2026 Ford F-350 Super Duty coolant capacity
The 2026 Ford F-350 Super Duty holds about 22.5 to 33.3 quarts of coolant, depending on the engine - the full cooling-system capacity when cold. The factory coolant is Motorcraft Yellow Antifreeze/Coolant.
Key takeaways
- The 2026 Ford F-350 Super Duty holds about 22.5 to 33.3 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Coolant: Motorcraft Yellow Antifreeze/Coolant. Refill to the marked level and don't mix coolant types.
| Engine | Capacity | Liters |
|---|---|---|
| 6.7L 8-cyl turbo diesel - Primary CSYS With AUX RAD | 33.3 qt | 31.5 L |
| 6.7L 8-cyl turbo diesel - Primary CSYS | 31.7 qt | 30 L |
| 6.8L 8-cyl | 22.5 qt | 21.3 L |
| 7.3L 8-cyl | 22.5 qt | 21.3 L |
Which coolant the 2026 Ford F-350 Super Duty takes
The factory coolant is Motorcraft Yellow Antifreeze/Coolant. Mixing coolant types can cause sludge and corrosion, so top up with the same product, or drain and refill completely when you switch. Other brands are fine if the jug says they meet Ford WSS-M97B57-A1/A2.
Source: Motorcraft Engine Antifreeze/Coolants Usage Chart (Ford, revised 10/22/2025). Confirm against your owner's manual or the label on the coolant reservoir.
What a coolant change costs
At roughly 5.7 to 8.4 gallons of capacity, the coolant itself is about $86 to $252. A shop charges $70 to $120 for a drain and fill, or $100 to $250 for a full flush. Use the specification the manufacturer lists - mixing coolant chemistries is what turns a cheap service into a water-pump job.
Ranges aggregated from published 2026 US repair-cost and parts price guides, including RepairPal and Car Talk. Prices vary by region, brand, and vehicle - treat these as a sanity check on a quote, not a fixed price. Drain and fill vs flush →
Coolant for your 2026 Ford F-350 Super Duty
Buy Motorcraft Yellow Antifreeze/Coolant, or a coolant that says on the jug it meets the same spec (Ford WSS-M97B57-A1/A2). Check whether it is premixed 50/50 or concentrate before you pour. To compare prices and reviews:
As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.