Koyo RT001 All-Aluminum Expansion Tank for 2006-2015 Mazda Miata NC

Koyo 06-15 Mazda Miata NC All-Aluminum Reservoir Expansion Tank

Upgrade the cooling system of your 2006-2015 Mazda Miata NC with the Koyo RT001 all-aluminum reservoir expansion tank. Designed as a direct-fit replacement for the original expansion tank, this automotive cooling component provides durable construction and reliable coolant containment for street, performance, and track-oriented applications. Its aluminum design offers improved resistance to heat and long-term wear compared with many factory plastic reservoirs.

The Koyo RT001 is engineered specifically for the NC-generation Mazda Miata, helping maintain proper coolant expansion and recovery as operating temperatures change. The tank is built for dependable service in demanding driving conditions while preserving compatibility with the vehicle’s existing cooling system layout. Its direct-fit design supports a straightforward installation without unnecessary modifications, making it a practical choice for restoring or upgrading a worn, cracked, or aging reservoir.

Constructed for automotive use, the Koyo RT001 combines fitment-specific engineering with the durability expected from Koyo cooling system components. Confirm vehicle application before ordering to ensure compatibility with your Miata’s model year and cooling system configuration. This expansion tank is intended for the 2006-2015 Mazda Miata NC and is not presented as a universal replacement.

What's Included

• One Koyo RT001 all-aluminum reservoir expansion tank

Fitment

Designed for the 2006-2015 Mazda Miata NC. Verify the vehicle year, generation, and cooling system configuration before installation.

Features:

• All-aluminum construction: Provides durable coolant reservoir performance and improved resistance to heat-related wear.
• Direct-fit vehicle application: Engineered for the 2006-2015 Mazda Miata NC to support straightforward replacement.
• Reliable coolant expansion control: Helps accommodate coolant volume changes during normal operating temperature fluctuations.
• Performance-oriented durability: Suitable for street, spirited driving, and track-focused cooling system upgrades.

Air Freight Prohibited: false
Not Carb Approved: false
Carb Acknowledgement Required: false
Ltl Freight Required: false
Prop 65: N
Part Type: automotive
Epa: N/A
Regular Stock: t
Units Per Sku: 1