Easy to contact. Easy to purchase. Pick up or delivery available. We chose pick up as wanted the item quickly. Staff at shop when picking up were very friendly and helpful. Item is fantastic ( broke discs). Thank you. Will shop again if looking for car parts.
Radicool SI-OAT 20L - Castrol
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Delivery & Shipping
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Returns & Warranty
Returns & Warranty
At Universal Auto Spares, your satisfaction is our top priority. We understand that sometimes an item may not be what you expected, or you may change your mind. That's why we've made our returns process as straightforward and hassle-free as possible. If you need to return an item, you can do so within 30 days of your purchase.
Radicool SI-OAT 20L
Castrol Radicool SI-OAT is an engine coolant, supplied as one 20L pack. This concentrate is diluted before use to achieve the required cooling-system protection. This silicate-enhanced organic-acid concentrate targets cooling systems that call for Si-OAT technology and the listed European manufacturer approvals.
Key benefits
- Helps protect against corrosion and deposit formation.
- Suitable for specified Euro 6 truck and bus cooling systems.
- Helps protect compatible cooling-system metals from corrosion.
Applications and compatibility
For compatible passenger and commercial vehicles requiring the stated Si-OAT specifications.
Check coolant compatibility before filling or topping up. Follow the concentrate or premix instructions below and the vehicle manufacturer’s service procedure.
Application note: Match the required coolant technology and specification; coolant colour alone does not establish compatibility.
Specifications and performance claims
- ASTM D3306 (I) (Concentrate)
- ASTM D4985
- BS6580:2010
- JASO JIS K2234
- MAN 324 Type Si-OAT
- VW TL- 774G (G12++)
- DTFR 29C120 (Concentrate)
- MB-Approval 325.6 (Concentrate)
Product details
| Brand | Castrol |
|---|---|
| Part number / MPN | 3437791 |
| Pack size | 20L |
| Quantity supplied | 1 |
| Product function | Engine coolant |
| Supply form | Concentrate |
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