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(888) 312-8812 Login SignupPOLY RIB BELT, DAYCO
Accessory drive stability depends on maintaining belt grip during sudden load changes rather than steady operation. The Dayco Poly Rib Serpentine Belt uses an 8-rib profile to spread load across a wider contact area. That rib count matters when alternators, compressors, and other driven components demand torque at the same time. Belt length accuracy keeps tension within the intended range instead of forcing the tensioner to compensate. Material flexibility allows the Dayco 5080790 belt to conform to smaller pulleys without sacrificing rib contact. These factors work together to reduce slip under peak accessory demand.
| Rib Quantity | 8 |
| Top Width | 1.10 in |
| Effective Length | 78.94 in |
| Effective Length | 2005.08 mm |
| Outside Circumference | 79.57 in |
| Outside Circumference | 2021.08 mm |
| Rib Profile | Straight Rib |
| Material | EPDM, Aramid Reinforced |
| Cross Section | K-Section |
| Rib Depth | Standard |
| Color | Black |
| Standards | SAE J1459, SAE J2432 |
| Minimum Operating Temperature | -42.7 C |
| Maximum Operating Temperature | 100 C |
| Minimum Operating Temperature | -45 F |
| Maximum Operating Temperature | 212 F |
| Country of Origin (Primary) | AR |
| Harmonized Tariff Code (Schedule B) | 4010333000 |
| UPC | 00036687233370 |
| Brand | Part Number |
|---|---|
| DCO5080790 | |
| AC DELCO | 8K790, K080790HD, 8K791, K080791HD |
| BANDO | 791K8, 8PK2005, 8PK2010 |
| BWP-NSI | CT4080790 |
| CARQUEST | K080790, K080790HD, K080791 |
| CARRIER-TRANSICOLD | 506200082 |
| CASE | A78022, A78023 |
| CATERPILLAR | 248-6195, 260-1527, 263-4894, 334-1624 |
| CONTINENTAL AG | 4080790 |
| CUMMINS | 3289768, 3289779, 3910109, 3954659, 3955181, 51355410, 5256765 |
| Continental Elite | 4080790 |
| DAIMLER | A906 997 1292 |
| DETROIT DIESEL | A4719931196, A4719934096 |
| DYNACRAFT | D1102-7389 |
| FREIGHTLINER | 01-23415-109 |
| GATES | K080790, K080790HD, K080791, K080791HD |
| GOODYEAR | 1080790, 4080790 |
| GOODYEAR BELTS | 1080790 |
| General Motors | 19194167 |
| HYUNDAI | 2521082001 |
| INTERNATIONAL/NAVISTAR | 1841344C1, 1842460C1, 3578999C1, 3589393C1 |
| JOHN DEERE | N407525, R128206, R133518, R135608, R174754, R502086 |
| MERCEDES-BENZ | A9069938596 |
| NAPA | 25-080790, 25-080790HD, 25-080791, 25-080791HD |
| Navistar | 1841344C1, 1842460C1, 3578999C1, 3589393C1 |
| PIERCE MFG INC | 2535548 |
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