Ford WSS-M97B57 (Yellow) and WSS-M97B55-A coolant

Updated 7 November 2026 · Independent, sourced reference

Quick answer

Ford WSS-M97B57: WSS-M97B57 is the Ford specification for Motorcraft Yellow. 5 products in our directory list it. Buy one that names the exact code from your manual.

Key takeaways

  • 5 coolants in our data list this code.
  • Match the exact code and suffix in your manual, not the colour.
  • A listed code is the coolant maker's claim.
On this page

What the code means

WSS-M97B57 is the Ford specification for Motorcraft Yellow. A current Ford manual lists Motorcraft Yellow to WSS-M97B57-A2 and says vehicles built with yellow must stay on yellow. WSS-M97B55-A is another Ford coolant specification cited by coolant makers.

In our directory, 5 products from 3 brands (PEAK, Prestone, Zerex) list this code. Chemistries their makers state: P-OAT (2), HOAT (1). Forms: Concentrate and Premix 50/50 (1), Premix 50/50 (1), Concentrate (1).

For the make-by-make answer, see the make guide.

Products by code

CodeProducts listing it
WSS-M97B57-A1/22
WSS-M97B57-A12
WSS-M97B55-A3

Codes with a letter or number suffix are different requirements. Buy the one your manual names, not the nearest neighbour.

Coolants whose maker lists it (5)

Each row is a product whose manufacturer lists this code on its own page or datasheet (data checked 22 Oct 2026). A listed code is the maker's claim; we have not tested the products. Products with a checked Amazon listing come first.

As an Amazon Associate I earn from qualifying purchases. Commissions never change which products we list or what the data says.

How to use this list

  1. Find the exact code in your owner's manual, service book or equipment documentation.
  2. Pick a product above that lists the same code, including any letter or suffix.
  3. Open the product page to read the maker's exact wording ("approved", "meets" or "suitable for" are not the same).
  4. Do not mix chemistries. Check with the mixing checker before topping up.

Chrysler MS-7170 · GM 1825M and GM 1899M · Ford WSS-M97B51-A1 (Gold) · Ford ESE-M97B44-A · VW TL 774 (G11, G12, G12+, G12++, G13, G12evo) · Mercedes-Benz MB 325 and MB 326 · All coolant specs

Frequently asked questions

Which coolants meet Ford WSS-M97B57?

In our directory, 5 products list it, including Prestone MAX All Vehicles Antifreeze + Coolant, Prestone Platinum All Vehicles Antifreeze + Coolant, PEAK ORIGINAL EQUIPMENT TECHNOLOGY Antifreeze + Coolant 50/50 Prediluted for North American Vehicles - YELLOW. The full list is on this page.

Can I use a universal coolant instead of Ford WSS-M97B57?

Only if the maker of that universal coolant lists this exact code on the label or datasheet. "Compatible with all makes" is not the same as listing the code.

Where do I find the Ford WSS-M97B57 requirement?

In the owner's manual or service literature, usually in the fluids or capacities section, and sometimes on the reservoir cap.

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.

Sources

  1. Prestone: Prestone MAX All Vehicles Antifreeze + Coolant (manufacturer page)
  2. Prestone: Prestone Platinum All Vehicles Antifreeze + Coolant (manufacturer page)
  3. PEAK: PEAK ORIGINAL EQUIPMENT TECHNOLOGY Antifreeze + Coolant 50/50 Prediluted for North American Vehicles - YELLOW (manufacturer page)
  4. Zerex: Zerex Asian Vehicle Blue Antifreeze Coolant (manufacturer page)
  5. PEAK: PEAK ORIGINAL EQUIPMENT TECHNOLOGY Concentrate Antifreeze + Coolant for North American Vehicles - YELLOW (manufacturer page)
Need this fluid? Free supplier quotesGet quotes