Universal Radiator overflow tank

NZKW 700ml Universal Radiator Overflow Tank – Aluminium Coolant Catch Can

The NZKW Australia 700ml Universal Radiator Overflow Tank is designed to efficiently manage excess coolant expansion in performance and motorsport cooling systems. Built from durable aluminium, it provides a clean and reliable solution for capturing radiator overflow while maintaining consistent cooling system pressure. Its compact design makes it ideal for tight engine bays, and the included barb fittings allow for easy installation across a wide range of vehicles.

Available Sizes / Options

700ml capacity (universal fitment)

Specifications

Capacity: 700ml
Dimensions: 130mm x 115mm x 80mm
Material: Aluminium construction
Fittings: 2x 3/8” barb fittings included
Application: Radiator overflow / coolant expansion tank
Design: Compact universal catch tank
Mounting: External mount design (bracket required depending on setup)

Key Features

700ml capacity ideal for performance cooling systems
Durable aluminium construction for long-term reliability
Compact design suitable for tight engine bays
Includes dual 3/8” barb fittings for easy hose connection
Helps maintain proper radiator pressure and coolant recovery
Suitable for street, track, and motorsport applications
Clean and simple universal installation design

Compatible With / Applications

Radiator overflow and coolant recovery systems
Performance and modified cooling systems
Turbocharged and high-heat engine setups
Street, drift, drag, and circuit vehicles
Custom fabrication and engine bay upgrades
Universal automotive cooling system installations

Built for Performance & Reliability

The NZKW 700ml Universal Radiator Overflow Tank is engineered to provide consistent coolant management in demanding environments. Its lightweight aluminium construction ensures durability and heat resistance, while its compact design allows for flexible mounting in performance engine bays where space is limited.

Why Choose NZKW Australia?

🇦🇺 Australian owned and operated
🏁 Years of proven motorsport development and real-world track testing
✅ Trusted by performance workshops, race teams, and enthusiasts
Precision-engineered, premium-quality components built for reliability
🚚 Fast Australia-wide shipping
Designed for street, drift, drag, circuit, and off-road applications
Backed by expert product knowledge and local support

Orders are dispatched within 24 hours, unless stated otherwise at time of ordering.

Online Only: 24 to 48 hours delay, but in some cases up to 5 days, depending on the product and third-party shipping.

Pre-order: Available only for items in transit to our Australian warehouse. Estimated dates depend on third-party shipping.

Special Order: Products we manufacture or need to restock. Average time is 3-5 weeks, but may vary depending on third- party shipping