The Radium Engineering Universal Coolant Expansion Tank is a 2-piece, CNC-machined billet 6061 aluminum reservoir for custom cooling-system builds. The two halves bolt together with a billet aluminum radiator neck that accepts a standard 32mm mini-style pressure cap. Its universal design lets you add a clean, durable coolant tank to nearly any application.
| Type | Universal billet aluminum coolant expansion tank |
| Material | CNC-machined billet 6061 aluminum (2-piece) |
| Capacity | 822 mL |
| Fitment | Universal |
| Included | Billet radiator neck (accepts standard 32mm mini-style pressure cap) |
| Part Number | 20-0270-00 |
Shipping: In-stock orders placed before 3 PM EST ship the same day, and everything else ships within 24 hours. Standard, expedited, and overnight options are available at checkout. Backordered items ship as soon as we get them back in stock. Contact us for lead times. See the full Shipping Policy.
Returns: 30-day returns on new, unused items in original packaging. See the full Refund Policy.
