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For consistent engine cooling and reliable accessory drive, genuine Sinotruk howo parts are the proven solution. The 13X1080 Fan Belt is a critical component that drives the engine cooling fan, water pump, and alternator, ensuring optimal thermal management and electrical system performance. Manufactured from high-grade EPDM rubber with robust polyester tensile cords, this belt resists stretching, cracking, and glazing under extreme heat and load. The 13X1080 features a precision-molded V-profile that delivers maximum grip on pulleys, minimizing slippage and noise. Designed to meet exact OEM length and cross-section specifications, this belt offers a direct fit for SINOTRUK HOWO heavy-duty trucks, guaranteeing uninterrupted operation of vital engine components.
OEM reference 13X1080 – direct-fit fan belt for SINOTRUK HOWO diesel engines.
Fan Belt (EN)
Ремень вентилятора (RU)
Correa del ventilador (ES)
The fan belt is one of the hardest-working components in the engine bay, constantly exposed to high temperatures, rotational forces, and environmental contaminants. The 13X1080 is engineered with a heat-stabilized EPDM compound that maintains its flexibility and grip across a wide temperature range, from arctic cold to desert heat. Its polyester tensile cords provide exceptional dimensional stability, preventing stretching and ensuring consistent tension throughout the belt’s service life.
The belt’s V-shaped cross-section matches the pulley grooves precisely, delivering optimal friction and power transfer while reducing wear. The 13X1080 is 100% inspected for length, width, and angle, guaranteeing a proper fit without the need for shims or spacers. This belt is an essential maintenance item that ensures the cooling fan operates at full speed, preventing overheating and protecting the engine from thermal damage.
Polyester tensile cords provide outstanding strength and resistance to elongation, maintaining proper belt tension and preventing slippage.
The EPDM compound resists degradation from heat, oil, and ozone, ensuring long service life in harsh under-hood environments.
The precision V-profile ensures smooth engagement with pulleys, reducing belt noise and vibration for a quieter cabin.
The 13X1080 is manufactured to the precise length of 1080 mm and width of 13 mm, ensuring a perfect fit without modifications.
The engineering of the 13X1080 focuses on maximizing power transmission while minimizing parasitic losses. The belt’s V-section is optimized to provide maximum contact area with the pulley sides, allowing it to transmit the high torque required to drive the cooling fan, which can consume several kilowatts of power at high RPM. The polyester cords are embedded in a specially formulated rubber matrix that resists the effects of engine oil mist and coolant vapors, preserving belt flexibility and integrity over time. Each belt is tested for dynamic elongation and fatigue resistance, ensuring consistent performance across a wide range of operating conditions.
Installation of the 13X1080 is straightforward: loosen the alternator or tensioner, slip the old belt off, route the new belt around all pulleys according to the routing diagram, and re-tension to the specified deflection. Always inspect all pulleys for wear, alignment, and bearing condition before installing a new belt. After installation, start the engine and verify that the belt tracks straight and runs without chirping. A genuine OEM fan belt ensures that the cooling fan, water pump, and alternator all receive reliable drive power, protecting the engine from overheating and electrical failure.
| OEM Part Number | 13X1080 |
| Product Name | Fan Belt (V-belt) |
| Brand / Application | SINOTRUK HOWO (Heavy-duty diesel engines) |
| Length (effective) | 1080 mm |
| Width (top) | 13 mm (0.51″) |
| Angle | 40° (standard V-belt profile) |
| Temperature Range | -40°C to +120°C |
| Material | EPDM rubber with polyester tensile cords |
| Standards | ISO 4184, DIN 7753 |
All dimensions and performance ratings are verified against SINOTRUK HOWO factory specifications. Manufactured under ISO 9001:2015 quality control.
Over time, the fan belt can become glazed, cracked, or stretched, reducing its ability to drive the fan and alternator effectively. A slipping belt can cause the engine to overheat, the battery to discharge, or the water pump to operate at reduced speed, leading to coolant circulation issues. Replacing a worn belt with the 13X1080 restores full drive system performance and prevents costly breakdowns. It is recommended to inspect the belt every 25,000 km and replace it at 60,000–80,000 km intervals, or sooner if signs of wear appear.
Fleet maintenance data indicates that proactive fan belt replacement significantly reduces cooling system failures and alternator repairs. The 13X1080 offers superior resistance to heat and wear, making it a cost-effective investment for any SINOTRUK HOWO operator. Regular visual checks for cracks, glazing, or frayed edges are essential for maintaining reliable engine operation and avoiding roadside emergencies.
Inspect the belt visually for cracks, glazing, or missing sections. Check belt tension by pressing on the belt midway between pulleys; deflection should be approximately 10–12 mm for a used belt. Clean pulleys and remove any oil or debris that can cause slipping. Replace the belt if it shows any signs of wear or if the tension is out of specification. Always replace the belt as a set if multiple belts are used on the same drive system.
When installing a new 13X1080, ensure that the belt is properly seated in all pulley grooves and that the tensioner (if equipped) is functioning correctly. Re-tension the belt after the first 500 km of operation, as new belts may stretch slightly. A genuine OEM belt provides peace of mind and ensures that your engine cooling and charging systems operate at peak efficiency.
Squealing or screeching noise from engine
Visible cracks, glazing, or fraying
Engine temperature gauge reading high
If you notice any of these signs, inspect the fan belt immediately. Replace it with the 13X1080 if any damage is evident. A failing fan belt can lead to sudden loss of cooling and charging, resulting in engine damage and costly towing. Always use a genuine OEM belt to ensure the correct fit and reliable performance. Protect your engine with the best replacement part.
Summary: The 13X1080 Fan Belt is a vital component for maintaining engine cooling and electrical system reliability in SINOTRUK HOWO trucks. Its durable EPDM construction, precise dimensions, and high tensile strength make it the ideal replacement for worn or damaged belts. Choose OEM quality to keep your engine running cool and your battery charged.