Audi Harmonic Balancer / Crankshaft / Crank Pulley 0P2105251B
OEM Part #: 0P2-105-251-B (0P2105251B)
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The harmonic balancer (sometimes referred to as the crankshaft pulley or engine crankshaft pulley), part number 0P2105251B, is a critical component located at the front of the engine's crankshaft. It plays a vital role in balancing engine vibrations and ensuring smooth operation. This part interfaces directly with the crankshaft, aiding in the proper function of the timing belt and accessory drive systems. Common symptoms indicating the need for replacement include excessive engine vibration, a damaged or cracked pulley, or abnormal noises during operation. This OEM part is compatible with Audi models such as the RS Q8, RS6 Avant, RS7 Sportback, S8, SQ7, and SQ8 from 2020 to 2024, all equipped with a 4.0L V8 engine. Authentic and factory-original, this harmonic balancer is essential for maintaining engine performance.
Specifications
| Fits Vehicle Model | A8, RS Q8, RS6, RS7, S8, SQ7, SQ8 |
| Fits Vehicle Make | Audi |
| OEM Part No | 0P2-105-251-B (0P2105251B) |
| Category | Rotating Assembly |
Compatible Vehicles
Fits 43 vehicle configurations across 1 make, 2019-2026.
View all 43 vehicle configurations
| Year | Make | Model | Trim | Engine | Note |
|---|---|---|---|---|---|
| 2019 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2020 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2020 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2020 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2020 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | A8 | Quattro L Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2021 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2021 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2021 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2021 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2022 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2022 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2022 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2022 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2023 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2023 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2023 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2023 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2024 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2024 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2024 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2024 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | RS6 | Wagon GT Wagon | 4.0L V8 Turbo | |
| 2025 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2025 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2025 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2025 | Audi | SQ7 | SUV | 4.0L V8 Turbo | |
| 2025 | Audi | SQ8 | SUV | 4.0L V8 Turbo | |
| 2026 | Audi | RS6 | Wagon Wagon | 4.0L V8 Turbo | |
| 2026 | Audi | RS7 | Hatchback | 4.0L V8 Turbo | |
| 2026 | Audi | RS Q8 | SUV | 4.0L V8 Turbo | |
| 2026 | Audi | S8 | Sedan | 4.0L V8 Turbo | |
| 2026 | Audi | SQ8 | SUV | 4.0L V8 Turbo |