APR Iridium Pro Spark Plugs - Heat Range 10 (EA825, EA839, 9A2 Engines)
Part # Z1004081SKU APRZ1004081
Set your vehicle above for a fit verdict. 46 vehicles listed below.
| Brand | APR |
|---|---|
| Part type | Spark Plug |
| Brand | APR |
| Category | Ignition |
| Center Electrode Tip Material | Iridium |
| Emission Code | 6 |
| Grade Type | Performance |
| Indexed | No |
| Insulator Material | Ceramic |
| Product Type | Ignition Systems (Spark Plugs) |
| Sub Category | Secondary Ignition |
| UPC / GTIN | 00810065217998 |
| Warranty | Warranted to be free from defects in the materials and workmanship prior to installation |
- Heat range 10 spark plug (Similar: Bosch 2, Brisk 8, Denso 31, and NGK 10)
- 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum.
- Stronger than copper and platinum
- Designed for high performance / tuned vehicle applications
- Non-projected insulator design
- Lower required supplied voltage
- Cooler operating temperature than stock plugs
- Optimized electrode design for hard to ignite fuels, such as ethanol
- Resists preignition better than stock plugs
- Perfect for upgraded APR vehicles
- An excellent match for APR ignition coils
- Thread reach: 26.5mm
- Thread diameter: 12mm
- Hexagon: 14mm
- Seat Type: Gasket
- Install Torque: 17 Nm
- Insulator Material: Ceramic
- Supplied Gap: .55mm +- .05mm
- 2 steps colder than OEM (4.0T EA825)
- 1 step colder older than OEM (2.9T/3.0T EA829, 2.0T/2.5T/3.0T/3.7T 9A2)
- Made in the EU
Description
Refresh your ignition system in one shot with APR Iridium Pro Spark Plugs and pair with APR Ignition Coils – engineered to work together for a stronger, more consistent spark. Each is a direct-fit upgrade designed to support smoother idle, sharper throttle response, and reliable performance under heat and load—whether you’re stock or running higher boost and power upgrades.
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| Year | Make | Model | Engine |
|---|---|---|---|
| 2020 - 2026 | Audi | A6 allroad | 3.0L V6 |
| 2019 - 2026 | Audi | A6 Quattro | 3.0L V6 |
| 2019 - 2025 | Audi | A7 Sportback | 3.0L V6 |
| 2019 - 2021 | Audi | A8 Quattro | 3.0L V6, 4.0L V8 |
| 2022 - 2026 | Audi | A8 Quattro | 3.0L V6 |
| 2020 - 2026 | Audi | Q7 | 3.0L V6 |
| 2019 - 2026 | Audi | Q8 | 3.0L V6 |
| 2018 - 2019 | Audi | RS5 | 2.9L 177 V6 |
| 2021 - 2025 | Audi | RS5 | 2.9L 177 V6 |
| 2019 | Audi | RS5 Sportback | 2.9L 177 V6 |
| 2021 - 2025 | Audi | RS5 Sportback | 2.9L 177 V6 |
| 2021 - 2026 | Audi | RS6 Avant | 4.0L 244 V8 |
| 2021 - 2026 | Audi | RS7 Sportback | 4.0L 244 V8 |
| 2020 - 2026 | Audi | RS Q8 | 4.0L 244 V8 |
| 2018 - 2025 | Audi | S4 | 3.0L V6 |
| 2018 - 2027 | Audi | S5 | 3.0L V6 |
| 2018 - 2025 | Audi | S5 Sportback | 3.0L V6 |
| 2020 - 2025 | Audi | S6 | 2.9L 177 V6 |
| 2020 - 2025 | Audi | S7 Sportback | 2.9L 177 V6 |
| 2020 - 2026 | Audi | S8 | 4.0L 244 V8 |
| 2018 - 2026 | Audi | SQ5 | 3.0L V6 |
| 2021 - 2026 | Audi | SQ5 Sportback | 3.0L V6 |
| 2020 - 2026 | Audi | SQ7 | 4.0L 244 V8 |
| 2020 - 2026 | Audi | SQ8 | 4.0L 244 V8 |
| 2019 | Bentley | Bentayga | 4.0L 244 V8 |
| 2020 - 2026 | Bentley | Bentayga | 3.0L V6, 4.0L 244 V8 |
| 2023 - 2026 | Bentley | Bentayga EWB | 4.0L 244 V8 |
| 2020 - 2026 | Bentley | Continental | 4.0L 244 V8 |
| 2021 | Bentley | Flying Spur | 4.0L 244 V8 |
| 2022 - 2024 | Bentley | Flying Spur | 2.9L 177 V6, 4.0L 244 V8 |
| 2025 - 2026 | Bentley | Flying Spur | 4.0L 244 V8 |
| 2019 - 2027 | Lamborghini | Urus | 4.0L 244 V8 |
| 2017 - 2025 | Porsche | 718 Boxster | 2.0L 121 H4, 2.5L 152 H4 |
| 2017 - 2025 | Porsche | 718 Cayman | 2.0L 121 H4, 2.5L 152 H4 |
| 2020 | Porsche | 911 | 3.0L H6 |
| 2021 - 2025 | Porsche | 911 | 3.0L H6, 3.7L H6 |
| 2019 - 2023 | Porsche | Cayenne | 2.9L 177 V6, 3.0L 183 V6, 4.0L 244 V8 |
| 2024 - 2026 | Porsche | Cayenne | 3.0L 183 V6, 4.0L 244 V8 |
| 2019 | Porsche | Macan | 3.0L 183 V6 |
| 2020 - 2021 | Porsche | Macan | 2.9L 177 V6, 3.0L 183 V6 |
| 2022 - 2026 | Porsche | Macan | 2.9L 177 V6 |
| 2017 - 2018 | Porsche | Panamera | 2.9L 177 V6, 4.0L 244 V8 |
| 2019 - 2020 | Porsche | Panamera | 2.9L 177 V6, 3.0L 183 V6, 4.0L 244 V8 |
| 2021 - 2023 | Porsche | Panamera | 2.9L 177 V6, 4.0L 244 V8 |
| 2024 | Porsche | Panamera | 2.9L 177 V6 |
| 2025 - 2026 | Porsche | Panamera | 2.9L 177 V6, 4.0L 244 V8 |