Frequently Asked Questions About Peterbilt 352 Diesel Fuel Tanks

What size fuel tanks fit the Peterbilt 352, and how do I know which capacity I need?

The Peterbilt 352 typically accommodates fuel tanks ranging from 50 to 150 gallons, with 100-gallon and 120-gallon tanks being the most common choices. The right capacity depends on your typical route distances and weight considerations. For regional hauling, 100-gallon tanks often provide the best balance of range and weight. Long-haul drivers generally prefer 120-150 gallon tanks. Remember to check your frame rail spacing before ordering, as the 352 came with different configurations that affect tank mounting.

Are these fuel tanks compatible with all Peterbilt 352 model years?

While most aftermarket fuel tanks are designed to fit Peterbilt 352 models from 1969-1993, there are important variations to consider. Early models (1969-1975) may have different strap spacing and mounting brackets compared to later years. Models from 1976-1987 typically use a 26-inch strap spacing, while 1988-1993 models often require 24-inch spacing. Always verify your specific truck's measurements and mounting style before purchasing, as some 352s were built with custom configurations.

What's the difference between aluminum and steel fuel tanks, and which should I choose?

Aluminum tanks are 65% lighter than steel equivalents and won't rust, making them ideal for weight-conscious operations and coastal regions. They typically cost 20-30% more upfront but often last longer. Steel tanks are more affordable and highly durable against impacts, but require regular inspection for rust, especially around the straps and bottom. Most operators choose aluminum for weight savings unless they're in heavy-duty applications where impact resistance is critical.

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

While experienced mechanics can install fuel tanks themselves, the job requires specific safety precautions and tools. You'll need proper jack stands, fuel transfer equipment, and new mounting hardware. The process typically takes 3-4 hours per tank and involves draining existing fuel, disconnecting fuel lines and sending units, removing old tanks, and ensuring proper grounding. Many customers find it worthwhile to have a shop handle the installation to ensure DOT compliance and proper sealing, which typically costs $200-400 per tank.

Do these replacement tanks come with steps, straps, and sending units?

Most replacement fuel tanks are sold as bare units without accessories. You'll typically need to purchase mounting straps, sending units, and steps separately, or transfer them from your old tanks if they're in good condition. Some retailers offer complete kits that include polished aluminum straps and brackets for an additional $150-300. Sending units usually cost $75-150 extra. Always verify what's included before ordering to avoid installation delays.