About this part
What it does. Dayco POLY RIB BELT, DAYCO Dayco 311-5040382 drives engine accessories such as the alternator, water pump and air-conditioning compressor.
Symptoms that point to this part
- Squealing on cold start
- Visible cracking or glazing
- Accessories losing power
Fitment. Catalogued as fitting 2022–2025 Mercedes-Benz Sl55 Amg, 2024–2025 Mercedes-Benz Amg Gt 55, 2025 Mercedes-Benz Amg Gt 63, 2022–2024 BMW 330e, 2021–2023 BMW X5, 2020–2023 BMW 530e, 2022–2023 Mercedes-Benz Sl63 Amg, 2020–2022 BMW 530e Xdrive, 2021–2022 BMW 330e Xdrive, 2020–2022 BMW X3, 2021 Mercedes-Benz Amg Gt, 2021 BMW 745e Xdrive, 2020 Mercedes-Benz Amg Gt R, 2020 Mercedes-Benz Amg Gt R Pro, 2019 Mercedes-Benz Amg Gt C, 2019 Mercedes-Benz Amg Gt S. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.
Fits these vehicles
- 2025 Mercedes-Benz Sl55 Amg
- 2025 Mercedes-Benz Amg Gt 55
- 2025 Mercedes-Benz Amg Gt 63
- 2024 BMW 330e
- 2024 Mercedes-Benz Sl55 Amg
- 2024 Mercedes-Benz Amg Gt 55
- 2023 BMW 330e
- 2023 BMW X5
- 2023 BMW 530e
- 2023 Mercedes-Benz Sl63 Amg
- 2022 BMW 530e Xdrive
- 2022 Mercedes-Benz Sl55 Amg
- 2022 BMW 530e
- 2022 BMW 330e
- 2022 BMW 330e Xdrive
- 2022 BMW X3
- 2022 Mercedes-Benz Sl63 Amg
- 2021 BMW X5
- 2021 BMW 330e Xdrive
- 2021 Mercedes-Benz Amg Gt
- 2021 BMW 530e
- 2021 BMW 745e Xdrive
- 2020 Mercedes-Benz Amg Gt R
- 2020 BMW X3
- 2020 BMW 530e Xdrive
- 2020 Mercedes-Benz Amg Gt R Pro
- 2020 BMW 530e
- 2019 Mercedes-Benz Amg Gt C
- 2019 Mercedes-Benz Amg Gt S