Mazda CX-30 Spark Plugs
Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the Mazda CX-30.
Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.
The Denso VCH20 is a 12mm thread, 26.5mm reach, heat range 20, copper 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 Mazda CX-30
| Plug | Metal | Gap | Buy |
|---|---|---|---|
| Denso VCH20 | Copper | — | Buy |
Frequently asked questions
What spark plug does a Mazda CX-30 use?
A manufacturer catalog lists the Denso VCH20 (Copper), 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 Mazda CX-30 need?
Check your owner's manual for the exact count for this engine.
What is the spark plug gap for a Mazda CX-30?
See the underhood emissions label — always confirm against the label or manual before installing.
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