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2021 Ford Explorer
2021 Explorer coolant is Motorcraft Yellow. Quantities stay split by engine chapter, towing, and the hybrid cooling loop.
Difficulty, time, and cost are estimates when this guide gives them. Torque is a cited figure, or it is left off.
Main source: 2021 Explorer Owner's Manual, first printing, August 2020, engine coolant (opens in a new tab), Ford Motor Company, published 2020-08-01, read 2026-10-15.
Numbers on this page come from the cited source. Match the engine before you use a capacity or a torque. Do not work under a vehicle held only by a jack.
Motorcraft Yellow prediluted coolant, WSS-M97B57-A2
The check section says to use prediluted coolant approved to the correct specification. Do not mix colors or types.
| Item | Figure | Where it comes from |
|---|---|---|
| Coolant | Motorcraft Yellow Prediluted Antifreeze/Coolant, WSS-M97B57-A2. VC-13DL-G (U.S.) or CVC-13DL-G (Canada). | Engine coolant materials in each capacities chapter |
| 2.3L EcoBoost | Without trailer towing 14.1 qt (13.3 L). With trailer towing 15.2 qt (14.4 L). | 2.3L EcoBoost engine coolant capacity |
| 3.0L chapter | 18.0 qt (17 L), variant All. | 3.0L engine coolant capacity |
| 3.3L gasoline | 14.2 qt (13.4 L), variant All. | 3.3L gasoline engine coolant capacity |
| 3.3L HEV engine | 15.2 qt (14.4 L). | 3.3L HEV engine coolant capacity |
| 3.3L HEV low-temperature loop | 4.6 qt (4.4 L). The row says battery and electric motor electronics. | 3.3L HEV engine coolant capacity |
| Concentration | 48% to 50%, a freeze point between -29 F (-34 C) and -35 F (-37 C). Check with a refractometer. | Engine coolant check |
2.3L splits without towing and with towing. The 3.0L chapter prints 18.0 qt for All. 3.3L gasoline prints 14.2 qt. The hybrid chapter prints 15.2 qt for the engine and 4.6 qt for the low-temperature loop.
Each materials block names Motorcraft Yellow to WSS-M97B57-A2. The check section says not to mix colors or types.
With the engine cold, the level belongs between MIN and MAX. Hot coolant expands and may sit past MAX. Concentration is 48% to 50%.
The 3.0L capacities chapter is titled 3.0L. This page does not copy that 18.0 qt figure onto the separate 3.0L ST specifications page.
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Motorcraft Yellow prediluted coolant, WSS-M97B57-A2
The check section says to use prediluted coolant approved to the correct specification. Do not mix colors or types.
2021 Explorer owner's manual (opens in a new tab)Search Amazon.com (affiliate link) (opens in a new tab)
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These guides cover the same kind of work. Their numbers belong to those vehicles, not to this one.