About this part
What it does. Dayco POLY RIB BELT, DAYCO Dayco 311-5080418 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 2024 GMC Sierra 3500 Hd, 2024 Chevrolet Silverado 2500 Hd, 2022 Chevrolet Silverado 3500 Hd, 2021 GMC Sierra 2500 Hd. Engine, sub-model and trim can narrow fitment further, so check those attributes on the listing before ordering.