BERU Z20 Spark Plug
Beru AG (4014427000785 / Z20) | Spark plug, Z20 Spark
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Beru Z20 Spark Plug
The Beru Z20 Spark Plug is a high‑performance ignition component designed for modern gasoline engines that demand reliable spark delivery and long service life. Crafted with precision engineering, this plug delivers consistent combustion across a wide range of operating conditions.
Key Features
- Advanced Electrode Design: The Z20 features a dual‑electrode configuration that optimizes spark gap stability and reduces wear. This design ensures a strong, clean spark even under high compression or elevated temperatures.
- Durable Insulator: Made from premium ceramic material, the insulator resists thermal shock and electrical breakdown, extending the plug’s lifespan in demanding engine environments.
- Corrosion‑Resistant Coating: A specialized coating protects the metal components from oxidation, maintaining conductivity and preventing performance loss over time.
- Precision Threading: The plug’s threaded shank is engineered for a tight fit in standard spark plug wells, minimizing heat transfer to the cylinder head and reducing the risk of pre‑ignition.
- Compatibility: Designed to meet OEM specifications for a broad range of vehicles, including models from Alfa Romeo, Audi, BMW, Ford, Honda, Hyundai, Kia, Mercedes‑Benz, Nissan, Opel, Peugeot, Renault, Subaru, Toyota, Volkswagen, and many others.
Performance Benefits
The Z20 Spark Plug delivers a number of measurable advantages for engine performance:
- Improved Fuel Efficiency: By providing a more reliable spark, the plug reduces fuel consumption and emissions.
- Enhanced Power Output: Consistent ignition timing translates into smoother power delivery and higher peak horsepower.
- Reduced Engine Knock: The stable spark gap helps prevent detonation, protecting engine components from damage.
- Longer Service Intervals: With robust materials and coatings, the plug can often last up to twice as long as standard plugs under similar conditions.
Installation Guidelines
Proper installation is critical for maximizing the benefits of the Z20 Spark Plug. Follow these steps:
- Preparation: Ensure the engine is cool. Use a spark plug socket and ratchet to remove the old plug.
- Gap Check: Verify the spark gap matches the manufacturer’s specification (typically around 0.7–1.0 mm for most engines). Adjust with a feeler gauge if necessary.
- Threading: Insert the new plug into the cylinder head, turning it by hand until snug to avoid cross‑threading.
- Tightening: Use a torque wrench set to the recommended torque (usually between 20–30 Nm). Over‑torquing can crack the ceramic insulator; under‑torquing may lead to heat loss.
- Final Check: Inspect for any visible damage or misalignment before starting the engine.
Maintenance Tips
- Inspect plugs every 10,000–15,000 km or as recommended by your vehicle’s service schedule.
- Avoid using excessive force when removing plugs to prevent damage to the ceramic insulator.
- Keep the spark plug area clean; residue can affect ignition performance.
Applications Across Vehicle Models
The versatility of the Z20 Spark Plug makes it suitable for a wide array of engines. Below are representative vehicle families where this plug is commonly used:
- Audi: A4, A6, Q5, TT, and other models with inline‑four or V‑six engines.
- BMW: 3 Series, 5 Series, X1, X3, and M‑series performance cars.
- Ford: Focus, Fiesta, Mondeo, Transit, and Ranger models.
- Honda: Civic, Accord, CR‑V, and Fit.
- Hyundai/Kia: Elantra, Sonata, i30, Optima, and Sorento.
- Mazda: Mazda3, CX‑5, and MX‑5 Miata.
- Nissan: Sentra, Altima, Rogue, and Juke.
- Opel/Vauxhall: Astra, Corsa, Insignia, and Mokka.
- Porsche: 911, Boxster, Cayman, and Macan.
- Renault/Peugeot: Clio, Megane, Captur, and 208.
- Suzuki: Swift, Vitara, and Jimny.
- Toyota: Corolla, Camry, RAV4, and Prius.
- Volkswagen/Skoda: Golf, Passat, Polo, and Fabia.
Technical Specifications
| Specification | Value |
|---|---|
| Thread Size | 14 mm x 1.25 mm |
| Heat Range | Medium‑High (4–5) |
| Spark Gap | 0.7–1.0 mm (adjustable) |
| Material | Ceramic insulator, Nickel alloy electrodes |
| Coating | Anti‑corrosion ceramic glaze |
| Recommended Torque | 20–30 Nm (varies by engine) |
Why Choose the Beru Z20 Spark Plug?
The Z20 Spark Plug combines proven engineering with modern materials to deliver:
- A reliable spark that enhances combustion efficiency.
- Reduced maintenance intervals thanks to durable construction.
- Compatibility across a vast range of vehicle makes and models.
- Consistent performance in both everyday driving and high‑performance scenarios.
Whether you’re maintaining a daily commuter, tuning a sports car, or servicing a fleet of commercial vehicles, the Beru Z20 Spark Plug offers the reliability and performance needed to keep engines running smoothly and efficiently.
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- Spark Plugs for Cars |
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| Tags | Spark plug |
| Identifiers | |
| Brand | ![]() Beru AG is a German automotive parts manufacturer that produces ignition coils, spark plugs, and other engine-related components. The company has a long history of supplying parts to the automotive industry, and today is a leading supplier of components to both the original equipment and replacement markets. |
| Model | Beru AG Z20 |
| MPN | Beru AG Z20 |
| ID | 2810734 |
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| Key Features | |


