Summary
Prestone Command Nitrite Free Extended Life coolant data, from Prestone's own source. Prestone Command Nitrite Free Extended Life Antifreeze + Coolant is a concentrate OAT coolant listed by Prestone. The manufacturer lists 1 OEM or industry spec code, including Cummins CES 14439.
Specifications
| Brand | Prestone |
|---|---|
| Maker | Prestone |
| Product | Prestone Command Nitrite Free Extended Life Antifreeze + Coolant |
| Part numbers (as published) | AFC12000 |
| Sizes (as published) | not published |
| Chemistry | OAT |
| Base glycol | not published |
| Colour | not published |
| Premix or concentrate | Concentrate |
| OEM / industry specs listed | Cummins CES 14439 |
| ASTM standards listed | not published |
| Service life claim | not published |
| Freeze point (as published) | not published |
| Free-of claims | nitrite-free |
| Datasheet | not published |
| Source | manufacturer page |
| Last checked | 22 October 2026 |
Specs and approvals listed by the manufacturer
- Meets Cummins CES 14439 per Antifreeze is glycol plus inhibitors. Choose it by your vehicle's specification. (Cummins)
Manufacturer wording: OEM Approvals/Registrations: This product meets Cummins® Eng.
"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 Cummins CES 14439, Prestone lists that code for this product. Read the exact wording above, and confirm against your manual.
- Chemistry is listed as 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.
Where to buy
- prestone.com (where to buy) (link checked 22 Oct 2026)
These links come from the manufacturer's own product page or official parts store. We do not show prices because they change and vary by store. Check that the part number and size match before you buy.
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See all Prestone coolants, coolants by brand or coolant by car make.
Browse the full coolant directory, or use Find my car coolant to match the spec in your owner's manual.
Sources
- Prestone product page (status on 22 Oct 2026: 200)