Luk LFW390 Clutch Flywheel

Overview of Luk Clutch Flywheel LFW390 for Jeep Wrangler

The Luk LFW390 clutch flywheel is engineered specifically for Jeep Wrangler models, providing precise fitment and reliable performance. Designed with exacting dimensions, this flywheel supports smooth clutch operation and drivetrain efficiency.

• Flywheel diameter options: 11.181 inches and 28.4 inches
• Flywheel inner diameters: 16.6 mm and 6.535 mm
• Number of teeth: 146 for optimal starter engagement
• Flywheel cup depth/step height: 0 mm for consistent clutch contact
• Compatible with Jeep Wrangler transmissions requiring this specification

Technical Specifications and Design Details

The Luk LFW390 clutch flywheel features a dual flywheel diameter measurement, with 11.181 inches and 28.4 inches listed, reflecting compatibility with specific Jeep Wrangler transmission setups. The inner diameters of 16.6 mm and 6.535 mm ensure proper alignment and fitment with the clutch assembly. The 146 teeth count is critical for starter motor engagement, ensuring reliable engine starts. The zero flywheel cup depth or step height indicates a flat surface, which supports consistent clutch disc contact and reduces wear.

Applications and Problem Solving

This clutch flywheel is designed for use in Jeep Wrangler vehicles requiring a replacement or upgrade flywheel matching these precise dimensions. It addresses several common issues:

• Eliminates clutch slippage caused by worn or warped flywheels
• Resolves starter engagement problems due to damaged flywheel teeth
• Prevents vibration and noise from uneven flywheel surfaces
• Supports smooth gear shifting and clutch engagement
• Restores proper clutch pedal feel and drivetrain response

Installation Notes and Tips

When installing the Luk LFW390 clutch flywheel on a Jeep Wrangler, ensure the flywheel surface is clean and free of debris. Torque all mounting bolts to manufacturer specifications to avoid warping. Verify the flywheel teeth align correctly with the starter motor gear. It is recommended to inspect the clutch disc and pressure plate for wear during installation and replace if necessary to maintain optimal performance.

Quality Assurance and Warranty

Luk manufactures the LFW390 clutch flywheel to meet OEM standards for durability and fitment. While specific warranty details should be confirmed at the point of purchase, Luk products typically come with a limited warranty covering defects in materials and workmanship. This ensures confidence in the longevity and reliability of the flywheel for Jeep Wrangler applications.