Summary
febi Coolant G12evo coolant data, from febi's own source. febi Coolant G12evo is a concentrate Si-OAT ethylene glycol-based coolant listed by Ferdinand Bilstein GmbH + Co. KG. The manufacturer lists 1 OEM or industry spec code, including VW TL 774-L.
What to buy
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Where to buyConfirm the specification in your owner’s manual before buying. Product examples are not a fitment guarantee.
Specifications
| Brand | febi |
|---|---|
| Maker | Ferdinand Bilstein GmbH + Co. KG |
| Product | febi Coolant G12evo |
| Part numbers (as published) | 183366, 183367, 183368, 196640, 196641, 196642 |
| Chemistry | Si-OAT |
| Base glycol | Ethylene glycol |
| Premix or concentrate | Concentrate |
| OEM / industry specs listed | VW TL 774-L |
| Not published by the maker | Sizes, Colour, ASTM standards, Service life claim, Freeze point, Free-of claims, Datasheet. Check the product label or ask the manufacturer. |
| Source | manufacturer page |
| Last checked | 22 October 2026 |
Specs and approvals listed by the manufacturer
- Meets VW TL 774-L per febi (Volkswagen Group)
Manufacturer wording: febi: "The product meets the requirements of the latest Volkswagen technical supply specification TL 774-L (G12Evo), which means it is also backwards-compatible with the following applications: VW TL 774-C (G11), D (G12), F (G12+), G (G12++), J (G13)."
"Meets X per manufacturer" is our shorthand for any of the manufacturer's own phrases: meets, meets or exceeds, approved, or recommended for applications requiring. It is the manufacturer's claim, not an approval by Coolant.com or by the vehicle maker. Codes are copied as published. Some sources list codes for compatibility rather than formal approval. The wording above shows which.
Compatibility notes
- If your owner's manual calls for VW TL 774-L, febi lists that code for this product. Read the exact wording above, and confirm against your manual.
- Chemistry is listed as Si-OAT. Mixing different chemistries can shorten coolant life. See OAT vs HOAT vs IAT and use the mixing checker before topping up.
- Sold as a concentrate: dilute with distilled or deionised water as the label directs. See premix vs concentrate and the freeze and boil calculator.
Note: febi states the product meets VW TL 774-L (G12evo) and is backwards-compatible with TL 774-C, D, F, G and J. Si-OAT is INFERENCE from "premium concentrate coolant containing silicate" with organic additive technology.
Where to buy
We did not find a retailer link on the manufacturer's page that we could check. Try the manufacturer's own site: febi product page.
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Vehicle makes linked to this coolant
These make pages explain what each vehicle maker specifies. The reason each one links here is shown next to it. This is not a fitment claim, so check your owner's manual.
- What coolant Volkswagen specifies (the manufacturer lists a spec code from this vehicle maker)
- What coolant Audi specifies (the manufacturer lists a spec code from this vehicle maker)
More from febi
See every febi product we list, with the chemistries and spec codes the maker names, on the febi coolant brand page.
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