Bosch 0221604014 - Ignition coil

BOSCH 0221604014 Ignition Coil

The Bosch 0221604014 is a high‑performance single ignition coil designed for modern gasoline engines that require precise spark delivery. It is engineered to meet or exceed OEM specifications, ensuring reliable ignition under a wide range of operating conditions.

Key Technical Specifications

• Model Number: 0221604014 (also referenced as 0 221 604 014)
• Type: Single spark plug coil (single‑coil configuration)
• Voltage Output: Up to 30 kV, suitable for 2.0 L and larger displacement engines
• Current Rating: 1.5–3 A (typical)
• Operating Temperature Range: –40 °C to +120 °C
• Dimensions: Approx. 70 mm × 45 mm × 30 mm (varies slightly by variant)
• Weight: ~0.25 kg
• Material: High‑grade ceramic insulator with a steel housing for durability and heat dissipation

Vehicle Compatibility

The coil is specifically engineered for use in several popular models, primarily within the Nissan and Renault families. Common applications include:

• Nissan Sentra (2007‑2010) – 2.0 L engine variants
• Renault Clio III (both hatchback and estate)
• Renault Laguna III (including Grandtour and BT0 models)
• Renault Micra C+C (K12, E11, NE11, C11)
• Nissan Qashqai, NV200, Evalia, and X‑Trail (various engine sizes)
• Opel Astra J (P10) – 1.6 L engines (2009‑2015)

These vehicles typically feature a single spark plug per cylinder, making the Bosch 0221604014 an ideal replacement or upgrade part.

Installation Overview

1. Preparation: Disconnect the battery to prevent accidental electrical discharge. Remove the existing ignition coil by loosening the mounting bolts and disconnecting the high‑voltage connector.
2. Mounting: Position the new Bosch coil in the same orientation as the original, ensuring that the mounting holes align with the engine block or cylinder head. Tighten the bolts to the manufacturer’s torque specification (typically 12–15 Nm).
3. Connection: Reconnect the high‑voltage connector securely. Verify that all wiring harnesses are routed away from moving parts and heat sources.
4. Testing: Reconnect the battery, start the engine, and observe for smooth idling and proper spark timing. If any misfires occur, double‑check the installation steps and ensure no debris is blocking the spark plug gap.

Performance Benefits

• Consistent Spark Delivery: The coil’s high voltage output ensures reliable ignition even under high load or extreme temperatures.
• Improved Fuel Efficiency: Precise spark timing reduces fuel consumption by up to 2 % in some engines.
• Reduced Emissions: Efficient combustion leads to lower CO₂ and NOx emissions, helping vehicles meet stringent environmental regulations.
• Long‑Term Durability: The robust ceramic insulator resists thermal degradation, extending the coil’s service life beyond typical aftermarket parts.

Maintenance Tips

• Inspect the high‑voltage connector for corrosion or wear every 10,000 km. Replace if necessary.
• Avoid exposing the coil to oil or coolant leaks; these can compromise insulation and lead to misfires.
• Use a spark plug gap tool to verify that the spark plugs remain within manufacturer‑specified gaps after installation.

Quality Assurance

The Bosch 0221604014 is manufactured in accordance with ISO/TS 16949 quality management standards. Each coil undergoes rigorous testing for voltage output, insulation resistance, and mechanical integrity before shipment.

Conclusion

Whether you are restoring a classic Nissan Sentra or upgrading the ignition system of a modern Renault Laguna, the Bosch 0221604014 Ignition Coil delivers reliable performance, durability, and compatibility. Its precise spark generation supports efficient combustion, lower emissions, and smoother engine operation—making it an essential component for any vehicle that demands high‑quality ignition.