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IDLER/TENSIONER PULLEY, HD, DAYCO
Quiet a rattling or vibrating accessory drive with the Dayco Accessory Drive Belt Idler Pulley, replacing a bearing that's developed play or lost its smooth rotation. Heavy-duty construction inside handles the constant radial load an idler pulley carries, since unlike a driven pulley, it exists purely to route belt tension rather than transfer power. A pulley bearing that's worn enough to wobble transmits that vibration directly into the belt, accelerating rib wear at the exact point of contact. The Dayco 89105 matches the bracket mounting and pulley diameter the accessory drive's routing was designed around.
| Belt Type | Serpentine |
| 1068 | 74 MM |
| Flat | Y |
| 256 | 32.8 mm |
| Max Belt Width | 08 Rib |
| Material | Steel |
| Number of Bearings | 2 |
| Bearing Inner Diameter 1 | 17 mm |
| Bearing Inner Diameter 2 | 17 mm |
| Bearing Width | 24 mm |
| Outside Diameter | 74 MM |
| Width | 32.8 MM |
| Country of Origin (Primary) | US |
| Harmonized Tariff Code (Schedule B) | 8483509080 |
| UPC | 00036687186973 |
| Brand | Part Number |
|---|---|
| 4 SEASONS | 45105 |
| 4-SEASONS | 45105 |
| AC DELCO | 36095 |
| BANDO | 580171 |
| BWP-NSI | CT49102 |
| CARQUEST | 36095 |
| CATERPILLAR | 178-1324, 4P-3633, 7E-0339 |
| CONTINENTAL AG | 49102 |
| CUMMINS | 3103249, 3680194, 3924026, 3929428, 3930269, 3930769, 3934814, 3934815, 3934816, 3936197, 3936198, 3976833, 3978021, 4026775, 4059201, 4071248 |
| Continental Elite | 49102 |
| Cummins | 3104027 |
| DYNACRAFT | D1186-5240 |
| Duralast | 89105 |
| FOUR SEASONS | 934154, 45105 |
| FREIGHTLINER | 01-27425-000 |
| GATES | 36095, 38075 |
| GOODYEAR | 49102 |
| GOODYEAR BELTS | 58035 |
| HAYDEN | 5105 |
| LITENS | 900041A, 900116A |
| NAPA | 36095 |
| TENDECO | 900116 |
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