1986–1988 Holden Piazza 2.0L Spark Plugs
Catalog-listed plug, cross-brand equivalents, gap, and where to buy for the 1986–1988 Holden Piazza 2.0L.
Listed in a manufacturer plug catalog — confirm against your owner's manual before buying.
The ACDelco 41804 is a 14mm thread, gasket seat, heat range 1, copper electrode spark plug. These specifications are decoded from the ACDelco 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 1986–1988 Holden Piazza 2.0L
| Plug | Metal | Gap | Buy |
|---|---|---|---|
| ACDelco 41804 | Copper | — | Buy |
| ACDelco AC4 | Copper | — | Buy |
| ACDelco R42XLS | Copper | — | Buy |
Frequently asked questions
What spark plug does a 1986–1988 Holden Piazza 2.0L use?
A manufacturer catalog lists the ACDelco 41804 (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 1986–1988 Holden Piazza 2.0L need?
Check your owner's manual for the exact count for this engine.
What is the spark plug gap for a 1986–1988 Holden Piazza 2.0L?
See the underhood emissions label — always confirm against the label or manual before installing.
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