Dorman Fuel Tank replacement for Ford F-Series 576-121 — direct-fit 1990–1998 OEM-style mounting

This Dorman fuel tank is a direct-fit replacement designed to restore fuel storage and serviceability on compatible Ford vehicles. Built to match original mounting points and inlet/outlet locations, it replaces worn or damaged tanks without extensive modification. Before ordering, verify your exact year, model, and trim in the vehicle compatibility tool to ensure proper fit.

What vehicles does the Dorman 576-121 fit?

The tank is manufactured to match specific Ford F-series trucks and commercial chassis across 1990–1998 model years. Compatibility varies by model and year, so checking the garage tool is recommended to confirm exact matches for your trim and fuel system configuration.

• Ford F-150: 1990–1996
• Ford F-250: 1990–1996, 1998; F-250 HD: 1997
• Ford F-350: 1990–1998
• Ford commercial/chassis: F-53 motorhome and F-59 stripped chassis, 1990–1996

How does the tank match the original equipment?

Dorman engineers the 576-121 to mirror the original part’s critical dimensions and connection points. That minimizes installation work and preserves the routing of fuel lines, straps, and sending units. Materials and construction follow OEM-style durability standards to ensure long-term usability.

• Factory-aligned mounting holes and filler neck placement
• OEM-equivalent material for corrosion resistance
• Designed to accept original sending units and hardware

What should I know about installation and compatibility checks?

Installation is straightforward for anyone familiar with fuel-supply system work, but fuel system safety precautions are necessary. Use the online garage tool to confirm trim-specific compatibility before purchasing and gather original hardware if required. If in doubt, consult a professional installer to ensure safe removal and refitment.

• Confirm vehicle year, model, and trim in the garage tool
• Drain fuel and relieve system pressure before removal
• Inspect straps, lines, and sending unit seals during installation

What quality assurances and product support are included?

The 576-121 carries Dorman’s product development and quality validation, backed by a U.S.-based team of specialists. Each tank undergoes inspection to match fit and finish expectations, helping reduce fitment surprises and premature failures. Support resources are available for fitment questions and replacement guidance.

• Validated for fit and service life by Dorman engineers
• Backed by product specialists and customer support
• Supplies a dependable, like-for-like replacement for worn tanks

Who is this for: Owners and technicians restoring or repairing fuel systems on late-1990s Ford trucks and commercial chassis who need a reliable, direct-fit replacement tank. It’s ideal for vehicles with damaged, rusted, or leaking tanks where preserving factory routing and mounting reduces installation time and cost. Always confirm fitment for your specific model and year before ordering.