2026 Jeep Wrangler coolant capacity
The 2026 Jeep Wrangler holds about 3.3 to 15.6 quarts of coolant, depending on the engine - the full cooling-system capacity when cold. The factory coolant is Mopar 10 Year/150,000 Mile OAT Coolant (purple).
Key takeaways
- The 2026 Jeep Wrangler holds about 3.3 to 15.6 quarts of coolant total, depending on engine.
- This is the full cooling-system fill with the engine cold.
- Coolant: Mopar 10 Year/150,000 Mile OAT Coolant (purple). Refill to the marked level and don't mix coolant types.
| Engine | Capacity | Liters |
|---|---|---|
| 2.0L 4-cyl turbo | 12 qt | 11.4 L |
| 3.6L 6-cyl (ERC) - ENG | 13.4 qt | 12.7 L |
| 3.6L 6-cyl (ERC) - Power Pack Unit Coolant | 3.3 qt | 3.1 L |
| 6.4L 8-cyl (ESG) | 15.6 qt | 14.8 L |
Which coolant the 2026 Jeep Wrangler takes
The factory coolant is Mopar 10 Year/150,000 Mile OAT Coolant (purple). 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 Chrysler MS-12106.
Source: 2013 Jeep Wrangler Owner's Manual (Mopar/Stellantis), PEAK OET Antifreeze+Coolant Application Chart (Old World Industries). Confirm against your owner's manual or the label on the coolant reservoir.
Coolant for your 2026 Jeep Wrangler
Buy Mopar 10 Year/150,000 Mile OAT Coolant (purple), or a coolant that says on the jug it meets the same spec (Chrysler MS-12106). Check whether it is premixed 50/50 or concentrate before you pour. To compare prices and reviews:
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