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2021 Toyota HighlanderCoolant Type & Capacity
OEM spec from the factory service manual for the Hybrid LE, 2.5L Eng VIN A variant.
Quick Answer
Coolant Type
TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology
Capacity
10.50 QTS.
9.93 L
Variant
Hybrid LE, 2.5L Eng VIN A
Note: DO NOT use plain water alone.
The fluid capacity is the quantity of reference.
Source: Factory service manual — 2021 Toyota Highlander Hybrid LE, 2.5L Eng VIN A. View full manual section →
What You'll Need
Engine Coolant / Antifreeze
TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology for Toyota Highlander
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Tool
Spill-Free Coolant Funnel
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Tester
Coolant Tester / Hydrometer
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Drain Pan
Coolant Drain Pan
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Frequently Asked Questions
- What type of coolant does a 2021 Toyota Highlander take?
- The 2021 Toyota Highlander requires TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Hybrid LE, 2.5L Eng VIN A configuration.
- How much coolant does a 2021 Toyota Highlander hold?
- The 2021 Toyota Highlander cooling system capacity is 10.50 QTS. (9.93 L).
- Can I use universal coolant in my 2021 Toyota Highlander?
- It is strongly recommended to use coolant that meets the TOYOTA Super Long Life Coolant or similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrate and non-borate coolant with long-life hybrid organic acid technology specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
- What happens if I use the wrong coolant in my 2021 Toyota Highlander?
- Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.