Bosch 0986020230 Starter

Bosch 0986020230 Starter Motor

The Bosch 0986020230 Starter Motor is a high‑performance ignition component designed for modern automotive engines that operate on a 12‑volt electrical system. This starter delivers an output of 1.1 kW, ensuring rapid and reliable engine cranking even under demanding conditions such as cold weather or heavy load.

Key Technical Specifications

• Model Code: 0986020230
• Voltage: 12 V DC
Output Power: 1.1 kW (approximately 1,480 hp)
• Rotation Direction: Counter‑clockwise (free‑spinning)
• Gear Teeth Count: 10
• Length: 212 mm
• Weight: Approximately 2.5 kg (varies slightly by variant)
• Mounting Type: Standard bolt‑on with integrated mounting plate

Design and Construction

The starter motor incorporates Bosch’s proprietary high‑density copper windings that provide excellent electrical conductivity while minimizing heat buildup. The housing is fabricated from a robust aluminum alloy, offering superior thermal dissipation and resistance to corrosion. A sealed bearing system ensures long service life even in harsh operating environments.

Performance Characteristics

• Cranking Speed: Capable of delivering up to 5,000 rpm under load conditions typical for small‑to‑mid sized engines.
• Torque Output: Generates sufficient torque to start engines ranging from 1.6 L to 2.0 L displacement with both manual and automatic transmissions.
• Heat Management: Integrated heat sinks keep operating temperatures below 120 °C, preventing premature wear of internal components.

Compatibility Overview

The 0986020230 Starter Motor is engineered to fit a wide array of vehicles across several manufacturers. Below is an organized list of common models and engine configurations that are known to be compatible:

• Audi A3 (8P1, 8PA) – 1.6 L, 1.8 L, 2.0 L engines (2004‑2013)
• Audi TT (8J3, 8J9) – 2.0 L engines (2006‑2014)
• Audi Q3 – 1.6 L and 2.0 L engines (2007‑present)
• Seat Leon (1P1, 1.6 L, 2.0 L) – 2005‑2012 models
• Seat Altea & Altea XL – 1.6 L and 2.0 L engines (2004‑2013)
• Skoda Octavia (Mk2, Mk3) – 1.6 L, 1.8 L, 2.0 L engines (2004‑2013)
• Volkswagen Golf V & Golf Plus – 1.6 L and 2.0 L engines (2005‑2013)
• Volkswagen Polo (Mk5) – 1.4 L, 1.6 L engines (2006‑2009)
• Volkswagen Passat (8P1, 8PA) – 1.6 L, 1.8 L, 2.0 L engines (2005‑2014)
• Volkswagen Tiguan & Touareg – 1.4 L, 1.6 L, 2.0 L engines (2007‑present)
• Volkswagen Scirocco Mk3 – 2.0 L engine (2008‑2017)
• Volkswagen Touran & T5 – 1.6 L, 2.0 L engines (2003‑2009)
• Volkswagen Jetta Mk3/Mk4 – 1.4 L, 1.6 L, 2.0 L, 2.5 L engines (2005‑2017)

These compatibility details are based on the Bosch 02M911021B, 02M911023G, and 02M911023M reference numbers, which correspond to the 0986020230 starter motor. For precise fitment confirmation, consult the vehicle’s service manual or a qualified automotive technician.

Installation Guidelines

1. Disconnect Battery: Ensure the negative battery terminal is disconnected before beginning work to prevent electrical shock.
2. Remove Old Starter: Use appropriate socket sizes to detach the mounting bolts and carefully lift out the existing starter motor.
3. Align New Starter: Position the 0986020230 starter so that its gear teeth mesh correctly with the engine’s flywheel or flexplate. The counter‑clockwise rotation must be maintained to avoid damage.
4. Screw in Place: Tighten mounting bolts to the manufacturer’s specified torque (typically 30–35 Nm). Use a calibrated torque wrench for accuracy.
5. Reconnect Battery: Reattach the negative terminal and test engine start-up. Verify that the starter engages smoothly without excessive noise or vibration.

Maintenance Tips

• Inspect the starter’s electrical connections for corrosion; clean with a contact cleaner if necessary.
• Check the mounting bolts periodically for tightness, especially after heavy driving or rough terrain use.
• Avoid over‑charging the battery to prevent excessive current draw that could stress the starter motor.

Why Choose Bosch?

Bosch is renowned for its commitment to precision engineering, durability, and innovative technology. The 0986020230 starter motor benefits from decades of research in electric motor design, ensuring that it delivers consistent performance across a wide range of vehicles. Its robust construction and proven compatibility make it a reliable choice for both OEM replacements and high‑quality aftermarket installations.

Conclusion

The Bosch 0986020230 Starter Motor stands out as a versatile, high‑power component suitable for numerous modern vehicles. With its solid build quality, efficient design, and broad compatibility, it provides automotive technicians and enthusiasts with a dependable solution for engine starting challenges.