty straps feature thicker gauge steel and reinforced mounting points, designed for larger tanks (120+ gallons) or trucks that frequently operate off-road or carry maximum fuel loads. Heavy-duty straps also typically include additional anti-vibration padding to reduce wear on both the strap and tank.

Do I need to replace both brackets and straps at the same time?

While not always necessary, we recommend replacing both components together for optimal performance and safety. Worn brackets can cause premature strap failure, and old straps can put excessive stress on new brackets. Replacing both ensures even wear and proper tank support. If your existing components show signs of corrosion, cracking, or deformation, replace the complete assembly to avoid potential fuel tank damage or safety issues.