Hex Bolt M6 X 18. Porsche 991T / 997T / 991GT3 RS 2007-21  ❭  99907406009

Hex Bolt M6 X 18.

The Hex Bolt M6 x 18 is a genuine OEM Porsche fastening bolt used across a wide range of Porsche applications where a metric M6 bolt with an 18 mm length is specified. Designed to Porsche factory standards, this bolt provides the correct thread pitch, strength, and corrosion resistance required for reliable fastening in automotive environments.

Fits:

• Porsche 997 MK1 TURBO 2007-09
• Porsche 997 MK1 GT2 2007-09
• Porsche 997 MKII Turbo 2010-13
• Porsche 991.1 Turbo 3.8L (520bhp) 2014-16
• Porsche 991.1 Turbo S 3.8L (560Bhp) 2014-16
• Porsche 991.1 GT3 RS 4.0L (500Bhp) 2015-16
• Porsche 991.2 Turbo Coupe 3.8L (540 Bhp) 2016-19
• Porsche 991.2 Turbo S Coupe 3.8L (580 Bhp) 2016-19
• Porsche 991.2 Turbo Cabriolet 3.8L (540 Bhp) 2016-19
• Porsche 991.2 Turbo S Cabriolet 3.8L (580 Bhp) 2016-19
• Porsche 991.2 GT3 RS 4.0L (520 Bhp) 2017-19
• Porsche 991.2 GT2 RS 3.8L PDK (700 bhp) 2018-19

Hex bolts like this are commonly used to secure interior trim, brackets, covers, electrical components, and light mechanical assemblies, where precise fitment and consistent clamping force are essential. Over time, original bolts can become corroded, stripped, stretched, or lost during servicing and repairs, making proper replacement important.  

What This Product Does:
The Hex Bolt M6 x 18 is an OEM Porsche fastener used to secure components in place throughout the vehicle. It provides the correct clamping force to hold parts such as brackets, trim pieces, covers, and light mechanical or electrical components firmly mounted.

Symptoms Of Failure Or Wear:

• Loose or misaligned components
• Rattling or vibration noises
• Movement of brackets or mounted parts
• Components not seating or fitting correctly
• Stripped threads or rounded bolt head
• Corrosion or rust on the bolt
• Missing fastener after previous servicing

Why Replacement Matters:

• It restores secure fastening and correct component alignment
  
• Prevents further damage caused by loose or moving parts
• Ensures proper torque and clamping force
• Avoids using incorrect or lower-grade hardware
• Maintains factory-correct fitment and repair quality
• Supports long-term reliability and vibration resistance

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Related, superseded, cross reference or alternative numbers for comparison.

99907406009

The product you are viewing cross references to these numbers