2024 Mazda CX-90 coolant capacity
The 2024 Mazda CX-90 holds about 9.7 to 11.9 quarts of coolant, depending on the engine - the full cooling-system capacity when cold. The factory coolant is Mazda FL22 Long-Life Coolant (green).
Key takeaways
- The 2024 Mazda CX-90 holds about 9.7 to 11.9 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Coolant: Mazda FL22 Long-Life Coolant (green). Refill to the marked level and don't mix coolant types.
| Engine | Capacity | Liters |
|---|---|---|
| 2.5L 4-cyl | 9.7 qt | 9.2 L |
| 3.3L 6-cyl turbo - Standard Power | 10.8 qt | 10.2 L |
| 3.3L 6-cyl turbo - High Power | 11.9 qt | 11.3 L |
Which coolant the 2024 Mazda CX-90 takes
The factory coolant is Mazda FL22 Long-Life Coolant (green). 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 Mazda FL22.
Source: Mazda Technical Service Bulletin 01-002/16, "Multi-Model - Pre-Mixed Long-Life FL22 Engine Coolant" (mirrored via mazda.oemdtc.com), Mazda3 Owner's Manual. Confirm against your owner's manual or the label on the coolant reservoir.
What a coolant change costs
At roughly 2.5 to 3 gallons of capacity, the coolant itself is about $38 to $90. 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 2024 Mazda CX-90
Buy Mazda FL22 Long-Life Coolant (green), or a coolant that says on the jug it meets the same spec (Mazda FL22). Check whether it is premixed 50/50 or concentrate before you pour. To compare prices and reviews:
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