About this part
What it does. Dayco POLY RIB BELT, DAYCO Dayco 311-5060660 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 Chrysler 300, 2020 Dodge Challenger, 2019–2020 Lexus Rc300, 2019 Lexus Gs300. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.