2017 Lexus GXCoolant Type & Capacity

OEM spec from the factory service manual for the Base 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

14.50 QTS.

13.72 L

Variant

Base

Note: DO NOT use plain water alone.
Source: Factory service manual β€” 2017 Lexus GX Base. View full manual section β†’

Frequently Asked Questions

What type of coolant does a 2017 Lexus GX take?
The 2017 Lexus GX 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 β€” this page shows the OEM recommendation for the Base configuration.
How much coolant does a 2017 Lexus GX hold?
The 2017 Lexus GX cooling system capacity is 14.50 QTS. (13.72 L).
Can I use universal coolant in my 2017 Lexus GX?
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 2017 Lexus GX?
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.