6389-1. Specifications
HIGHLANDER_U (OM48A12U)
Cooling system
Capacity
(Reference)
2.7 L 4-cylinder
(1AR-FE)
engine9.9 qt. (9.4 L, 8.3 Imp. qt.)
3.5 L V6 (2GR-
FE) engine
Without towing package
11.5 qt. (10.9 L, 9.6 Imp. qt.)
With towing package
11.8 qt. (11.2 L, 9.8 Imp. qt.)
Coolant type Use either of the following.
• “Toyota Super Long Life Coolant”
• Similar high-quality ethylene glycol-
based non-silicate, non-amine, non-
nitrite, and non-borate coolant with
long-life hybrid organic acid technol-
ogy
Do not use plain water alone.
Ignition system
Spark plug
Make2.7 L 4-cylinder (1AR-FE) engine
DENSO SK16HR11
3.5 L V6 (2GR-FE) engine
DENSO FK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
