The Dorman 24" Strap On Air Tank Reservoir is the perfect solution for replacing your old, worn-out air tank. This air reservoir features the same port configuration and physical dimensions as the original tank, making it a perfect fit for your Peterbilt. It has been salt spray chamber tested internally and externally to meet or exceed industry standard for corrosion resistance. With original equipment quality at a lower cost than the dealer, you can rest assured that you are getting a great value. FleetPride is your First Click in Heavy Duty®.