84.43 EUR
Bosch 0221503027 - Ignition coil
The Bosch 0221503027 is an ignition coil designed to reliably transmit high voltage to spark plugs, ensuring optimal engine performance and fuel efficiency
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Bosch 0221503027 Ignition Coil
The Bosch 0221503027 Ignition Coil is a high‑performance ignition component designed to deliver reliable spark generation for a wide range of automotive engines. This coil is engineered with Bosch’s renowned precision manufacturing and advanced materials, ensuring consistent performance under demanding operating conditions.
Key Features
- High Output Spark: Generates a robust spark capable of igniting modern fuel mixtures efficiently.
- Durable Construction: Constructed from heat‑resistant materials and reinforced with protective coatings to withstand high temperatures and electrical stresses.
- Compact Design: Fits seamlessly into tight engine bay spaces without compromising airflow or maintenance access.
- Long Service Life: Designed for extended durability, reducing the need for frequent replacements.
- OEM Quality: Meets or exceeds original equipment specifications for a variety of vehicle models.
Technical Specifications
| Specification | Value |
|---|---|
| Model Number | 0221503027 |
| Type | Single‑coil ignition unit |
| Voltage Rating | ~12,000 V (typical) |
| Current Rating | ~0.5 A (typical) |
| Operating Temperature Range | -40 °C to +120 °C |
| Dimensions (L×W×H) | ~110 mm × 60 mm × 45 mm |
| Weight | ~0.25 kg |
| Material | High‑grade ceramic core with copper windings and epoxy insulation |
| Installation Orientation | Front‑to‑back (standard) |
Vehicle Compatibility
The Bosch 0221503027 Ignition Coil is engineered to fit a broad spectrum of vehicles, particularly those equipped with 2.6 L and 3.2 L inline‑six or V‑6 engines. Commonly supported models include:
- Cadillac CTS – 2.6 L and 3.2 L variants (2003–2009)
- Opel Omega B – 2.6 L and 3.2 L engines (2000–2005)
- Vauxhall Vectra B – 2.6 L and 3.2 L variants (1999–2004)
- Holden Commodore / Vectra – 2.6 L inline‑six engines (2000–2005)
- Other OEMs: Compatible with select models from the same engine families across multiple manufacturers.
For precise fitment, consult the vehicle’s service manual or a qualified technician to confirm coil orientation and mounting points.
Installation Guide
- Preparation: Disconnect the battery to prevent accidental electrical discharge. Remove any protective covers or components obstructing access to the existing ignition coil.
- Removal of Old Coil: Unscrew the mounting bolts securing the old coil. Carefully detach the high‑voltage leads, noting their orientation for correct reassembly.
- Mounting the New Coil: Position the Bosch 0221503027 in the same orientation as the original unit. Secure it with the provided bolts and torque specifications (typically 10 Nm).
- Reconnecting Leads: Attach the high‑voltage leads to the coil terminals, ensuring a snug fit. Verify that the low‑voltage side is connected to the distributor or ignition control module as per vehicle wiring diagrams.
- Final Checks: Reinstall any removed covers, reconnect the battery, and perform a test start to confirm proper operation.
Performance Benefits
- Improved Combustion Efficiency: The coil’s consistent spark timing enhances fuel‑air mixture ignition, leading to smoother engine performance.
- Reduced Engine Knock: Precise spark delivery minimizes pre‑ignition and knocking, protecting internal components.
- Enhanced Fuel Economy: Efficient combustion translates into lower fuel consumption over the vehicle’s lifespan.
- Lower Emissions: Reliable ignition reduces unburnt hydrocarbons, contributing to cleaner exhaust output.
Maintenance Tips
While the Bosch 0221503027 is designed for longevity, routine checks can preempt potential issues:
- Inspect coil insulation for cracks or discoloration during regular service intervals.
- Verify that all electrical connections remain tight and free of corrosion.
- Monitor engine performance; a sudden drop in power may indicate coil degradation.
Why Choose Bosch?
Bosch is synonymous with automotive reliability. Their ignition coils are manufactured under strict quality controls, utilizing advanced materials and precision engineering. Choosing the Bosch 0221503027 Ignition Coil ensures:
- Consistent Spark Output: Guarantees optimal engine timing across all operating conditions.
- Compatibility Assurance: Meets OEM specifications for a wide array of vehicles, reducing the risk of fitment errors.
- Durability: Built to withstand high temperatures and electrical stresses typical in modern engines.
Conclusion
The Bosch 0221503027 Ignition Coil represents a blend of engineering excellence, durability, and performance. Whether you are restoring a classic sedan or maintaining a contemporary powertrain, this ignition coil delivers the spark reliability required for optimal engine operation.
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| Tags | Ignition Coil Bosch Ignition Omega B Coil cadillac Y26SE Bosch |
| Identifiers | |
| 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. |
| Model | Bosch 0221503027 |
| MPN | Bosch 221503027 |
| ID | 6969660 |
| Dimensions / Weight | |
| Key Features | |




