YzusGomumu Coolant Reservoir Tank for 07-15 Nissan Altima & Maxima – Complete Kit with Cap & Hose, Direct-Fit

YzusGomumu replacement coolant reservoir tank with cap and hose restores proper coolant storage and overflow control for compatible 2007–2015 Nissan models.

This direct-fit coolant expansion tank is designed to replace cracked, leaking, or aged reservoirs on select Nissan Altima and Maxima engines. Built from corrosion-resistant materials, the assembly includes the tank, a pressure-cap, and a connecting hose so you can complete the repair in a single service session. Confirm the OE numbers and vehicle compatibility below to ensure the right fit for your car.

Will this reservoir fit my Nissan Altima or Maxima?

This YzusGomumu tank matches several OEM part numbers and fits many model-year variations without modification. Check your vehicle’s year and engine type against the compatibility list before ordering. Typical compatible vehicles include Altima L4 2.5L (2007–2012), Altima V6 3.5L (2007–2012), Altima Coupe (2013), and Maxima V6 3.5L (2009–2015).

• Compatible model years and engine sizes listed in product notes
• OE numbers: 21710JA000, 21710ZN50A, 603-247, 603247
• Confirm part numbers on your existing tank or service manual

How durable and reliable is this replacement tank?

The tank is molded from durable, engine-bay-rated plastic designed to resist heat and chemical exposure. Its corrosion-resistant construction reduces the chance of cracking and coolant loss compared with aged OEM units. The kit’s cap and hose are sized to match factory connections, minimizing failure points.

• High-strength plastic resists heat and coolant chemicals
• Corrosion-resistant finish for longer service life
• Includes cap and hose to replace worn components at once

What’s included and how easy is installation?

The package ships with one coolant expansion tank, one pressure cap, and one hose so you have everything needed to replace the original assembly. Installation is typically straightforward for a DIYer with basic hand tools and a simple bleed procedure; professional installation is optional. Inspect the photos and verify compatibility before beginning the swap.

• Complete kit: tank, cap, and hose included
• Designed for direct-fit installation on listed models
• Follow standard coolant-drain and refill safety steps

How do I know if my coolant reservoir needs replacing?

Common signs include visible cracks, coolant smell, low coolant warning lights, or the reservoir failing to hold pressure. If you notice coolant puddles, repeated low-fluid alerts, or discoloration and soft spots on the tank, replacement is advisable. Replacing the reservoir restores correct overflow control and helps maintain normal engine operating temperature behavior.

• Look for coolant leaks under the vehicle or around the tank
• Check for cracks, bulging, or soft plastic on the reservoir
• Monitor coolant level drops and dashboard warnings

Who this is for: This YzusGomumu coolant expansion tank is aimed at DIY mechanics, independent repair shops, and Nissan owners who need a reliable, cost-effective replacement for a failing reservoir on compatible Altima and Maxima models. If your vehicle matches the listed years and OE numbers and you want a full kit (tank, cap, hose) that installs without modification, this product provides a direct, durable replacement option.