spark plugs TOYOTA TUNDRA 2018 Owners Manual (in English)

6049-1. Specifications
Cooling system
Capacity
1UR-FE
engine
Vehicles without towing package
11.4 qt. (10.8 L, 9.5 Imp.qt.)
Vehicles with towing package
12.6 qt. (11.9 L, 10.5 Imp.qt.)
3UR-FE,
3UR-FBE
enginesVehicles without towing package
11.4 qt. (10.8 L, 9.5 Imp.qt.)
Vehicles with towing package
12.4 qt. (11.7 L, 10.3 Imp.qt.)
Coolant typeUse 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 technology
Do not use plain water alone.
Ignition system
Spark plug
MakeDENSO SK20HR11
Gap0.043 in. (1.1 mm)
NOTICE
■ Iridium-tipped spark plugs
Use only iridium-tipped spark plugs. Do not adjust the spark pl ug gap.