Wheel Carrier Hub Bolt, M 8 X 35. Porsche 970 / 981 / 987.2 / 991.1 / 997.1 / 997.2 2007-16

Wheel Carrier Hub Bolt, M 8 X 35.
This Wheel Carrier Hub Bolt is engineered to mount and secure the wheel hub and bearing assembly to the wheel carrier or steering knuckle, ensuring precise wheel alignment and dependable structural strength.
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Fits:

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• Porsche 970.2 Panamera 4S V6 Turbo 3.0L 4WD Executive 2014-16
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• Porsche 970.2 Panamera Turbo V8 4.8L (520Hp) 2014-16
• Porsche 970.2 Panamera Turbo V8 Executive 2014-16
• Porsche 970.2 Panamera Turbo S V8 4.8L 2014-16
• Porsche 970.2 Panamera Diesel V6 3.0L (250Hp) 2014-16
• Porsche 970.2 Panamera S E-Hybrid V6 3.0L (416Hp) 2014-16
• Porsche Boxster 981 2.7L 2012-16
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• Porsche Cayman 2.9L 987C MKII 2009-12
• Porsche Cayman S / R 3.4L 987C MKII 2009-12
• Porsche 991.1 Carrera C2 3.4L (350Bhp) 2012-16
• Porsche 991.1 Carrera C2S 3.8L (400Bhp) 2012-16
• Porsche 991.1 Carrera C4 3.4L (350Bhp) 2012-16
• Porsche 991.1 Carrera C4S 3.8L (400Bhp) 2012-16
• Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT2 2007-09
• Porsche 997 MK1 GT3 2007-09
• Porsche 997 MKII Carrera C2 3.6L 2009-12
• Porsche 997 MKII Carrera C4 3.6L 2009-12
• Porsche 997 MKII Carrera C2S 3.8L 2009-12
• Porsche 997 MKII Carrera C4S 3.8L 2009-12
• Porsche 997 MKII GT3 2010-11
• Porsche 997 MKII Turbo 2010-13
• Porsche 997 MKII GT2 RS 2011-13

Diagram Ref No 4

What This Product Does:

• The bolt helps maintain the alignment and secure mounting of the hub assembly, ensuring the wheel and bearing remain solidly held to the vehicle’s suspension / wheel carrier.

Symptoms Of Failure / Needs Replacement:

• Loose hub assembly or play at the wheel bearing / hub interface
  
• Noise (rattling, knocking) from the wheel / suspension area
  
• Abnormal wheel alignment / geometry or uneven tire wear
  
• Bearing / hub damage, because the hub may move relative to its mounting surface under load
  
• Potential safety hazard if the wheel or hub becomes unstable

Why Replacement Matters:

• Safety-critical component: Keeps the wheel hub and bearing securely attached to the suspension carrier.
  
• Prevents looseness and wheel wobble: Ensures stability under braking and cornering.
  
• Essential during service: Always replaced when removing the hub or bearing for correct torque retention and clamping force.

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

99921704204

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