Summary
PEAK All Vehicles 50/50 coolant data, from PEAK's own source. PEAK All Vehicles 50/50 Prediluted Antifreeze + Coolant is a 50/50 premix ethylene glycol-based coolant listed by Old World Industries. The manufacturer's page we checked does not list OEM spec codes. Stated service life: 10+ Years / 300,000 Miles.
What to buy
PEAK All Vehicles 50/50 Prediluted Antifreeze + Coolant · Premix 50/50
Confirm that your owner's manual calls for this spec before you buy.
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Specifications
| Brand | PEAK |
|---|---|
| Maker | Old World Industries |
| Product | PEAK All Vehicles 50/50 Prediluted Antifreeze + Coolant |
| Part numbers (as published) | PKPB53 |
| Base glycol | Ethylene glycol |
| Premix or concentrate | Premix 50/50 |
| ASTM standards listed | ASTM D3306, ASTM D4985 |
| Service life claim | 10+ Years / 300,000 Miles |
| Freeze point (as published) | -34°F |
| Free-of claims | nitrite-free, borate-free, silicate-free, phosphate-free, amine-free |
| Datasheet | datasheet |
| Not published by the maker | Sizes, Chemistry, Colour, OEM / industry specs. Check the product label or ask the manufacturer. |
| Source | manufacturer page |
| Last checked | 22 October 2026 |
Specs and approvals listed by the manufacturer
- Meets ASTM D3306 per PEAK (industry test standard)
- Meets ASTM D4985 per PEAK (industry test standard)
Manufacturer wording: Meets European phosphate-free and Japanese silicate-free requirements
"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.
What the manufacturer says it is for
PEAK® All Vehicles Antifreeze + Coolant is designed for use in all North American, Asian and European passenger cars, SUVs, motorcycles and light/medium duty trucks, regardless of make, model or year.
Quoted from the manufacturer's page. Coolant.com has not verified fitment for any vehicle, and a listed make or year range is the manufacturer's statement, not ours.
Compatibility notes
- Sold premixed: pour as supplied. Do not add water unless the label says to.
Where to buy
Amazon listings come from third-party sellers as well as Amazon. Check that the part number, size and premix/concentrate match before you buy.
As an Amazon Associate I earn from qualifying purchases. Commissions never change which products we list or what the data says.
- Check price on Amazon (listed on the manufacturer page; the retailer blocks automated checks)
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 every PEAK product we list, with the chemistries and spec codes the maker names, on the PEAK coolant brand page.
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Ready to buy?
PEAK All Vehicles 50/50 Prediluted Antifreeze + Coolant · Premix 50/50. Check that your owner's manual calls for it.
Check price on AmazonAll buying optionsAs an Amazon Associate I earn from qualifying purchases. Commissions never change which products we list or what the data says.
How we source this page
- 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.