Holden Commodore 3.6L Spark Plugs
Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the Holden Commodore 3.6L.
Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.
The Denso ITV20 is a 14mm thread, 19mm reach, gasket seat, heat range 20, iridium electrode spark plug, pre-gapped to 0.049". 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 Holden Commodore 3.6L
| Plug | Metal | Gap | Buy |
|---|---|---|---|
| Denso ITV20 | Iridium | 0.049" | Buy |
| Denso ITV20TT | Iridium | — | Buy |
| Denso IT20 | Iridium | — | Buy |
| Denso IT20TT | Iridium | — | Buy |
| Denso IT16 | Iridium | — | Buy |
| Denso IT16TT | Iridium | 0.040" | Buy |
| Denso T20EPR-U15 | Copper | — | Buy |
| Denso T20TT | Copper | — | Buy |
| Denso VT20 | Copper | — | Buy |
| Denso T16EPR-U15 | Copper | — | Buy |
Frequently asked questions
What spark plug does a Holden Commodore 3.6L use?
A manufacturer catalog lists the Denso ITV20 (Iridium), gapped at 0.049". Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.
How many spark plugs does a Holden Commodore 3.6L need?
Check your owner's manual for the exact count for this engine.
What is the spark plug gap for a Holden Commodore 3.6L?
0.049" — always confirm against the label or manual before installing.
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