Luk LFW387 Clutch Flywheel

Overview of Luk Clutch Flywheel LFW387

The Luk Clutch Flywheel LFW387 is engineered for reliable performance in Chevrolet and GMC trucks. Designed specifically for models like the Silverado 1500 and Sierra 2500 HD, this flywheel ensures precise clutch engagement and smooth power transfer.

• Flywheel diameter: 12.047 inches (30.6 cm)
• Flywheel inner diameter: 20.875 cm and 8.218 cm
• Number of teeth: 168
• Flywheel cup depth/step height: 0
• Compatible with Chevrolet Silverado and GMC Sierra heavy-duty models

Technical Specifications and Features

The Luk LFW387 clutch flywheel features a 12.047-inch diameter, providing the correct surface area for clutch disc engagement. Its inner diameters of 20.875 cm and 8.218 cm accommodate the clutch assembly precisely, while the 168-tooth ring gear ensures proper meshing with the starter motor. The zero flywheel cup depth/step height indicates a flat mounting surface, which is critical for maintaining clutch alignment and reducing wear.

Compatible Vehicles and Applications

This clutch flywheel is compatible with a range of Chevrolet and GMC trucks, including the Silverado 1500, Silverado 2500, Silverado 2500 HD, Silverado 3500, Silverado 3500 Classic, Sierra 1500, Sierra 2500, Sierra 2500 HD, Sierra 3500, and Sierra 3500 Classic. The part number LFW387 is specific to these models, ensuring a proper fit and function in their transmission systems.

Common Issues Addressed by Luk Clutch Flywheel LFW387

• Clutch slippage due to worn or damaged flywheel surface
• Vibration or chatter during clutch engagement
• Starter motor engagement problems caused by damaged ring gear teeth
• Uneven clutch wear from improper flywheel surface dimensions
• Noise or rough shifting linked to flywheel misalignment

Installation Notes and Tips

When installing the Luk LFW387 flywheel, ensure the mounting surface is clean and free of debris. Torque the flywheel bolts to manufacturer specifications to avoid warping. Verify the ring gear teeth are undamaged and properly aligned with the starter motor. It is recommended to inspect the clutch disc and pressure plate during installation to ensure full system compatibility.

Quality Assurance and Warranty

Luk manufactures the LFW387 clutch flywheel to meet OEM standards for durability and performance. Each flywheel undergoes strict quality control to ensure dimensional accuracy and material integrity. While specific warranty details may vary, Luk products typically include coverage against manufacturing defects to provide confidence in long-term use.