HomeExhaust > Hardware, Fasteners and FittingsGenuine 99908405202 Exhaust Nut
Part #: 99908405202

Genuine 99908405202 Exhaust Nut

⚙️ 66 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$18.27Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Porsche, 911, Boxster, and Cayman
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Exhaust Nut for Porsche 911, Boxster, and Cayman

The Genuine exhaust nut part number 99908405202 is designed specifically for Porsche models including the 911, Boxster, and Cayman. This essential fastener ensures secure attachment within the exhaust system, maintaining proper function and safety.

Key Features of Genuine Exhaust Nut 99908405202

  • OEM-quality exhaust nut engineered for Porsche vehicles
  • Compatible with Porsche 911, Boxster, and Cayman models
  • Durable construction to withstand high temperatures and corrosion
  • Precise fitment to maintain exhaust system integrity
  • Part number 99908405202 ensures exact replacement

Detailed Product Description

This Genuine exhaust nut (part number 99908405202) is manufactured to meet Porsche's original equipment specifications. It is designed to secure exhaust components firmly, preventing leaks and ensuring optimal exhaust flow. The nut's material composition provides resistance to heat and corrosion, which is critical for the demanding environment of the exhaust system. Compatible with Porsche 911, Boxster, and Cayman models, this exhaust nut supports the longevity and performance of your vehicle's exhaust assembly.

Common Applications and Issues Addressed

  • Replacement of worn or damaged exhaust nuts on Porsche 911, Boxster, and Cayman
  • Prevention of exhaust leaks caused by loose or corroded fasteners
  • Restoration of exhaust system stability and alignment
  • Maintenance of proper exhaust gas flow and emission control
  • Ensuring safety by securing exhaust components firmly

Installation Notes and Tips

When installing the Genuine exhaust nut 99908405202, ensure the mating threads are clean and free of debris to achieve proper torque and fit. Use manufacturer-recommended torque specifications to avoid over-tightening, which can damage the nut or exhaust components. It is advisable to inspect surrounding exhaust hardware for wear during replacement to maintain overall system integrity.

Quality Assurance and Warranty

As a Genuine Porsche part, the exhaust nut 99908405202 meets strict quality standards for fit, form, and function. While specific warranty details may vary, Genuine parts typically come with coverage against manufacturing defects to provide confidence in durability and performance.

This part fits 66 vehicles. Search below:

YearMakeModelSubmodelPositionNotes
2008Porsche911Targa 4N/AManifold to Catalyst
2008Porsche911Targa 4SN/AManifold to Catalyst
2008Porsche911CarreraN/AManifold to Catalyst
2008Porsche911Carrera 4N/AManifold to Catalyst
2008Porsche911Carrera 4SN/AManifold to Catalyst
2008Porsche911Carrera SN/AManifold to Catalyst
2008PorscheBoxsterN/AManifold to Catalyst
2008PorscheCaymanN/AManifold to Catalyst
2007Porsche911Targa 4N/AManifold to Catalyst
2007Porsche911Targa 4SN/AManifold to Catalyst
2007Porsche911CarreraN/AManifold to Catalyst
2007Porsche911Carrera 4N/AManifold to Catalyst
2007Porsche911Carrera 4SN/AManifold to Catalyst
2007Porsche911Carrera SN/AManifold to Catalyst
2007PorscheBoxsterN/AManifold to Catalyst
2007PorscheCaymanN/AManifold to Catalyst
2006Porsche911N/AManifold to Catalyst
2006PorscheBoxsterN/AManifold to Catalyst
2006PorscheCaymanN/AManifold to Catalyst
2005Porsche911GT3N/AManifold to Catalyst
2005Porsche911CarreraN/AManifold to Catalyst
2005Porsche911Carrera 4SN/AManifold to Catalyst
2005Porsche911TurboN/AManifold to Turbo
2005Porsche911TurboN/ATurbo; Turbo to Catalyst-Muffler
2005Porsche911Carrera SN/AManifold to Catalyst
2005Porsche911GT2N/AManifold to Turbo
2005Porsche911GT2N/ATurbo to Catalyst-Muffler
2005Porsche911Turbo SN/AManifold to Turbo
2005Porsche911Turbo SN/ATurbo to Catalyst-Muffler
2005PorscheBoxsterN/AManifold to Catalyst
2004Porsche911GT3N/AManifold to Catalyst
2004Porsche911CarreraN/AManifold to Catalyst
2004Porsche911Carrera 4N/AManifold to Catalyst
2004Porsche911Carrera 4SN/AManifold to Catalyst
2004Porsche911TurboN/AManifold to Turbo
2004Porsche911TurboN/ATurbo; Turbo to Catalyst-Muffler
2004Porsche911GT2N/AManifold to Turbo
2004Porsche911GT2N/ATurbo to Catalyst-Muffler
2004PorscheBoxsterN/AManifold to Catalyst
2003Porsche911CarreraN/AManifold to Catalyst
2003Porsche911Carrera 4N/AManifold to Catalyst
2003Porsche911Carrera 4SN/AManifold to Catalyst
2003Porsche911TurboN/AManifold to Turbo
2003Porsche911TurboN/ATurbo; Turbo to Catalyst-Muffler
2003Porsche911GT2N/AManifold to Turbo
2003Porsche911GT2N/ATurbo to Catalyst-Muffler
2003PorscheBoxsterN/AManifold to Catalyst
2002Porsche911CarreraN/AManifold to Catalyst
2002Porsche911Carrera 4N/AManifold to Catalyst
2002Porsche911Carrera 4SN/AManifold to Catalyst
2002Porsche911TurboN/AManifold to Turbo
2002Porsche911TurboN/ATurbo; Turbo to Catalyst-Muffler
2002Porsche911GT2N/AManifold to Turbo
2002Porsche911GT2N/ATurbo to Catalyst-Muffler
2002PorscheBoxsterN/AManifold to Catalyst
2001Porsche911CarreraN/AManifold to Catalyst
2001Porsche911Carrera 4N/AManifold to Catalyst
2001Porsche911TurboN/AManifold to Turbo
2001Porsche911TurboN/ATurbo; Turbo to Catalyst-Muffler
2001PorscheBoxsterN/AManifold to Catalyst
2000Porsche911N/AManifold to Catalyst
2000PorscheBoxsterN/AManifold to Catalyst
1999Porsche911N/AManifold to Catalyst
1999PorscheBoxsterN/AManifold to Catalyst
1998PorscheBoxsterN/AManifold to Catalyst
1997PorscheBoxsterN/AManifold to Catalyst

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.