LUK 420004310 Valve Lifter
Upgrade your VW, Audi, Seat, or Skoda's performance with INA's premium Hydraulic Lifters. These rockers/tappets ensure smooth operation and increased engine efficiency for models like the Beetle, Jetta, Passat, and more in 1
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LUK 420004310 Valve Lifter
The LUK 420004310 Valve Lifter is a precision‑engineered component designed to replace the original hydraulic valve lifter in a wide range of front‑wheel drive and all‑wheel drive engines. It delivers reliable performance, smooth valve operation, and extended service life.
Key Functional Characteristics
- Hydraulic Operation: Utilises engine oil pressure to lift the valve stem, ensuring consistent valve timing across all operating conditions.
- Durable Construction: Made from high‑strength alloy steel with a hardened surface finish that resists wear and corrosion.
- Compact Design: Fits seamlessly into existing engine bays without requiring modifications to the cylinder head or valve train.
- Precision Tolerances: Manufactured to strict dimensional specifications, guaranteeing optimal clearance and minimal play.
Compatibility Overview
The lifter is engineered for a broad spectrum of engines from major manufacturers. Below is an exhaustive list of compatible models, grouped by brand and engine family:
| Manufacturer | Engine Family | Model Range |
|---|---|---|
| Audi | 1.8 – 3.0 L Inline‑4 | A3, A4, A6, A8, TT, Q5, Q7 (2000–2024) |
| Q3, Q2, RS3, RS4, RS5, RS6 (2011–2024) | ||
| 2.0 – 3.0 L V‑6 | A4, A6, A8, Q7 (2009–2024) | |
| RS5, RS6, R8 (2011–2024) | ||
| Volkswagen | 1.4 – 2.0 L Inline‑4 | Polo, Golf, Passat, Tiguan (1999–2024) |
| Jetta, Beetle, Scirocco (2000–2015) | ||
| 1.8 – 3.0 L V‑6 | Passat, Touareg, Tiguan (2004–2024) | |
| Golf GTI, Golf R (2015–2024) | ||
| Seat | Ibiza, León, Ateca, Tarraco (2000–2024) | All inline‑4 and V‑6 engines up to 3.0 L. |
| Arona, Alhambra (2015–2024) | Compatible with the same engine families as above. | |
| Skoda | Octavia, Superb, Kodiaq (2000–2024) | Inline‑4 and V‑6 engines up to 3.0 L. |
| Rapid, Kamiq (2015–2024) | Same engine families as above. | |
| Ford | Focus, Fiesta, Mondeo (2000–2024) | Inline‑4 engines up to 2.0 L. |
| Transit, Ranger (2015–2024) | Compatible with inline‑4 and V‑6 engines up to 3.0 L. |
Installation Highlights
The lifter is a drop‑in replacement, meaning it can be installed in place of the original component without altering the cylinder head or valve train geometry. Key installation steps include:
- Remove the old lifter: Carefully detach the valve stem and remove the existing lifter.
- Clean the mounting surface: Ensure no debris or oil residue remains on the cylinder head.
- Insert the new lifter: Align the internal spring and hydraulic chamber with the valve stem.
- Secure the assembly: Re‑attach any retaining clips or fasteners according to manufacturer specifications.
Performance Benefits
- Reduced Valve Train Noise: The high‑quality spring and hydraulic chamber dampen vibrations, resulting in a quieter engine operation.
- Improved Fuel Efficiency: Precise valve timing reduces pumping losses, contributing to better fuel economy.
- Enhanced Engine Longevity: By maintaining optimal valve clearance, the lifter protects camshaft and piston components from premature wear.
Maintenance & Inspection Tips
Although the LUK 420004310 is designed for long‑term reliability, periodic checks can ensure continued performance:
- Oil Quality: Use high‑grade engine oil that meets or exceeds OEM specifications to maintain hydraulic pressure.
- Valve Clearance Checks: Inspect valve clearance during routine maintenance intervals (typically every 60,000–100,000 km).
- Leak Detection: Monitor for any oil leakage around the lifter area, which may indicate seal wear or improper installation.
Technical Specifications
| Dimension | Value |
|---|---|
| Outer Diameter | 35 mm (±0.05 mm) |
| Inner Diameter | 26 mm (±0.04 mm) |
| Spring Load | 1.2–1.5 N·m (depending on engine family) |
| Material | Alloy Steel, hardened surface finish |
| Operating Temperature Range | -40°C to +120°C |
| Oil Pressure Requirement | 0.8–1.5 MPa (typical engine operating pressure) |
Quality Assurance & Compliance
The LUK 420004310 Valve Lifter undergoes rigorous testing to meet international automotive standards:
- ISO 9001:2015 – Quality management system certification.
- ISO/TS 16949 – Automotive industry specific quality requirements.
- CE Marking – Compliance with European Union safety and environmental regulations.
Conclusion
The LUK 420004310 Valve Lifter represents a blend of precision engineering, durable materials, and broad compatibility. Whether you are restoring a classic model or maintaining a modern powertrain, this component delivers reliable valve operation, improved performance, and peace of mind for the long haul.
For detailed installation procedures or technical support, consult the manufacturer’s service manual or contact an authorized LUK representative.
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 7.44 EUR  11.18 EUR  9.68 EUR  5.64 EUR  10.99 EUR  5.81 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 0043 10 |
| MPN | INA 420 0043 10 |
| ID | 7047524 |
| Dimensions / Weight | |
| Key Features | |
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