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When engine temperatures rise during heavy operation or slow-moving traffic, the Horton Air Operated Fan Clutch helps bring airflow back into balance. This air-operated unit engages the cooling fan when needed, allowing more air to pass through the radiator. It responds to system input so the fan activates at the right time instead of running constantly. This approach helps manage airflow demand without placing unnecessary load on the engine. Because airflow control is key in engine cooling systems, the Horton 99A8652 supports that function with its DriveMaster Advantage setup.
| BELT CONFIGURATION | - |
| BACK PULLEY DIAMETER | 7.49 |
| Center of JB To Top Right Mounting Hole | - |
| HORIZONTAL MOUNTING DISTANCE | 4.41 |
| VERTICAL MOUNTING DISTANCE | 2.01 |
| FAN PILOT DIAMETER | 2.56 |
| Fan Bolt Circle | 3.5 |
| FRONT PULLEY DIAMETER | - |
| Country of Origin (Primary) | US |
| Harmonized Tariff Code (Schedule B) | 8483604040 |
| Harmonized Tariff Code (HTS) | 8483604040 |
| NAFTA Preference Criterion Code | B |
| OEM's Part Number | 98A8652 |
| Warranty Distance | 300000 |
| Warranty Distance UOM | DH |
| Warranty Special | 7500 Hours |
| Warranty Special UOM | TX |
| Warranty Time | 36 |
| Warranty Time UOM | MO |
| VMRS Code | 042003131 |
| Brand | Part Number |
|---|---|
| G2MZ1104AH, HOR99A8652 | |
| Daimler Truck North America | HOR 99A8652X |
| Freightliner | HOR 99A8652, HOR 99A8652X |
| Horton | 79A8652, 98A8652 |
| KIT MASTERS | 98652 |
| MCI | HOR99A8652 |
| Mack | 3912-99A8652 |
| NAVISTAR | FLT98652 |
| NAVISTARPFC | FLT98652 |
| Navistar | HOR99A8652, ZBH99A8652 |
| Paccar Parts | 99A8652H0R |
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Horton® is a world-renowned manufacturer of high-grade engine cooling solutions for the trucking industry for over 65 years. This company believes that improved airflow translates to better performance, reduced emissions, more significant fuel savings, and happy customers. Horton offers best-in-class fans, fan drives, and clutches for on-highway big rigs like heavy-, medium-, and light-duty trucks, R.V.s, buses, refuse vehicles, commercial vehicles, and other applications. This company also takes pride in its off-highway and heavy-duty products, including sweepers, agricultural tractors, mining trucks, aerial work platforms, excavators, generators, articulated vehicles, and industrial compressors. Made to operate in harsh environments, these Horton products withstand temperature extremes, dust, dirt, chemicals, as well as stop-and-go driving. For truck parts that consume less fuel, last longer, and run quieter, trust no other brand than Horton.
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