LSHDLAM Coolant Reservoir Tank for Ford F-150 & Expedition — 603-318 Replacement with Cap, Direct-Fit Polypropylene

Replacement coolant reservoir tank and cap engineered to fit 2015–2024 Ford F-150, 2018–2024 Ford Expedition, 2018–2024 Lincoln Navigator, and 2015–2023 Ford Lobo models, replacing FL3Z-8A080-A.

This LSHDLAM 603-318 coolant recovery tank is a direct-fit replacement designed to restore proper coolant containment and system pressure. Built from reinforced polypropylene, the unit is pressure-tested and supplied with a matched cap and visible level markings so you can quickly verify fluid level and system integrity. It’s intended for owners who need a reliable, drop-in repair that avoids lengthy downtime or costly dealer repairs.

Will this reservoir fit my Ford or Lincoln model?

Yes — the LSHDLAM 603-318 is manufactured as a like-for-like replacement for the listed vehicles and original part number FL3Z-8A080-A. It follows factory mounting points and hose routing so no trimming or modification is required. Verify vehicle year and model against the compatibility list before ordering.

• Compatible with Ford F-150 (2015–2024)
• Fits Ford Expedition (2018–2024) and Lincoln Navigator (2018–2024)
• Also replaces coolant tank for Ford Lobo (2015–2023)
• Replaces part numbers FL3Z-8A080-A and 603-318

How durable and heat-resistant is this replacement tank?

LSHDLAM builds this reservoir from high-strength polypropylene designed for demanding engine-bay conditions. The tank is validated through extensive pressure cycling and burst testing to help prevent leaks and deformation under thermal stress. This makes it suitable for daily driving and towing conditions common to trucks and large SUVs.

• Constructed from heat and corrosion-resistant PP material
• Tested for 200,000 pressure cycles at 35 PSI
• Rated with a 100 PSI burst pressure for safety margin
• Engineered to resist cracking, warping, and coolant exposure

Does the included cap and markings help maintain proper coolant pressure?

The supplied cap is precision-engineered to help sustain correct cooling system pressure and minimize coolant boiling risk. Clear molded level indicators allow fast visual checks without removing the cap, aiding routine maintenance. While the tank helps preserve system pressure, always follow vehicle manufacturer service guidance.

• Matched pressure-cap to maintain system equilibrium
• Visible level markers for quick fluid checks
• Designed to prevent premature coolant loss or overflow
• Works with existing hoses and fittings on compatible models

How simple is installation for a DIYer?

Installation is straightforward: this part is a direct bolt-on swap that uses the original mounting points and hose connections. Most mechanically inclined owners can replace the tank with basic hand tools in a short afternoon, saving on labor costs. Follow safe cooling-system procedures and let the engine cool before starting the swap.

• Direct replacement — no cutting or fabrication required
• Transfer hoses and secure with factory hardware
• Typical steps: drain/relieve system, unbolt old tank, install new tank, refill coolant
• Includes a pre-tested, pressure-checked unit ready to install

Who is this for: Owners of compatible Ford and Lincoln trucks or SUVs who need a dependable, OEM-style coolant recovery tank without dealer prices. It’s aimed at DIY mechanics, fleet managers, and anyone replacing a cracked, leaking, or aged reservoir who wants a tested, warranty-backed part. LSHDLAM supplies the tank with a five-year warranty and customer support for added confidence after purchase.