Lexus Lx470 Owner's Manual page 390

6-1. Specifications
Cooling system
Capacity
Coolant type
Ignition system
Spark plug
Make DENSO
NGK
Gap
NOTICE
Iridium-tipped spark plugs
■
Use only iridium-tipped spark plugs. Do not adjust gap when tuning engine.
372
16.3 qt. (15.4 L, 13.6 lmp.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.
SK20R11
IFR6A11
0.043 in. (1.1 mm)