# APR EA825/EA839/9A2 Iridium Pro Spark Plug - Heat Range 10 - 12mm x 26.5mm x 14mm - SINGLE 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. - 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum. - Heat range 10 spark plug (Similar: Bosch 2, Brisk 8, Denso 31, and NGK 10) - 1 step colder older than OEM (2.9T/3.0T EA829, 2.0T/2.5T/3.0T/3.7T 9A2) - Optimized electrode design for hard to ignite fuels, such as ethanol - Designed for high performance / tuned vehicle applications - Cooler operating temperature than stock plugs - Resists preignition better than stock plugs - An excellent match for APR ignition coils - 2 steps colder than OEM (4.0T EA825) - Stronger than copper and platinum - Perfect for upgraded APR vehicles - Lower required supplied voltage - Non-projected insulator design - Supplied Gap: .55mm +- .05mm - Insulator Material: Ceramic - Thread diameter: 12mm - Install Torque: 17 Nm - Thread reach: 26.5mm - Seat Type: Gasket - Made in the EU - Hexagon: 14mm This Part Fits: Year Make Model Submodel 2020-2026 Audi A6 allroad Premium Plus 2020-2026 Audi A6 allroad Prestige 2019-2026 Audi A6 Quattro Premium 2019-2026 Audi A6 Quattro Premium Plus 2019-2026 Audi A6 Quattro Prestige 2019-2025 Audi A7 Sportback Premium 2019-2025 Audi A7 Sportback Premium Plus 2019-2025 Audi A7 Sportback Prestige 2019-2026 Audi A8 Quattro L 2020-2021 Audi A8 Quattro L Plug-In Hybrid 2020-2026 Audi Q7 Premium 2020-2026 Audi Q7 Premium Plus 2020-2026 Audi Q7 Prestige 2019-2026 Audi Q8 Premium 2019-2026 Audi Q8 Premium Plus 2019-2026 Audi Q8 Prestige 2020-2026 Audi RS Q8 Base 2018-2019,2021-2024 Audi RS5 Base 2019,2021-2025 Audi RS5 Sportback Base 2021-2023 Audi RS6 Avant Base 2025 Audi RS6 Avant GT 2024-2026 Audi RS6 Avant Performance 2021-2023 Audi RS7 Sportback Base 2024-2026 Audi RS7 Sportback Performance 2019-2025 Audi S4 Premium 2018-2025 Audi S4 Premium Plus 2018-2025 Audi S4 Prestige 2019-2027 Audi S5 Premium 2018-2026 Audi S5 Premium Plus 2018-2026 Audi S5 Prestige 2020-2025 Audi S5 Sportback Premium 2018-2025 Audi S5 Sportback Premium Plus 2018-2025 Audi S5 Sportback Prestige 2023-2025 Audi S6 Premium 2020-2025 Audi S6 Premium Plus 2020-2025 Audi S6 Prestige 2023-2025 Audi S7 Sportback Premium 2020-2025 Audi S7 Sportback Premium Plus 2020-2025 Audi S7 Sportback Prestige 2020-2026 Audi S8 Base 2019-2026 Audi SQ5 Premium 2018-2026 Audi SQ5 Premium Plus 2018-2026 Audi SQ5 Prestige 2021-2026 Audi SQ5 Sportback Premium 2021-2026 Audi SQ5 Sportback Premium Plus 2021-2026 Audi SQ5 Sportback Prestige 2020-2026 Audi SQ7 Premium Plus 2020-2026 Audi SQ7 Prestige 2020-2026 Audi SQ8 Premium Plus 2020-2026 Audi SQ8 Prestige 2026 Bentley Bentayga Atelier Edition 2026 Bentley Bentayga Atelier Edition Hybrid 2023-2026 Bentley Bentayga Azure 2023-2026 Bentley Bentayga Azure Hybrid 2026 Bentley Bentayga Base 2020-2026 Bentley Bentayga Hybrid 2023 Bentley Bentayga Odyssean Edition 2022-2025 Bentley Bentayga S 2025 Bentley Bentayga S Black Edition 2025 Bentley Bentayga S Black Edition Hybrid 2023-2025 Bentley Bentayga S Hybrid 2026 Bentley Bentayga Speed 2019-2025 Bentley Bentayga V8 2026 Bentley Bentayga EWB Atelier Edition 2026 Bentley Bentayga EWB Azure 2023 Bentley Bentayga EWB Azure First Edition 2023-2025 Bentley Bentayga EWB Azure V8 2026 Bentley Bentayga EWB Base 2024-2026 Bentley Bentayga EWB Mulliner 2023-2025 Bentley Bentayga EWB V8 2020-2024 Bentley Continental GT 2023-2024 Bentley Continental GT Azure 2025-2026 Bentley Continental GT Mulliner 2023-2024 Bentley Continental GT S 2025-2026 Bentley Continental GT Speed 2025-2026 Bentley Continental GTC Mulliner 2025-2026 Bentley Continental GTC Speed 2026 Bentley Flying Spur Azure 2023-2024 Bentley Flying Spur Azure Hybrid 2026 Bentley Flying Spur Base 2022-2024 Bentley Flying Spur Hybrid 2022-2026 Bentley Flying Spur Mulliner 2023-2024 Bentley Flying Spur Odyssean Edition 2023-2024 Bentley Flying Spur S 2023-2024 Bentley Flying Spur S Hybrid 2025-2026 Bentley Flying Spur Speed 2021-2024 Bentley Flying Spur V8 2019-2022 Lamborghini Urus Base 2023 Lamborghini Urus EVO 2023-2025 Lamborghini Urus Performante 2023-2025 Lamborghini Urus S 2025-2027 Lamborghini Urus SE 2017-2025 Porsche 718 Boxster Base 2018-2019 Porsche 718 Boxster GTS 2017-2025 Porsche 718 Boxster S 2024-2025 Porsche 718 Boxster Style Edition 2020-2023 Porsche 718 Boxster T 2017-2025 Porsche 718 Cayman Base 2018-2019 Porsche 718 Cayman GTS 2017-2025 Porsche 718 Cayman S 2024-2025 Porsche 718 Cayman Style Edition 2020-2023 Porsche 718 Cayman T 2020-2025 Porsche 911 Carrera 2020-2024 Porsche 911 Carrera 4 2022-2024 Porsche 911 Carrera 4 GTS 2020-2024 Porsche 911 Carrera 4S 2022-2024 Porsche 911 Carrera GTS 2020-2025 Porsche 911 Carrera S 2023-2025 Porsche 911 Carrera T 2023-2024 Porsche 911 Dakar 2023 Porsche 911 Edition 50 Years Porsche Design 2023 Porsche 911 Sport Classic 2021-2024 Porsche 911 Targa 4 2022-2024 Porsche 911 Targa 4 GTS 2021-2024 Porsche 911 Targa 4S 2021 Porsche 911 Targa 4S Heritage Design Edition 2021-2025 Porsche 911 Turbo 2025 Porsche 911 Turbo 50 Years 2021-2025 Porsche 911 Turbo S 2019-2026 Porsche Cayenne Base 2020-2026 Porsche Cayenne Coupe 2023 Porsche Cayenne Coupe Platinum Edition 2019-2026 Porsche Cayenne E-Hybrid 2020-2026 Porsche Cayenne E-Hybrid Coupe 2023 Porsche Cayenne E-Hybrid Coupe Platinum Edition 2023 Porsche Cayenne E-Hybrid Platinum Edition 2021-2023,2025-2026 Porsche Cayenne GTS 2021-2023,2025-2026 Porsche Cayenne GTS Coupe 2022-2023 Porsche Cayenne Platinum Edition 2019-2026 Porsche Cayenne S 2020-2026 Porsche Cayenne S Coupe 2023 Porsche Cayenne S Coupe Platinum Edition 2024-2026 Porsche Cayenne S E-Hybrid 2024-2026 Porsche Cayenne S E-Hybrid Coupe 2022-2023 Porsche Cayenne S Platinum Edition 2019-2023 Porsche Cayenne Turbo 2020-2023 Porsche Cayenne Turbo Coupe 2024-2026 Porsche Cayenne Turbo E-Hybrid 2024-2026 Porsche Cayenne Turbo E-Hybrid Coupe 2022-2026 Porsche Cayenne Turbo GT Coupe 2020-2023 Porsche Cayenne Turbo S E-Hybrid 2020-2023 Porsche Cayenne Turbo S E-Hybrid Coupe 2020-2026 Porsche Macan GTS 2019-2026 Porsche Macan S 2020-2021 Porsche Macan Turbo 2019-2026 Porsche Panamera 4 2018-2023,2025-2026 Porsche Panamera 4 E-Hybrid 2018-2023 Porsche Panamera 4 E-Hybrid Executive 2022-2023 Porsche Panamera 4 E-Hybrid Platinum Edition 2018-2023 Porsche Panamera 4 E-Hybrid Sport Turismo 2019-2023 Porsche Panamera 4 Executive 2022-2023 Porsche Panamera 4 Platinum Edition 2019-2023 Porsche Panamera 4 Sport Turismo 2017-2023 Porsche Panamera 4S 2021-2023,2025-2026 Porsche Panamera 4S E-Hybrid 2021-2023 Porsche Panamera 4S E-Hybrid Executive 2021-2023 Porsche Panamera 4S E-Hybrid Sport Turismo 2017-2023 Porsche Panamera 4S Executive 2018-2023 Porsche Panamera 4S Sport Turismo 2019-2026 Porsche Panamera Base 2019-2023,2025-2026 Porsche Panamera GTS 2019-2023 Porsche Panamera GTS Sport Turismo 2022-2023 Porsche Panamera Platinum Edition 2017-2020 Porsche Panamera Turbo 2025-2026 Porsche Panamera Turbo E-Hybrid 2017-2020 Porsche Panamera Turbo Executive 2021-2023 Porsche Panamera Turbo S 2018-2023,2025-2026 Porsche Panamera Turbo S E-Hybrid 2018-2023 Porsche Panamera Turbo S E-Hybrid Executive 2018-2023 Porsche Panamera Turbo S E-Hybrid Sport Turismo 2021-2023 Porsche Panamera Turbo S Executive 2021-2023 Porsche Panamera Turbo S Sport Turismo 2018-2020 Porsche Panamera Turbo Sport Turismo ## Details - **Price:** 60.58 CAD - **Vendor:** APR - **Type:** Spark Plugs ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 60.58 CAD | In stock | ## Images - Photo - Primary - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Photo - out of package - Installation Instructions - Photo - out of package - Photo - out of package --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/apr-ea825-ea839-9a2-iridium-pro-spark-plug-heat-range-10-12mm-x-26-5mm-x-14mm-single) > Updated: 2026-07-15