CAR SPEC SHEET

2021 Ford Super Duty Coolant

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Depends on your version. Choose yours, or compare them here.

  • 6.2L 24.6 qt capacity·WSS-M97B57-A2 type
  • 6.7L Diesel, primary cooling system 31.7 qt capacity·WSS-M97B57-A2 type
  • 6.7L Diesel, secondary cooling system 8.1 qt capacity·WSS-M97B57-A2 type
  • 7.3L 22.5 qt capacity

2021 Ford Super Duty Owner's Manual, PDF pages 458 and 459

24.6 qt (23.3 L)Open the manual at this page ↗Added Oct 18, 2026 · Updated
See where it's printed

Coolant (capacity) · 6.2L · PDF page 458

24.6 qt (23.3 L)

Coolant (type) · 6.2L · PDF page 458

WSS-M97B57-A2

Coolant (capacity) · 6.7L Diesel, primary cooling system · PDF page 459

31.7 qt (30 L)

Coolant (type) · 6.7L Diesel · PDF page 459

WSS-M97B57-A2

Coolant (capacity) · 6.7L Diesel, secondary cooling system · PDF page 459

8.1 qt (7.7 L)

Coolant (type) · 6.7L Diesel · PDF page 459

WSS-M97B57-A2

Coolant (capacity) · 7.3L · PDF page 459

22.5 qt (21.3 L)

All versions

6 values
Applies toValueManual saysPage
6.2L 24.6 qtcapacity “24.6 qt (23.3 L)” PDF page 458 ↗
6.2L WSS-M97B57-A2type “WSS-M97B57-A2” PDF page 458 ↗
6.7L Diesel, primary cooling system 31.7 qtcapacity “31.7 qt (30 L)” PDF page 459 ↗
6.7L Diesel, secondary cooling system 8.1 qtcapacity “8.1 qt (7.7 L)” PDF page 459 ↗
7.3L 22.5 qtcapacity “22.5 qt (21.3 L)” PDF page 459 ↗
6.7L Diesel WSS-M97B57-A2type “WSS-M97B57-A2” PDF page 459 ↗

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