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Product Information
Product Information
Exhaust Lock Nut For Bolt, M8.

The OE MATCH Exhaust Lock Nut for Bolt, M8 is a high-quality replacement fastening nut designed specifically for securing exhaust system components in high-temperature environments. Manufactured to OE specifications, this M8 lock nut features a self-locking design that helps maintain a secure connection despite constant vibration, thermal expansion, and harsh operating conditions.

Fits:

  • Porsche 993 (911) C2 1994-97
  • Porsche 993 (911) C4 1994-97
  • Porsche 993 (911) C2S 1994-97
  • Porsche 993 (911) C4S 1994-97

Used throughout the exhaust system on various Porsche models, this lock nut helps ensure that exhaust flanges, brackets, heat exchangers, silencers, and other exhaust components remain securely fastened. Its heat-resistant construction makes it ideal for long-term durability and reliable exhaust system assembly.

What This Product Does:

  • Secures exhaust system components and mounting hardware
  • Provides a self-locking fastening solution
  • Resists loosening caused by vibration and thermal cycling
  • Maintains secure flange and bracket connections
  • Supports exhaust system stability and alignment
  • Designed for high-temperature exhaust applications

Symptoms Of Wear Or Failure:
  • Loose exhaust components or brackets
  • Exhaust rattles or vibration noises
  • Exhaust leaks at flange connections
  • Corroded, seized, or damaged threads
  • Difficulty maintaining correct fastening torque
  • Missing or broken fastening hardware
  • Exhaust misalignment or movement
  • Increased wear on adjoining exhaust components

Why Replacement Matters:
  • Restores secure fastening of exhaust components
  • Prevents loosening caused by vibration and heat cycles
  • Helps maintain proper exhaust alignment
  • Reduces the risk of exhaust leaks and rattles
  • Protects exhaust flanges, brackets, and mountings from movement-related damage
  • Ensures safe and reliable exhaust system operation
  • Supports long-term durability in harsh exhaust environments
  • Provides OE-quality fit, performance, and reliability



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99908405202
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