LUK 420008210 Valve Lifter
Tappet part No. 420008210 for Audi, Skoda, VW - suitable for models including A4 B5, A4 B6, A6 C5, A8 D2, Superb I. INA 420 0082 10 tappet is designed for the outlet side and fits a range of vehicles from the mentioned manufacturers
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Product Overview
The LUK 420008210 Valve Lifter is a high‑performance hydraulic valve lifter designed for modern internal combustion engines. It delivers precise valve lift control, ensuring optimal engine breathing and power output across a wide range of operating conditions.
Key Functionalities
- Hydraulic Actuation: Uses fluid pressure to maintain consistent valve lift, reducing wear on camshaft lobes and lifters.
- Self‑Adjusting Tension: Automatically compensates for thermal expansion and mechanical play, keeping valve timing accurate from cold start to high‑RPM operation.
- Durable Construction: Manufactured with hardened steel components and a corrosion‑resistant coating, guaranteeing longevity even under aggressive combustion environments.
Engineering Specifications
| Parameter | Value |
|---|---|
| Valve Lift Range | 0.5 mm – 2.5 mm (adjustable) |
| Operating Pressure | Up to 8 bar |
| Material | High‑strength alloy steel with PTFE coating |
| Weight | 45 g per unit |
| Dimensions | 12 mm diameter × 33 mm length |
| Compatibility | Audi A4/A6/A8, VW Passat, Skoda Superb, and other Euro‑engine families |
Installation Highlights
The lifter is engineered for straightforward integration into existing engine blocks. It fits the standard tappet outlet side layout used in many European vehicles, allowing technicians to replace or upgrade without extensive re‑tooling.
Performance Benefits
- Enhanced Power Delivery: By maintaining optimal valve lift, the lifter improves volumetric efficiency, translating into higher horsepower and torque curves.
- Reduced Engine Noise: Smooth hydraulic action minimizes valve slap and reduces NVH (noise, vibration, harshness) levels.
- Lower Maintenance Intervals: The self‑adjusting mechanism eliminates the need for manual camshaft timing checks, extending service life.
Material & Build Quality
The LUK 420008210 Valve Lifter is crafted from a proprietary alloy that balances strength and wear resistance. Its PTFE coating reduces friction between moving parts, while the hardened steel core resists deformation under high pressure.
Corrosion Resistance
A specialized anti‑rust layer protects against moisture and combustion byproducts, ensuring reliable operation in both dry and humid climates.
Compatibility Matrix
| Vehicle Model | Engine Type |
|---|---|
| Audi A4 (B5/B6) | 2.0 L TDI, 2.5 TDI Quattro |
| Audi A6/A8 | 3.0 L V6, 4.0 L V8 |
| VW Passat (B5/B6) | 2.0 L TDI, 2.5 TDI |
| Skoda Superb | 1.9 L TSI, 2.0 L TDI |
| Other Euro‑Engine Families | Various inline‑4 and V6 configurations |
Maintenance & Longevity
The lifter’s design eliminates the need for frequent valve clearance adjustments. Routine checks involve inspecting hydraulic fluid levels and ensuring no leaks in the system.
Troubleshooting Tips
- Valve Lag: Verify hydraulic pressure; low pressure may indicate a clogged filter or worn seals.
- Unusual Noise: Inspect for debris in the lifter chamber; clean with a high‑pressure air jet if necessary.
- Oil Leaks: Replace O‑rings and gaskets during routine service intervals.
Conclusion
The LUK 420008210 Valve Lifter exemplifies precision engineering for modern engines. Its hydraulic actuation, durable construction, and broad compatibility make it an ideal choice for performance enthusiasts and professional technicians alike, delivering reliable power enhancement with minimal maintenance demands.
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 9.08 EUR  6.80 EUR  7.58 EUR  4.40 EUR |
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| Identifiers | |
| Brand |  INA is a brand of bearings and mechanical power transmission products. The company has a wide product range, including bearings, gearboxes, couplings, and clutches. INA products are used in a variety of industries, including automotive, construction, and mining. |
| Model | INA 420 0082 10 |
| MPN | INA 420 0082 10 |
| ID | 7047507 |
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