603-318 Coolant Reservoir Tank with Cap - Compatible with 2018-2024 Expedition, 2015-2024 F-150, 2015-2023 Lobo, 2018-2024 Lincoln Navigator, Replaces FL3Z8A080A DG9Z8100A
【Professional Installation Recommended】1.Allow engine to cool completely. 2.Drain existing coolant. 3.Disconnect hoses/clamps. 4.Remove mounting hardware. 5.Install new reservoir tank
【Engineering Excellence】 OE-grade polymer construction Pressure-tested for reliability Precision-molded for perfect fitment Meets all OEM performance standards
【Service & Guarantee】We are committed to delivering exceptional service and ensuring your complete satisfaction. Our dedicated support team is available to assist you with any inquiries or concerns, providing prompt and reliable solutions.
Description
Coolant Reservoir Function & Specifications Purpose:
The coolant reservoir (overflow tank) is a vital component in your vehicle's cooling system. This high-capacity plastic tank connects to the radiator to:
• Store excess coolant fluid.
• Accommodate thermal expansion when engine heats.
• Return coolant as temperatures drop.
• Maintain optimal engine operating temperature.
• Prevent coolant loss through overflow.
• OE Part Numbers: FL3Z-8A080-A | 603-318 | 603318 | FL3Z8A080A.
• Color: White.
• Includes: 21 PSI pressure-rated reservoir cap.
• Construction: Engineering-grade thermoplastic.
• System Type: Pressurized cooling system.
Vehicle Applications:
Expedition (2018-2024 3.5L V6).
F-150 (2015-2024 2.7L/3.5L V6; 5.0L/5.2L V8).
Lobo (2015-2023 3.5L V6, 5.0L V8).
Lincoln: Navigator (2018-2024 3.5L V6).
Product Highlights:
✓ Precision-molded for perfect fitment.
✓ Maintains factory cooling performance.
✓ Durable, heat-resistant construction.
Package Includes: 1 × Coolant Reservoir Tank.
1 × Pressure Cap (21 PSI).
Service & Guarantee: We are committed to delivering exceptional service and ensuring your complete satisfaction. Our dedicated support team is available to assist you with any inquiries or concerns, providing prompt and reliable solutions.