Driveworks Poly Rib Belt Serpentine Belt 42 Long, 5 Rib Count, 420K5
In stock
$21.99
Listed as compatible with this vehicle by the retailer feed.
Check price2020 Cadillac CT4 Belts
5 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2020 Cadillac CT4 parts
Carquest Serpentine Belt: 42.0" Long, 5 Rib Count, 420K5
In stock
$22.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 42 Long, 5 Rib Count, 5050420
In stock
$33.99
Listed as compatible with this vehicle by the retailer feed.
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Poly Rib Belt, Premium, Dayco, 5050653
In stock
$43.99
Listed as compatible with this vehicle by the retailer feed.
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Litens Overrunning Alternator Decoupling (Oad) Pulley - Original Equipment Quality, 920114A
In stock
$61.99
Listed as compatible with this vehicle by the retailer feed.
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This site contains affiliate links. We may earn a commission if you buy through them. We do not sell these products or guarantee merchant inventory. Compatibility is listed by the retailer feed for this vehicle; it is not an OEM confirmation. Catalog snapshot: Aug 15, 2026.