About this part
What it does. Dayco POLY RIB BELT, DAYCO Dayco 311-5060715 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 2019–2022 GMC Sierra 1500 Limited, 2020 GMC Yukon Xl, 2020 Chevrolet Suburban, 2019–2020 Chevrolet Tahoe, 2019–2020 GMC Yukon, 2020 Cadillac Escalade, 2019 Cadillac Escalade Esv. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.