Lexus 2016 GS350 Owner's Manual page 547

Cooling system
Capacity
Coolant type
Ignition system
Spark plug
Make
Gap
NOTICE
Iridium-tipped spark plugs
■
Use only iridium-tipped spark plugs. Do not adjust the spark plug gap.
GS350_200t_GS F_OM_OM30E86U_(U)
GS350 9. 9 qt.(9.4 L, 8.3 Imp.qt.)
Engine coolant

9.7 qt.(9.2 L, 8.1 Imp.qt.)
GS200t
Intercooler

2.3 qt.(2.2 L, 1. 9 Imp.qt.)
GS F 11. 9 qt. (11.3 L, 9. 9 Imp.qt.)
Use either of the following:
• "Toyota Super Long Life Coolant"
• Similar high-quality ethylene glycol-based non-sili-
cate, non-amine, non-nitrite, and non-borate cool-
ant with long-life hybrid organic acid technology
Do not use plain water alone.
GS350
DENSO NGK
FK20HBR8 DILFR7K9G
0.031 in. (0.8 mm) 0.04 in. (0. 9 mm)
8-1. Specifications
GS200t
DENSO
FK20HBR-J8
0.031 in. (0.8 mm)
547
GS F
8