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About this part
What it does. Apr Spark Plug APR 9402-Z1004081 delivers the spark that ignites the air-fuel mixture in the cylinder.
Symptoms that point to this part
- Misfire codes
- Rough idle
- Hard starting
- Loss of power under load
Fitment. Catalogued as fitting 2026 Audi Q7, 2025–2026 Porsche Cayenne, 2026 Audi A8 Quattro, 2026 Audi A6 Quattro, 2026 Audi Sq7, 2026 Audi Sq5, 2025–2026 Audi S5, 2025 Audi Rs6 Avant, 2024–2025 Audi Rs7 Sportback, 2024–2025 Porsche Panamera, 2025 Porsche Macan, 2021 Audi Rs Q8. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.