SKP SK603070 Engine Coolant Reservoir - Front

Engine Coolant Reservoir for Explorer and Mountaineer

SKP SK603070 is an engine coolant reservoir for select 2002-2005 Ford Explorer and 2002-2005 Mercury Mountaineer front applications. It is built to store and manage coolant in the pressurized cooling system, helping maintain proper fluid level visibility and system operation.

• Fits 2002-2005 Ford Explorer, front
• Fits 2002-2005 Mercury Mountaineer, front
• Translucent reservoir body for easier coolant level checks
• Heat-resistant construction for engine bay use
• OE-style fitment for straightforward replacement
• Cross-references Dorman OE Solutions 603-070 for the same application

Detailed Product Overview

SKP SK603070 is engineered as a direct replacement engine coolant reservoir for Ford Explorer and Mercury Mountaineer models in the listed front-position applications. The reservoir stores excess coolant as the engine heats and cools, helping the cooling system maintain pressure and stable fluid volume. Clear level markings and a translucent design make routine inspection easier, while the OE-spec fit supports a clean installation and proper alignment with the vehicle’s cooling system components.

This part number, SK603070, is a practical choice when replacing a cracked, leaking, or discolored coolant tank on a 2002-2005 Ford Explorer or 2002-2005 Mercury Mountaineer. It is also referenced by Dorman OE Solutions 603-070 for the same application.

Common Problems It Can Address

• Coolant loss from a cracked or leaking reservoir
• Difficulty checking coolant level through an opaque or damaged tank
• Pressure loss in the cooling system caused by reservoir failure
• Overflow or recovery issues related to a worn coolant container
• Replacement needs after heat-related plastic deterioration

Installation Notes and Tips

Before installation, verify the vehicle year, make, model, and front-position application against the listing. Transfer any required hoses, sensors, or caps from the original reservoir only if they are serviceable and specified for reuse on the vehicle. After installation, refill the cooling system with the correct coolant type and inspect for leaks, proper routing, and stable fluid level during warm-up and cooldown cycles.

Quality Assurance

SKP manufactures this coolant reservoir from durable, heat-resistant materials and builds it to meet or exceed OE specifications for fit and function. That approach supports reliable replacement performance on the listed Explorer and Mountaineer applications.