Keep your Peterbilt 330, 335, or 337 fueled and ready with our durable aluminum diesel fuel tanks. What's Available? Tank sizes from 50 to 150 gallons. Rear fill, center fill, and split tank options for versatile use. Aircraft-style filler necks and mounting kits for easy installation. Backed by trusted brands like BESTfit and CSM, these tanks deliver reliable, long-lasting performance for all your fuel storage needs.