Dual-mass Flywheel. Porsche 718 Boxster GTS 4.0 & Spyder RS / 718 Cayman GTS 4.0 & GT4 RS *PDK  ❭  982105264B

Dual-mass Flywheel
This original Porsche flywheel is designed for cars equipped with PDK transmission, option code 250, helping smooth engine torque delivery, reduce drivetrain vibration and support correct Porsche dual-clutch transmission operation.

Fits:
For cars with PDK Transmission (dual clutch) - option code: 250
Porsche 718 Boxster GTS 4.0L 2017>>
Porsche 718 Boxster Spyder RS 2019>>
Porsche 718 Cayman GTS 4.0L 2017>>
Porsche 718 Cayman GT4 RS 2019>>

Diagram ref no 14

This part is used with the PDK drivetrain on selected Porsche 718 Boxster and Cayman 4.0L models.

What This Part Does / Functions:
•  Connects the engine crankshaft to the PDK transmission assembly
•  Helps smooth engine torque pulses before they reach the gearbox
•  Reduces drivetrain vibration, noise and harshness
•  Supports smooth PDK clutch engagement and power transfer
•  Helps protect gearbox and driveline components from shock load
•  Works with the Porsche dual-clutch transmission system
•  Replaces a worn, noisy, heat-damaged or failed original flywheel
•  Provides correct OE Porsche fitment, balance and specification.

Why Replace This Part?
A dual-mass flywheel is a wear-sensitive drivetrain component. It is exposed to clutch heat, engine torque, vibration, high engine speed and repeated drivetrain load changes. Over time, the internal damping mechanism can wear, the flywheel surface can become heat affected, or the assembly can develop excessive rotational play. A worn or failed dual-mass flywheel may cause vibration, rattling, harsh engagement, drivetrain shudder or transmission-related noise.

Replacing it with an OE Genuine Porsche dual-mass flywheel helps restore smooth PDK operation and factory Porsche drivability.

Common Symptoms of a Worn Dual-Mass Flywheel
•   Rattling noise from the bellhousing area
•   Vibration at idle or under load
•   Drivetrain shudder during take-up of drive
•   Harsh or uneven PDK engagement
•   Noise when switching the engine off
•   Excessive rotational play in the flywheel
•   Heat marks, scoring or damage on the flywheel surface
•   Wear found during gearbox or drivetrain inspection.

When to Replace This Part
•   During PDK gearbox removal if the flywheel shows wear
•   If excessive flywheel play or noise is found
•   If drivetrain vibration is traced to the flywheel
•   If the flywheel surface is heat damaged, cracked or scored
•   During major drivetrain or engine repair
•   If the internal damping mechanism has failed
•   When replacing related PDK clutch or transmission components.

Where It Fits on the Car
This dual-mass flywheel fits between the engine crankshaft and the PDK transmission / dual-clutch gearbox assembly. It forms part of the rotating drivetrain connection between the engine and transmission.

Correct installation requires Porsche workshop procedures, correct torque settings and inspection of related transmission, clutch and fastening components.

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

982105264B

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