Diesel line welding and repair

From fuel terminals in Phoenix to industrial sites in the West Valley, diesel fuel systems rely on piping that’s built to last. When it comes to diesel line welding and repair, Earthquake Welding is equipped to deliver certified welds that keep product moving safely and reliably.

We’re ready to weld and repair carbon steel, stainless, and alloy diesel lines—whether for loading racks, pump pads, manifold piping, or facility fuel systems. Our welds are performed to API 1104, ASME B31.3, and terminal standards, ensuring every repair or new line install is pressure-rated, leak-free, and inspection-ready.

Whether it’s a section replacement on a worn diesel line or a new install feeding a pump vault, we’re prepared to get the job done right.