Clean up your engine bay and add a more durable coolant recovery setup with this universal 1L aluminum overflow tank. Designed as a compact radiator overflow / recovery reservoir, it’s a solid upgrade from brittle plastic tanks—perfect for custom builds, swaps, track cars, or anyone wanting a cleaner, more reliable cooling system layout.

Key Features:

• Universal 1L coolant overflow / recovery reservoir for custom applications
• Aluminum construction helps resist cracking and heat-cycle fatigue
• TIG-welded seams for a strong, leak-resistant build
• O-ring sealed cap helps prevent seepage
• Flexible inlet/outlet positioning for different engine bay layouts
• Clean, minimalist design for a tucked engine bay look

Specifications:

• Condition: Brand New
• Product Type: Coolant Overflow / Recovery Tank
• Capacity: 1 Liter
• Material: Aluminum Alloy
• Filler Neck: CNC Billet Aluminum
• Inlet: 2mm OD screw-on hose barb
• Ports: 9/16-18 UNF (6AN) bottom & side drain ports

Fitment:

• Universal fitment for most vehicles (custom mounting and hose routing required)

Installation Notes:

• Professional installation is recommended for best results
• Do not remove pre-sealed connectors; they are installed with thread sealant
• Allow minor measurement variance (2–3mm)

What’s Included:

• 1x Aluminum Coolant Overflow Tank (1L)
• 1x Billet Aluminum Cap (O-ring sealed)

Why Upgrade?

A quality overflow tank is one of those simple parts that makes everything feel more dialed. This aluminum reservoir helps improve durability over time, supports cleaner routing for custom setups, and adds that finished, performance-built look under the hood.