YzusGomumu Coolant Reservoir Tank for Ford Focus & Transit Connect — 98AB8K218AK Direct-Fit Heat-Resistant Replacement

YzusGomumu coolant reservoir tank is a direct-fit replacement expansion tank engineered to restore proper coolant circulation and help protect your Focus or Transit Connect engine from overheating-related issues.

This replacement coolant reservoir is designed for Ford vehicles that use the OE numbers 98AB8K218AK / 98AB-8K218-AK / 1104120. Built from durable materials to withstand heat and pressure cycles, it replaces worn or cracked tanks to stop leaks, maintain coolant level, and keep the cooling system functioning as intended. Before purchasing, verify your vehicle model and OE number to ensure compatibility.

Which Ford models and years will this reservoir tank fit?

This YzusGomumu expansion tank fits several Ford Focus and Transit Connect models. It is intended for the 2000–2004 Focus (L4 2.0L petrol sedan and wagon) and multiple Transit Connect variants including 2010–2013 XL/XLT 2.0L petrol and the 2012 Transit Connect ELECTRIC. Always check your vehicle’s part number against the listed OE numbers before installation.

• Compatible: 2000–2004 Focus L4 2.0L petrol (sedan and wagon)
• Compatible: 2010–2013 Transit Connect XL/XLT L4 2.0L petrol
• Compatible: 2012 Ford Transit Connect ELECTRIC
• Reference OE: 98AB8K218AK / 98AB-8K218-AK / 1104120

How does this coolant reservoir improve cooling system reliability?

Replacing a damaged or aging expansion tank restores the cooling system’s ability to hold and regulate coolant under changing temperatures and pressure. The YzusGomumu tank reduces the risk of leaks and coolant loss, which can otherwise cause erratic temperature readings or engine performance issues.

• Stops coolant seepage from cracked or brittle plastic
• Maintains proper coolant level and overflow capacity
• Handles thermal expansion reliably to avoid pressure spikes

What materials and construction features make this tank durable?

The reservoir is molded from high-quality, heat-resistant plastic formulated to endure repeated thermal cycling and chemical exposure common in automotive cooling systems. Reinforced mounting points and a precise fit help prevent stress fractures and ensure a secure installation.

• Heat-resistant polymer construction for longevity
• Reinforced attachment bosses to reduce cracking
• Accurate inlet/outlet placements for a direct replacement fit

When should I replace my coolant reservoir tank?

Replace the expansion tank if you see visible cracks, persistent coolant loss, discolored fluid near the tank, or inconsistent temperature readings. Swapping the tank proactively at signs of wear prevents leaks and helps preserve cooling system components like hoses, radiator, and thermostat.

• Replace if coolant stains or drips under the vehicle
• Replace when plastic shows brittleness or hairline cracks
• Replace if coolant level drops without other obvious causes

Who is this for: Mechanics, DIY enthusiasts, and fleet operators who maintain 2000–2004 Ford Focus or 2010–2013 Transit Connect vehicles (including the 2012 electric model) will find this YzusGomumu coolant reservoir an economical, OE-referenced replacement. It’s a practical choice for anyone needing a direct-fit, durable expansion tank to stop leaks and restore proper cooling system function — confirm fitment by checking your vehicle model and OE number before ordering.