PYHAUTO Coolant Reservoir Tank for Ford Excursion & Super Duty (1999–2005) — Direct-Fit with Cap

PYHAUTO's coolant reservoir tank replaces the factory overflow bottle for 1999–2005 Ford Super Duty trucks and 2000–2005 Excursions, restoring proper coolant storage and cap sealing.

This replacement coolant reservoir (OEM-style 603-213 / 2C3Z-8A080-AA) is molded to match the original fit and mounting points for many Ford F250, F350, F450, F550 Super Duty models and the Excursion. It arrives complete with cap and is made from reinforced plastic intended to resist heat and vibration experienced in engine compartments. The design aims to simplify installation: you can swap the old, cracked, or discolored tank for this direct-fit unit without modifying hoses or brackets.

Will this reservoir fit my truck model?

Compatibility covers a broad range of late‑1990s and early‑2000s Ford heavy trucks and the Excursion. Confirm with the listed part numbers and your vehicle year to ensure an exact match before ordering.

• Direct fit for 2000–2005 Ford Excursion models.
• Fits 1999–2004 Ford F250; also compatible with F350, F450, F550 Super Duty variants noted in the listing.
• Cross-references: 603-213, 2C3Z-8A080-AA, 2C3Z8A080AA, F6DZ8100-A, F6DZ8100A.

How easy is it to install the PYHAUTO reservoir?

The tank is manufactured to the original equipment geometry so installation is straightforward for anyone familiar with basic under-hood maintenance. Typical replacement requires removing two or three fasteners and disconnecting the overflow hose and cap; no major tools or trimming are necessary.

• OEM-style mounting points match factory bracket locations.
• Includes cap and ready-to-connect hose port for fast swap‑out.
• Recommended: park on level ground and cool the engine before starting work.

What materials and durability can I expect?

The reservoir is produced from heat- and chemical-resistant plastic formulated for long service life in engine bay conditions. Its construction aims to resist cracking, warping, and discoloration that often afflict older stock bottles.

• High-strength molded plastic resists thermal cycling and engine vibration.
• Cap seals designed to maintain proper coolant overflow and return function.
• Backed by a 1-year warranty for peace of mind after installation.

How does this part help maintain cooling system performance?

A functioning overflow reservoir ensures the cooling system has an accessible place for expanding coolant and a sealed path for return when the engine cools. Replacing a leaking or brittle tank helps maintain coolant levels and prevents spills that can lead to premature component wear or overheating risks.

• Restores a sealed expansion path for coolant during hot cycles.
• Prevents coolant loss from cracks or failed cap seals.
• Reduces the need for frequent top‑ups and messy engine-bay leaks.

Who is this for: This PYHAUTO coolant reservoir tank is intended for owners and technicians of older Ford Super Duty trucks and the Excursion who need a reliable, factory-style replacement. It's especially useful if the original bottle is cracked, brittle, leaking, or no longer seals properly. Ideal for DIY mechanics who want a direct-fit replacement without fabrication, as well as service shops seeking an economical OEM-matching option with a 1-year warranty.