Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda ClarityCoolant Type & Capacity
OEM spec from the factory service manual for the Fuel Cell variant.
Quick Answer
Coolant Type
HONDA Long-Life Antifreeze/Coolant Type 2
Capacity
0.81 QTS.
0.76 L
Variant
Fuel Cell
Note: Change including the remaining 0.21 US gal (0.80 L) in the reserve tank.
This vehicle's factory manual
The coolant spec is above. This opens the fluids section of the 2021 Honda Clarity Fuel Cell factory book.
What You'll Need
Related for Your 2021 Honda Clarity
Frequently Asked Questions
- What type of coolant does a 2021 Honda Clarity take?
- The 2021 Honda Clarity requires HONDA Long-Life Antifreeze/Coolant Type 2. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Fuel Cell configuration.
- How much coolant does a 2021 Honda Clarity hold?
- The 2021 Honda Clarity cooling system capacity is 0.81 QTS. (0.76 L).
- Can I use universal coolant in my 2021 Honda Clarity?
- It is strongly recommended to use coolant that meets the HONDA Long-Life Antifreeze/Coolant Type 2 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 Honda Clarity?
- 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.