Maintenance / 2007 Automatic (S6) · 6 cyl · 3.5 L

Spark plugs

Use the engine-specific plug type. Check the service schedule and inspect ignition faults before replacing parts.

← Back to specifications Shop compatible products (1) ↓

IntervalFollow the matching normal/severe-use schedule in the linked manual; inspect sooner if symptoms appear.Verified

01 / Requirements

Configuration-specific service and fitment facts

These sourced values are shared by the specification sheet and the maintenance guides for this exact configuration.

Spark plugs

Spark plug specification: DENSO FK20HR11 Verified
Spark plug gap: 0.043 in Verified

DENSO 3426 FK20HR11 Iridium Long Life Spark Plug

Specified spark plugs · Sold individually; order 6 plugs for this 6-cylinder engine. Use the exact plug designation and Toyota’s replacement procedure; protect the fine electrodes and do not substitute a similar-looking part number.

Part number: FK20HR11 · 1 spark plug

Manufacturer details ↗

View product — Amazon.com ↗

Cylinders: 6 Verified

Installation: Work on a cooled engine using the specified tightening procedure. Do not adjust a fine-wire plug gap unless its manufacturer explicitly permits it.