About this part
What it does. Dayco POLY RIB BELT, DAYCO Dayco 311-5060820 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 2021–2022 Dodge Durango, 2020–2022 Chrysler 300, 2020 Dodge Challenger. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.