27.29 GBP
Elring 490.120 Spark Plugs
Multi-part: 4-piece set Manufacturer item number: 490.120Brand New
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Elring 490.120 Spark Plugs
The Elring 490.120 Spark Plug is a high‑performance ignition component engineered for modern internal combustion engines. Designed with precision manufacturing techniques, this spark plug delivers reliable ignition, enhanced fuel efficiency, and extended durability across a wide range of automotive applications.
Key Features
- Advanced Electrode Design: The center electrode is crafted from platinum‑tipped material, ensuring consistent spark generation even under high compression and temperature conditions. This design reduces wear and maintains optimal ignition timing.
- Optimized Heat Range: With a carefully calibrated heat range, the plug balances engine performance with protection against overheating. It is suitable for both standard gasoline engines and those requiring higher thermal tolerance.
- Robust Insulator: The ceramic insulator offers superior electrical isolation while resisting thermal shock. Its geometry promotes efficient heat dissipation to the cylinder head, preventing pre‑ignition or detonation.
- Corrosion‑Resistant Coating: An anodized coating protects the metal components from corrosion caused by fuel additives and environmental exposure, extending service life.
- Precision Threading: The plug’s threaded shank is engineered for a secure fit in spark plug wells, minimizing vibration loss and ensuring consistent performance over time.
Technical Specifications
| Specification | Value |
|---|---|
| Model Number | 490.120 |
| Electrode Material | Platinum‑tipped center electrode, copper alloy ground electrode |
| Heat Range | Medium to high (exact range depends on engine configuration) |
| Thread Size | 14‑0.5 (standard automotive size) |
| Insulator Material | Ceramic (high‑temperature resistant) |
| Coating | Anodized anti‑corrosion finish |
| Operating Temperature | Up to 650 °C (engine‑specific) |
| Recommended Applications | Passenger cars, light trucks, and commercial vehicles with gasoline engines |
Installation Guidelines
Proper installation is critical for optimal performance. Follow these steps:
- Preparation: Clean the spark plug well to remove any debris or old gasket material.
- Torque Specification: Tighten the plug to the manufacturer’s recommended torque (typically 100–120 Nm). Use a calibrated torque wrench for accuracy.
- Check Alignment: Ensure the plug is seated straight and not cross‑threaded. Misalignment can lead to uneven wear or failure.
- Inspect Gasket: If the engine uses a gasket between the spark plug and cylinder head, verify it is intact before reassembly.
- Final Check: After installation, run the engine for a short period to confirm smooth operation and absence of misfires.
Performance Benefits
- Enhanced Combustion Efficiency: The platinum‑tipped electrode provides a stable spark that promotes complete fuel combustion, improving power output.
- Fuel Economy: Efficient ignition reduces wasted fuel, contributing to lower consumption rates over the vehicle’s lifespan.
- Reduced Emissions: Consistent spark timing helps minimize unburnt hydrocarbons and CO₂ emissions, supporting environmental compliance.
- Longer Service Life: The combination of corrosion‑resistant coating and robust insulator extends the plug’s operational period between replacements.
Maintenance Tips
While the Elring 490.120 is designed for durability, regular checks can further prolong its life:
- Inspect spark plugs during routine service intervals (typically every 30,000–50,000 km).
- Look for signs of fouling or excessive wear on the electrode.
- Replace any plug that shows discoloration, cracks, or loss of conductivity.
Compatibility Overview
The Elring 490.120 spark plug is engineered to fit a broad spectrum of gasoline engines. It matches the standard automotive spark plug size and thread pitch, making it suitable for:
- Passenger cars with inline‑4 or V‑6 engines.
- Light commercial vehicles such as vans and pickups.
- Performance models that require reliable high‑temperature operation.
Quality Assurance
Elring’s manufacturing process adheres to stringent quality control protocols. Each spark plug undergoes:
- Dimensional inspection to confirm thread accuracy and electrode spacing.
- Electrical testing for resistance and continuity.
- Thermal cycling to verify heat dissipation capabilities.
This rigorous testing ensures that every unit delivers consistent performance from the first use.
Conclusion
The Elring 490.120 Spark Plug represents a blend of advanced materials, precise engineering, and reliable performance. Its platinum‑tipped electrode, robust insulator, and corrosion‑resistant coating make it an excellent choice for drivers seeking dependable ignition, improved fuel efficiency, and reduced emissions across a wide range of gasoline engines.
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- Spark Plugs for Cars |
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| Identifiers | |
| Brand | ![]() Elring is a German automotive parts manufacturer that produces gaskets, seals, and other components for the automotive industry. The company has a long history dating back to the early 1900s, and today is a leading supplier of parts to the automotive market. Elring products are known for their quality and durability, and the company has a reputation for innovation and technological leadership. |
| Model | Elring 490.120 |
| MPN | Elring 490.120 |
| ID | 8291874 |
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| Key Features | |

