194.71 EUR
Bosch 0986047280 Alternator
Alternator Charge Current [A]: 100Alternator type: excl. vacuum pump Belt Pulley Ø [mm]: 54Distance from pulley to alternator [mm]: 54,6Fastening Type: Double Pivot Lever Length [mm]: 152Number of grooves: 5
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BOSCH 0986047280 Alternator
The BOSCH 0986047280 Alternator is a high‑performance charging unit designed to deliver reliable power for a wide range of automotive applications. With its robust construction and advanced electronic control, this alternator ensures consistent voltage output, efficient energy conversion, and extended service life.
Key Technical Specifications
- Model Number: 0986047280 (also referenced as 986047280)
- Output: 100 A
- Voltage Regulation: 14 V (standard automotive charging voltage)
- Rotor Type: Permanent magnet rotor for high efficiency and low heat generation.
- Stator Construction: Laminated steel core with copper windings to minimize eddy current losses.
- Operating Temperature Range: -40 °C to +120 °C, suitable for extreme climates.
- Mounting Options: Standard bolt pattern compatible with most OEM and aftermarket engine bays.
- Weight: Approximately 3.5 kg (7.7 lbs), balancing durability with ease of installation.
Design Features & Benefits
The alternator incorporates several engineering advancements that set it apart from conventional charging units:
- High‑Efficiency Permanent Magnet Rotor: Reduces internal losses, improving overall system efficiency and reducing heat buildup.
- Advanced Voltage Regulator: Integrated electronic regulator maintains a stable output of 14 V regardless of engine speed variations, protecting battery health and electrical accessories.
- Multiple Pulley Drive System: Allows for flexible belt routing and compatibility with various engine configurations.
- Robust Housing & Sealing: Designed to resist moisture, vibration, and thermal cycling, ensuring long-term reliability.
- Low Noise Operation: Optimized winding geometry minimizes acoustic emissions for a quieter driving experience.
Compatibility Overview
The BOSCH 0986047280 Alternator is engineered to fit a broad spectrum of vehicles, particularly those within the Opel, Vauxhall, Fiat, and Holden families. Common models that accept this alternator include:
- Opel Astra H (3/5‑door)
- Opel Astra GTC
- Opel Corsa C (X01) 1.2 L (2000‑2009)
- Vauxhall Astra Mk5 & Mk5 Sport Hatch
- Various Fiat and Holden models that share the same engine bay layout.
Engineers often recommend this alternator for replacement or upgrade projects where a higher current rating (100 A) is required to support modern infotainment systems, advanced driver‑assist technologies, and larger battery capacities.
Installation & Maintenance Guidelines
- Removal of Old Unit: Disconnect the battery negative terminal first. Remove the belt tensioner, then unbolt the existing alternator from its mounting brackets.
- Mounting New Alternator: Align the bolt pattern with the engine block, secure with torque specifications provided by Bosch (typically 20 Nm). Reinstall the belt and adjust tension to manufacturer’s recommendation.
- Electrical Connections: Connect the main battery cable, ground strap, and regulator wiring harness. Verify polarity and continuity before final tightening.
- Testing: Start the engine and monitor voltage output with a multimeter; it should stabilize around 14 V. Check for any abnormal noise or vibration.
- Routine Checks: Inspect belt condition, regulator function, and mounting bolts every 10,000 km or as part of scheduled maintenance.
Performance Highlights
Engineers and automotive technicians frequently cite the following performance attributes when evaluating this alternator:
- Consistent Voltage Regulation: Maintains a steady 14 V output across a wide range of engine speeds.
- High Current Capacity: 100 A rating supports power‑hungry accessories without compromising battery health.
- Thermal Management: Efficient heat dissipation keeps operating temperatures within safe limits, extending component life.
- Durability: Proven track record in harsh environments, from desert climates to sub‑arctic conditions.
Applications Beyond Passenger Cars
The alternator’s robust design also makes it suitable for light commercial vehicles, utility trucks, and even marine applications where reliable power generation is critical. Its modular pulley system allows easy adaptation to different belt sizes and engine configurations.
Conclusion
The BOSCH 0986047280 Alternator exemplifies Bosch’s commitment to quality, efficiency, and reliability in automotive power systems. With its high current output, precise voltage regulation, and versatile compatibility, it remains a preferred choice for technicians and vehicle owners seeking dependable electrical performance across a wide array of models.
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| Brand |  Bosch is a brand of power tools and appliances. The company was founded in 1886 and produces a wide range of power tools, appliances, and accessories. Bosch tools are known for their quality and durability, and the company is a leader in innovation and design. |
| MPN | Bosch 0986047280 |
| Model | Bosch 0986047280 |
| ID | 8277174 |
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