Exact-code service & fitment

Honda Grace GM4: Coolant, cooling-system service & fitment

Keep engine and hybrid/power-electronics cooling circuits separate and tied to the exact vehicle evidence.

1verified facts
1fitment references
1service references
0step-by-step guides
Before you buy or service: Cooling systems may be pressurized and hybrid vehicles can have multiple circuits. Follow the manufacturer procedure and never open a hot pressurized system.
Exact answers

Specifications & capacities

1 source-backed
Purchase-adjacent reference

Parts & fitment

1 exact references
CoolingVerified Oct 2, 2026

Engine coolant

Honda Ultra e-Coolant 50%; approx. 3.83 L including 0.44 L reservoir

Reference from the Grace Hybrid owner manual. Confirm the exact drivetrain, production period and current fill before service.

Honda Motor Co. source ↗
Manufacturer-backed service

Maintenance & repair references

1 documented
coolingCondition based

Engine coolant service

Use Honda Ultra e-Coolant 50%; the owner-manual specification is approximately 3.83 L including the 0.44 L reservoir.

The cited specification does not establish the replacement interval here. Follow the applicable Honda maintenance note and confirm drivetrain/production period.
Honda Japan Grace Hybrid owner manual ↗
Keep the exact code

Continue ownership research

Related exact-code clusters

Other service & fitment areas

CarFactBook keeps manufacturer evidence, fitment notes and service caveats attached to the exact model code. This page is a reference layer, not proof of the condition or equipment of an individual used vehicle.