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 price2021 Cadillac CT5 Belts
9 products listed for this model year in the retailer catalog. Check engine and trim details before ordering.
Back to 2021 Cadillac CT5 parts
Carquest Serpentine Belt: 34.0" Long, 5 Rib Count, 340K5
In stock
$22.99
Listed as compatible with this vehicle by the retailer feed.
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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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Driveworks Poly Rib Belt Serpentine Belt 34.06 Long, 5 Rib Count, 340K5
In stock
$22.99
Listed as compatible with this vehicle by the retailer feed.
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Dayco Poly Rib Belt Serpentine Belt 34.06 Long, 5 Rib Count, 5050340
In stock
$29.99
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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Litens Tensioner Pulley, Direct Fit, Steel, 65Mm Diameter, 999667A
In stock
$50.99
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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Dayco Poly Rib Belt Serpentine Belt 57 Long, 6 Rib Count, 5060570
In stock
$64.99
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.