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.
What to buy
We have not verified an Amazon listing for this product. See the retailers the manufacturer names.
Where to buyConfirm the specification in your owner’s manual before buying. Product examples are not a fitment guarantee.
Specifications
| Brand | Prestone |
|---|---|
| Maker | Prestone |
| Product | Prestone Command Nitrite Free Extended Life Antifreeze + Coolant |
| Part numbers (as published) | AFC12000 |
| Chemistry | OAT |
| Premix or concentrate | Concentrate |
| OEM / industry specs listed | Cummins CES 14439 |
| Free-of claims | nitrite-free |
| Not published by the maker | Sizes, Base glycol, Colour, ASTM standards, Service life claim, Freeze point, 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 Cummins CES 14439 per Prestone (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.
Alternatives that list the same spec
Other coolants whose makers list at least one of the same OEM codes as Prestone Command Nitrite Free Extended Life Antifreeze + Coolant. More shared codes first. Match the exact code in your manual, and do not mix chemistries when topping up.
| Product | Same code(s) |
|---|---|
| Zerex G40 Antifreeze Coolant Zerex · not published · Concentrate | Cummins CES 14439 |
| Prestone Command ESI Precharged Antifreeze + Coolant Prestone · IAT · Premix 50/50 | Cummins CES 14439 |
| Prestone Command Nitrited Extended Life Antifreeze + Coolant Prestone · not published · Premix 50/50 | Cummins CES 14439 |
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.
Related tool
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See every Prestone product we list, with the chemistries and spec codes the maker names, on the Prestone coolant brand page.
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- Facts come from manufacturer pages, datasheets, owner's manuals and standards bodies, linked under Sources.
- We do not test products, and no brand pays to be listed or ranked. Advertising and affiliate links are labelled and never change the data.
- Anything we could not find is marked "not published" rather than guessed. Spotted an error? Tell us.