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The Dayco Top Cog V-Belt stands out because its top-cog construction improves flexibility over standard wrapped belts. This extra flexibility matters on smaller pulleys and compact accessory-drive systems, where a standard belt may not wrap as cleanly. Its classical V-belt profile also keeps the product aligned with applications that do not use serpentine drives. For customers needing a belt that bends more easily while maintaining the correct profile, the Dayco 17490 top cog V-belt delivers the right combination of flexibility and fit.
| Top Width | .53 in |
| Effective Length | 49 in |
| Effective Length | 1244.60 mm |
| Outside Circumference | 49.27 in |
| Outside Circumference | 1251.46 mm |
| Angle | 36 Degrees |
| Material | Synthetic Rubber Compound |
| Belt Construction | Bottom Cog |
| Banded Belt | N |
| Color | Black |
| Standards | SAE J636, SAE J637 |
| Minimum Operating Temperature | -37.2 C |
| Maximum Operating Temperature | 79.4 C |
| Minimum Operating Temperature | -35 F |
| Maximum Operating Temperature | 175 F |
| Country of Origin (Primary) | ID |
| Harmonized Tariff Code (Schedule B) | 4010323000 |
| UPC | 00036687108777 |
| Brand | Part Number |
|---|---|
| DCO17490 | |
| AC DELCO | 17490, 2T17490, 9490HD |
| ALFA ROMEO | 105.12.10.103.00 |
| ALLIS CHALMERS | 1166813, 4023408 |
| AMC | 3188943 |
| AMERICAN MOTORS | 3188943 |
| ATLAS | 7490 |
| AUSTIN WESTERN | PGF19429A |
| AUTOCAR | 03-1107873 |
| BANDO | B3480, 3480, RPF3480, 4490 |
| BWP-NSI | CT17491 |
| CARQUEST | 2/9490PB, 9490, 9490HD |
| CARRIER-TRANSICOLD | 16000113D |
| CASE | 01-9344, A135826, A139089, A17490, A33679, A34820, K308448, L50593, L57802 |
| CATERPILLAR | 3K3408, 4P-0454, 5N6350, 7E1362, 9L4091 |
| CONTINENTAL AG | 17491 |
| COOLAIRE | 1947 |
| CUMMINS | 182808, 3040308 |
| DAIMLER | A0039970792K7 |
| DELCO REMY | 1965306 |
| DETROIT DIESEL | 5109109, 5126771 |
| DRIVEWORKS | 49017 |
| DYNACRAFT | D1102-0216 |
| Duralast | 17490 |
| FIAT ALLIS | 73075784 |
| FORD | C7TA-8620-A, C7TZ-8620-A, C8HA-8620-AA, C8HA-8620-S, C8HS-8620-AA, C8HT-8620-AA, C9PZ-8620-FP, D0AE-8620-D, D5TE-8620-HA, D5TE-8A615-BA, D8AE-8620-BA, E4HT-8A615-FA, F6HT-8620-AAB, F6HZ-8620-S, F7HT-8620-VA, XC45-8620-MA |
| FREIGHTLINER | GT17492, GTFLN9490 |
| FRESH START | 17490 |
| FiatAllis | 73075784 |
| GATES | 2/9490PB, 8279, 8605, 9490, 9490HD |
| GATES (Canada) | 13A1245 |
| GERLINGER | C629028C8 |
| GOODYEAR | 17490, 17491 |
| GOODYEAR BELTS | 17490 |
| General Motors | 2484214, 3947147, 9433903, 960516 |
| HOUGH | 189527H1 |
| INTERNATIONAL/NAVISTAR | 190502-R2, 3513247C1, 358313-C91, 385738-R1, 446193-C1, 446193-C91 |
| ITM | L51-17490 |
| JOHN DEERE | H77683, H86275 |
| KUBOTA | 07510-00048, A48 |
| LAZORLITE | L38-1245 |
| MACK | 25154441, 88GB354P32, 88GB439P491 |
| MASSEY-FERGUSON | 189976M1, 194605M1, 525833M1 |
| MASTERPRO | 9490 |
| MBL THREE STAR | 17490 |
| MERCEDES-BENZ | 003.997.07.92 |
| MERCURY MARINE | 12.5X1250G, 2218 |
| MIGHTY | 17490 |
| MITSUBOSHI | MF6480 |
| MOPAR | B17491A, B17494A |
| MOTORCRAFT | JC-487, JC-493, JC-495, JC493 |
| NAPA | 25-12455, 25-12455-2, 25-9490, 25-9490-2, 25-9490HD |
| NAPA POWERFIT | 17490 |
| NAVISTAR | FLTBT17490 |
| NEOPLAN | 17490 |
| NIPPONDENSON | 90871-12005 |
| Navistar | 190502-R2, 3513247C1, 358313-C91, 385738-R1, 446193-C1, 446193-C91 |
| OPTIBELT | 12.5X1245 |
| PERKINS | NA000192, NA000553 |
| PIRELLI | 17-490 |
| PLEASURE CRAFT | R-066004 |
| THERMO KING | 2028B89H52 |
| THERMO-ELECT | 1104556 |
| THOMAS BUS | 61160517, 862880R2 |
| TOYOTA | 90916-02083, 90916-02088, 99522-11270, 90916-02083-77, 90916-02088-77, 90916-02088-83, 99322-11270, 99522-11263, 99522-11270-85 |
| UNIROYAL | 17490 |
| VOLVO | 80222-0016, 80222-0021, 80222-8004, 966-388-6135, 967191, V1090979, 1090979 |
| WAUKESHA | 197003 |
| WHITE | 02-7001391, 02-7015398, 02-7104601, 20804-5039, 30-3075079, 30-3075087, 700825, 966388, 967255, V1090822 |
| YAZOO | 205-3487 |
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For over 100 years, Dayco® has been a world leader in the development, manufacture, and distribution of essential engine drive components for the aftermarket sector. Its catalog covers a wide range of drive system components for various applications, including automotive, truck, construction, agriculture, industrial machinery, and hybrid electric vehicles. For heavy duty trucks and buses, Dayco specializes in serpentine and V-belts, vibration dampers, thermostats, water pumps, expansion tanks, and gaskets. Dayco parts are built with durability in mind, using high-grade materials and tested in compliance with the latest standards set by the automotive industry. These result in parts that are superior in reliability, performance, and service life over the competition.
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