Lexus IS 2.4L Spark Plugs

Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the Lexus IS 2.4L.

Denso · Catalog-Listed
IKH16
MetalIridium
Gap—

Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.

The Denso IKH16 is a 14mm thread, 19mm reach, gasket seat, heat range 16, iridium electrode spark plug. These specifications are decoded from the Denso part number and determine which plugs it safely cross-references to — a valid equivalent must match the thread, reach, seat and heat range.

Spark plugs that fit the Lexus IS 2.4L

PlugMetalGapBuy
Denso IKH16 Iridium— Buy
Denso VKH16 Iridium— Buy
Denso VFKH16 Iridium— Buy

Frequently asked questions

What spark plug does a Lexus IS 2.4L use?
A manufacturer catalog lists the Denso IKH16 (Iridium), gapped at the factory spec. Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.

How many spark plugs does a Lexus IS 2.4L need?
Check your owner's manual for the exact count for this engine.

What is the spark plug gap for a Lexus IS 2.4L?
See the underhood emissions label — always confirm against the label or manual before installing.

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