2016–2023 Mazda CX-9 2.5L Spark Plugs
OE-verified plug, cross-brand equivalents, gap, and where to buy for the 2016–2023 Mazda CX-9 2.5L.
Verified against a manufacturer OE catalog.
The NGK ILKAR7L11 is a 14mm thread, 11.2mm reach, gasket seat, heat range 7, iridium electrode spark plug, pre-gapped to 0.030". These specifications are decoded from the NGK 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 2016–2023 Mazda CX-9 2.5L
| Plug | Metal | Gap | Buy |
|---|---|---|---|
| OE ✓ NGK ILKAR7L11 | Iridium | 0.030" | Buy |
| Denso IXEH22TT | Iridium | — | Buy |
| Denso ITV20 | Iridium | 0.049" | Buy |
| Denso ITV20TT | Iridium | — | Buy |
Frequently asked questions
What spark plug does a 2016–2023 Mazda CX-9 2.5L use?
The OE-verified plug is the NGK ILKAR7L11 (Iridium), gapped at 0.030". Verified against a manufacturer OE catalog.
How many spark plugs does a 2016–2023 Mazda CX-9 2.5L need?
Check your owner's manual for the exact count for this engine.
What is the spark plug gap for a 2016–2023 Mazda CX-9 2.5L?
0.030" — always confirm against the label or manual before installing.
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