Luk DMF042 Clutch Flywheel

LuK DMF042 Dual Mass Flywheel Overview

The LuK DMF042 is a dual mass flywheel engineered for Porsche applications that require controlled drivetrain damping and smooth clutch engagement. It is a direct-fit clutch flywheel solution for the 2000-2008 Porsche Boxster and 2006-2008 Porsche Cayman.

Built around LuK’s OE-focused dual mass design, this flywheel is tuned for the vehicle application and helps maintain driveline refinement under load. The LuK DMF042 is a practical choice when replacing a worn flywheel on a Porsche Boxster or Porsche Cayman.

Key Features

• Part number: DMF042
• Dual mass flywheel design for drivetrain damping
• Flywheel diameter: 24.2 in. / 9.528 in.
• Flywheel inner diameter: 14.8 in. / 5.827 in.
• Flywheel cup depth/step height: 0.106 in. / 2.7 mm
• 135 teeth for proper starter engagement
• Fits 2000-2008 Porsche Boxster, N/A
• Fits 2006-2008 Porsche Cayman, N/A

Detailed Description

LuK DMF042 is a clutch flywheel built to match the requirements of specific Porsche drivetrains. The dual mass construction helps isolate torsional vibration, which is important in vehicles where smooth power delivery and gearbox protection matter. LuK notes that solid flywheels can increase wear on engine mounts, contribute to gearbox damage, and place stress on the crankshaft; this DMF is the OE-style alternative for those applications. This part cross-references AMS Automotive 167042 for the same application.

For fitment-based searches, this part is commonly referenced as a flywheel for Porsche Boxster 2000-2008 and Porsche Cayman 2006-2008. If you are replacing a worn Porsche Boxster flywheel or sourcing a Porsche Cayman clutch flywheel, DMF042 provides the specified tooth count and dimensional profile for the listed vehicles.

What This Flywheel Helps Address

• Excessive drivetrain vibration during acceleration or cruising
• Noise and harshness from a worn dual mass flywheel
• Starter engagement issues related to flywheel tooth wear
• Clutch chatter caused by flywheel surface or damping wear
• Driveline stress that can affect mounts, gearbox components, and crankshaft loading

Installation Notes and Tips

Confirm the vehicle year, model, and transmission application before installation. Inspect the clutch assembly, release components, and related hardware for wear while the transmission is removed. Verify flywheel diameter, inner diameter, step height, and tooth count against the original part before final assembly. Proper torque procedures and manufacturer service specifications should be followed during installation.

Quality Assurance

LuK is known for OE-oriented drivetrain components, and this dual mass flywheel is individually tuned for the specified vehicle application. The DMF042 is built to support the original driveline characteristics expected in Porsche Boxster and Porsche Cayman fitments.