Maintenance / 2024 RAV4 AWD · Automatic (S8) · 4 cyl · 2.5 L · EPA 25/33 mpg city/highway

Spark plugs

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

IntervalReplace at 120,000 mi or 144 months, whichever first. Do not adjust the iridium plug gap.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 FC16HR-Q8 Verified
Spark plug gap
0.031 in VerifiedUse the specified iridium plug; do not adjust its gap.

Compatible products (1)

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DENSO 3524 FC16HR-Q8 Iridium Spark Plug

Replacement spark plugs · Buy four individual plugs for this four-cylinder engine. This listing is for one plug, not a four-plug set. Follow Toyota’s replacement interval and tightening procedure; do not adjust the iridium plug gap.

Part number: FC16HR-Q8 · 1 spark plug

Manufacturer details ↗
View product — Amazon.com ↗
Cylinders
4 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.