Buy Peterbilt Fuel Tank Straps, J-Brackets & Mounting Hardware
Explore a wide array of aftermarket brackets and straps to help stabilize your diesel or hydraulic aluminum tank while on the road. Whether youâre upgrading fuel tank sizes, or swapping out a broken strap/hanger bracket, you can find straps to cover tanks ranging from 23", 26", 19", 24" in diameter, with widths between 2" and 8". Filter through essential hardware and mounting accessories: - Structural mounting hardware: firmly hold the tank firmly in place while driving. Rubber liners / isolators: prevent chafing between the strap and tank. Auxiliary or hydraulic tank hardware: support the tankâs stability with J-bracket and auxiliary mount kits. Fuel tank step assemblies tied to tank mounts: add ergonomic access points to your tank. Cosmetic fuel tank covers and dummy straps: customize the look with LED-integrated saddle/strap/bracket covers or non-functional, cosmetic dummy straps.Shop Peterbilt 389 Tank Brackets, Straps & Covers for Every Occasion
For full Peterbilt 389 tank replacements or repairs, add BESTfit or Merritt strap kits and mounting brackets. Unlike many tank strap products, kits come with a protective liner. Some kits come with T-bolts, while others are bought separately. To add stability, install a new upper bracket or a pair of simple mount pieces. For a style upgrade, try CMS or Twelve Gauge covers or dummy straps. Explore related Peterbilt 389 fuel tank accessories at 4 State Trucks.Frequently Asked Questions About Peterbilt 389 Fuel Tank Brackets & Straps
Will these fuel tank brackets and straps fit my specific year Peterbilt 389?
Most fuel tank brackets and straps for the Peterbilt 389 are designed to fit model years 2008 through current production. However, there can be variations based on your specific tank size (100-150 gallon), tank material (aluminum or steel), and whether you have a single or dual tank setup. We recommend checking the product specifications for each item or contacting our support team with your OEM to ensure proper fitment.
What's the difference between aluminum and steel fuel tank straps, and which should I choose?
Aluminum straps are lighter weight, resist corrosion better, and typically have a polished or brushed finish that maintains its appearance longer. Steel straps are generally more affordable and offer excellent strength, but require regular maintenance to prevent rust. If you operate in areas with heavy road salt or coastal environments, aluminum is the better long-term investment. For standard highway use, quality steel straps with proper coating work well.
Can I install fuel tank brackets and straps myself, or do I need professional help?
Installation is typically a straightforward process that many drivers handle themselves with basic tools including wrenches, sockets, and a jack to support the tank. The job usually takes 2-3 hours per tank. Critical safety tip: always drain the fuel tank completely before removal and have a helper to support the tank weight. If you're uncomfortable working with fuel systems or lack proper lifting equipment, professional installation is recommended for safety.
How do I know when my fuel tank straps need replacement?
Inspect your straps regularly for signs of wear including visible rust, cracks, stretched or thinned metal, loose mounting bolts, or any deformation. If you notice fuel tank movement, hear rattling sounds while driving, or see wear marks on the tank itself, replacement is needed immediately. As a general rule, straps exposed to harsh conditions should be inspected every 6 months and typically last 5-7 years with proper maintenance.
Are aftermarket fuel tank brackets as reliable as OEM Peterbilt parts?
Quality aftermarket brackets and straps from reputable manufacturers often match or exceed OEM specifications while costing 30-50% less. Look for parts made from grade 304 stainless steel or 6061-T6 aluminum with proper weight ratings for your tank size. Many aftermarket options also offer improved features like rubber tank cushioning or upgraded corrosion-resistant coatings that aren't available on factory parts. Always verify the weight rating matches your tank capacity when fully loaded.
