How much coolant does a 2014 Lexus Rx 450h hold?

The 2014 Lexus Rx 450h cooling system capacity is 12.00 QTS. (11.35 L).

What happens if I use the wrong coolant in my 2014 Lexus Rx 450h?

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.

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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.

2014 Lexus Rx 450hCoolant Type & Capacity

OEM spec from the factory service manual for the 3.5L Eng VIN B variant.

Quick Answer

Coolant Type

TOYOTA Super Long Life Coolant or Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology

Capacity

12.00 QTS.

11.35 L

Variant

3.5L Eng VIN B

Note: DO NOT use plain water alone.

This vehicle's factory manual

2014 Lexus Rx 450h: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

Open this vehicle’s service manual

Other specs:All specs

What You'll Need

Engine Coolant / Antifreeze

TOYOTA Super Long Life Coolant or Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, and non-borate coolant with long-life hybrid organic acid technology for Lexus Rx 450h

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Frequently Asked Questions

What type of coolant does a 2014 Lexus Rx 450h take?: The 2014 Lexus Rx 450h requires TOYOTA Super Long Life Coolant or Similar high-quality ethylene glycol-based non-silicate, non-amine, non-nitrite, 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 3.5L Eng VIN B configuration.
How much coolant does a 2014 Lexus Rx 450h hold?: The 2014 Lexus Rx 450h cooling system capacity is 12.00 QTS. (11.35 L).
Can I use universal coolant in my 2014 Lexus Rx 450h?: 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-nitrite, 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 2014 Lexus Rx 450h?: 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.