About this part
What it does. Dayco POLY RIB BELT, DAYCO Dayco 311-5060835 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 2020–2022 Mercedes-Benz C43 Amg, 2021 Dodge Durango, 2020 Mercedes-Benz E450, 2020 Mercedes-Benz Glc43 Amg, 2019–2020 Mercedes-Benz Slc43 Amg, 2019–2020 Mercedes-Benz Sl450, 2019 Mercedes-Benz Gls450, 2019 Mercedes-Benz Gle43 Amg. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.