52.15 EUR
NGK Genuine U2021 Ignition Coil 48080
The NGK 48080 is a genuine ignition coil designed for reliable performance in your vehicle. Featuring OE-quality materials and construction, this high-quality coil ensures optimal spark delivery and consistent engine operation
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NGK Genuine U2021 Ignition Coil 48080
The NGK Genuine U2021 Ignition Coil 48080 is a high‑performance ignition component engineered to deliver reliable spark generation for a wide range of four‑cylinder engines. Designed with precision and durability in mind, this coil ensures optimal combustion efficiency, improved fuel economy, and reduced emissions.
Key Features
- High Output Spark: Generates a robust spark capable of igniting modern low‑octane fuels with ease.
- Durable Construction: Built from premium materials that resist heat, vibration, and corrosion.
- Consistent Performance: Maintains stable voltage output across the engine’s operating range.
- Easy Installation: Fits standard M4 terminal configurations found in many OEM vehicles.
- OEM Quality Assurance: Meets or exceeds original equipment specifications for reliability and longevity.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | U2021 / 48080 |
| Type | Single‑coil, four‑contact (M4) ignition module |
| Voltage Output | Up to 45 kV |
| Operating Temperature Range | -40°C to +120°C |
| Dimensions (L x W x H) | Approx. 70 mm × 35 mm × 30 mm |
| Weight | ~0.25 kg |
| Material | High‑grade ceramic insulator, stainless steel housing |
| Compatibility | Designed for Opel Astra G, Meriva, and related models; also suitable for Chevrolet, Pontiac, Buick, Vauxhall, and other OEMs with matching M4 terminal layout. |
Vehicle Compatibility Overview
The NGK U2021 Ignition Coil is engineered to fit a broad spectrum of vehicles that share the same ignition architecture. Below is an illustrative list of common models and engine configurations:
- Opel Astra G (T98, F70, X03)
- Opel Meriva A (Combo, Caravan, Tour)
- Vauxhall Astra G CC
- Chevrolet, Pontiac, Buick – various compact and midsize engines
- General Motors platforms with M4 terminal layout
- Other OEMs that specify the U2021 / 48080 coil for their four‑cylinder engines
For precise fitment confirmation, consult your vehicle’s service manual or NGK’s official part compatibility database.
Installation Guide
- Disconnect the Battery: Ensure safety by removing the negative terminal before working on the ignition system.
- Remove the Old Coil: Unscrew or unclip the existing coil using a suitable socket or wrench. Note the orientation and any wiring harness connections.
- Prepare the New Coil: Verify that the NGK U2021 matches the mounting surface and terminal spacing. Clean the contact points to remove debris.
- Mount the Coil: Secure the new coil in place, aligning it with the engine block or cylinder head as required. Tighten bolts to manufacturer torque specifications.
- Reconnect Wiring Harnesses: Attach the high‑voltage leads and any auxiliary connections, ensuring a snug fit.
- Reattach Battery: Restore power and perform a quick engine start to confirm proper operation.
Performance Benefits
- Enhanced Engine Power: A stronger spark promotes complete combustion, translating into smoother acceleration and higher peak horsepower.
- Improved Fuel Efficiency: Efficient ignition reduces fuel consumption by ensuring optimal air‑fuel mixing.
- Lower Emissions: Consistent spark timing helps minimize unburnt hydrocarbons and CO₂ output.
- Reliability Under Stress: The coil’s robust construction withstands high temperatures and mechanical vibrations typical of modern engines.
Troubleshooting Common Issues
| Symptom | Plausible Cause | Recommended Action |
|---|---|---|
| Engine misfires or rough idle | Insufficient spark due to coil degradation | Replace the NGK U2021 with a new unit. |
| Reduced engine performance | Spark timing drift caused by aging coil | Check ignition timing; replace coil if necessary. |
| Engine stalls during acceleration | High‑voltage lead damage or poor contact | Inspect wiring harnesses and connectors; clean or replace as needed. |
| Unusual noises from the ignition system | Loose mounting or vibration damage | Tighten all bolts and secure mounting brackets. |
Maintenance Tips
- Inspect the coil’s mounting surface annually for corrosion or wear.
- Clean high‑voltage leads with a non‑conductive brush to remove oil residue.
- Avoid exposing the coil to extreme temperatures beyond its specified range.
- Use only OEM or NGK‑approved replacement parts to preserve engine integrity.
Why Choose NGK Genuine U2021 Ignition Coil?
The NGK brand is synonymous with precision engineering and uncompromising quality. The U2021 model embodies these principles, offering:
- Guaranteed compatibility with a wide array of OEM vehicles.
- Consistent spark output that meets or exceeds original equipment standards.
- A proven track record in automotive forums and professional service centers.
- Long‑term reliability, reducing the need for frequent replacements.
By selecting the NGK Genuine U2021 Ignition Coil 48080, vehicle owners can trust that their engine will perform at its best, delivering power, efficiency, and durability every time they start the car.
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| Brand | ![]() NGK is a Japanese brand that produces spark plugs, ignition coils, and other automotive parts. The company has a long history of producing quality automotive parts, and its products are used by many major automakers. NGK is known for its innovation and quality, and its products are often considered the best in the industry. |
| Model | NGK 48080 |
| MPN | NGK 48080 |
| ID | 7074543 |
| Dimensions / Weight | |
| Key Features | |

