Front control arm lock nut, M12 x 1,5. Porsche 997 / 991 / 992 / 981/981/718 Boxster / 987C/981C/718C Cayman

Front control arm lock nut, M 12 X 1,5
The Porsche 99908444501 Control Arm Lock Nut is a genuine OEM fastener designed to secure critical suspension components such as the control arm, track arm or lateral arm. As a self-locking hex nut, it provides a reliable connection that maintains proper suspension geometry under load.
Sold each, 2 required per vehicle.

Fits:
Porsche 997.1 2005 - 2008
Porsche 997.2 2009 - 2012
Porsche 991.1 2012 - 2016
Porsche 991.2 2017 - 2019
Porsche 992.1 2020 - 2024
Porsche 992.2 2024>>
Porsche 987.1 Boxster 2005 - 2008
Porsche 987.2 Boxster 2009 - 2012
Porsche 981 Boxster 2012 - 2016
Porsche 718 Boxster 2017 >>
Porsche 987C.1 Cayman 2006 - 2008
Porsche 987C.2 Cayman 2009 - 2012
Porsche 981C Cayman 2014 - 2016
Porsche 718C Cayman 2017>>

Diagram ref no 5

•  Position / Application:  Front and/or rear suspension (varies by model); Control arm, lateral arm, track arm, subframe and suspension mount connections  •    •   Function: Provides secure locking force on suspension bolts; maintains suspension geometry and prevents loosening
•   Quantity Per Vehicle: Depends on model; commonly 2–4 per front suspension assembly.

This nut is widely used across Porsche models including the 911, Boxster and Cayman, making it one of the most common suspension service hardware items. Because suspension fasteners experience high stress, vibration, and environmental exposure, its recommends replacing self-locking nuts whenever removed. Fresh OEM hardware ensures the correct clamping force, prevents unwanted movement and helps protect expensive suspension components from premature wear.

Whether you’re replacing a control arm, performing an alignment-critical repair, or completing a suspension rebuild, the 99908444501 nut guarantees factory-correct fit, strength and long-term reliability. Using genuine Porsche hardware ensures your suspension performs exactly as engineered - especially important for performance-driven Porsche models.

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99908444501

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