LuK 415065108 Dual Mass Flywheel Clutch Without Bolts
Engine Version: for engines with dual-mass flywheel Number of mounting bores: 6Supplementary Article/Info 2: Dual-mass flywheel without friction control plate; without screw set Supplementary Article/Supplementary Info: without pilot
LuK 415065108 Dual Mass Flywheel Clutch Without Bolts
The LuK 415065108 Dual Mass Flywheel (DMF) is a high‑performance component designed for modern internal combustion engines that require smooth torque transfer and reduced vibration. This flywheel replaces the traditional single‑mass unit with a sophisticated dual‑mass construction, providing superior drivability in both manual and automatic transmissions.
Key Features
- Dual‑Mass Design: Consists of two interconnected masses that absorb engine vibrations while maintaining efficient power delivery. The first mass is directly attached to the crankshaft, whereas the second mass connects to the transmission input shaft.
- No Bolt Installation Required: The flywheel is engineered for a bolt‑free mounting system, simplifying installation and reducing assembly time. This feature also eliminates potential torque inconsistencies associated with traditional bolted connections.
- High‑Precision Manufacturing: Each component undergoes rigorous quality control to ensure dimensional accuracy, surface finish, and material integrity. The result is a flywheel that delivers consistent performance across a wide range of operating conditions.
- Optimized for Audi A4 B8, A5 8T, and Similar Engines: Specifically calibrated for the 1.8 L and 2.0 L TFSI engines found in these models, ensuring seamless integration with existing drivetrain architecture.
- Enhanced Durability: Constructed from high‑strength alloy steel, the flywheel resists wear and fatigue, extending service life even under aggressive driving styles.
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | 415065108 (LUK4) |
| Type | Dual‑Mass Flywheel Clutch (DMF) |
| Mounting Method | Bolt‑free, clamp‑type installation |
| Engine Compatibility | Audi A4 B8, A5 8T (1.8 L & 2.0 L TFSI) |
| Material | High‑strength alloy steel with surface treatment for wear resistance |
| Weight | Approximately 12 kg (varies slightly by configuration) |
| Dimensions | Diameter: ~350 mm; Thickness: ~70 mm (first mass) / ~60 mm (second mass) |
| Operating Temperature Range | -40 °C to +120 °C |
| Certification | ISO 9001:2015, ISO/TS 16949:2002 compliant |
Installation Overview
The bolt‑free design of the LuK 415065108 simplifies the installation process. Technicians typically follow these steps:
- Remove the existing single‑mass flywheel and any associated components.
- Clean the crankshaft flange to ensure a smooth mating surface.
- Position the dual‑mass flywheel onto the crankshaft, aligning the internal mounting interface.
- Secure the flywheel using the provided clamp system, which applies uniform pressure across the entire circumference.
- Verify alignment and torque specifications with a calibrated torque wrench to guarantee optimal performance.
Performance Benefits
- Smoother Power Delivery: The dual‑mass configuration dampens torsional vibrations, resulting in a more refined driving experience, especially during low‑speed acceleration and gear shifts.
- Reduced Wear on Transmission Components: By absorbing shock loads, the flywheel protects clutch plates, synchronizers, and gear teeth from premature wear.
- Improved Fuel Efficiency: A more efficient torque transfer reduces energy losses, contributing to better overall fuel economy.
- Enhanced Noise, Vibration, and Harshness (NVH) Characteristics: The flywheel’s design lowers cabin noise levels, creating a quieter interior environment.
Maintenance Recommendations
Although the LuK 415065108 is engineered for longevity, regular inspections can help maintain peak performance:
- Check for any signs of surface damage or corrosion on the flywheel and mounting interface.
- Inspect the clamp system for wear or loosening; replace if necessary.
- Ensure that the engine’s oil level and quality meet manufacturer specifications to support optimal lubrication.
Compatibility Notes
The flywheel is specifically tailored for certain Audi models, but its design principles can be adapted to other vehicles with similar drivetrain layouts. Always verify compatibility with the vehicle’s engine control unit (ECU) and transmission software before installation.
Conclusion
The LuK 415065108 Dual Mass Flywheel Clutch Without Bolts represents a pinnacle of engineering for modern automotive powertrains. Its bolt‑free mounting, dual‑mass architecture, and meticulous manufacturing combine to deliver unmatched performance, durability, and driving comfort. Whether you are restoring a classic Audi or upgrading a contemporary model, this flywheel offers a reliable solution that meets the demands of both everyday use and spirited driving.
This product in Comparor
Identifiers
LuK is a brand of automotive parts, specializing in clutches and brake systems. The company has been in business since 1965, and today is a subsidiary of the larger company Bosch. LuK products are known for their quality and durability, and are used by many major automakers.
