Porsche Exhaust Manifold Stud 8x46mm (80–94) 999-062-239-03-OEM | OEM Engine Hardware Component

Maintain a perfect exhaust seal and reliable hardware integrity with the Porsche Exhaust Manifold Stud (8x46mm) – 999-062-239-03. Designed for Porsche 911 and 930 models from 1980 to 1994, this OEM-quality stud ensures a secure connection between the exhaust manifold and cylinder head, preventing leaks under high temperatures and vibration.

Precision-engineered from heat-treated steel, it provides exceptional tensile strength and corrosion resistance. Ideal for exhaust system repairs, rebuilds, or performance upgrades, this stud is a vital component for maintaining exhaust efficiency and engine performance in your air-cooled Porsche.

Key Features

• OEM Porsche Quality – Manufactured to factory specifications for exact fit and performance

• High-Strength Steel Construction – Resists stretching, fatigue, and corrosion in extreme exhaust temperatures

• Precision 8x46mm Design – Provides secure engagement with exhaust manifold and cylinder head threads

• Heat and Vibration Resistant – Ensures long-term durability under high engine loads

• Direct Replacement Fit – No modification required for installation on compatible Porsche models

• Essential for Exhaust System Rebuilds – Recommended during manifold, header, or gasket replacement

• Restores Factory Reliability – Maintains a tight exhaust seal for optimal performance and sound quality

Frequently Asked Questions (FAQ)

1. What does the Porsche Exhaust Manifold Stud do?
It secures the exhaust manifold to the cylinder head, ensuring a leak-free seal and stable connection under high heat and vibration.

2. Which Porsche models use this exhaust stud?
This OEM part fits Porsche 911 and 930 models built between 1980 and 1994.

3. What size is the exhaust manifold stud?
The stud measures 8x46mm, matching Porsche’s factory specifications for proper thread depth and length.

4. Is this an OEM-quality replacement?
Yes, the 999-062-239-03 stud meets Porsche’s original material and strength requirements for precise fitment and long-term reliability.

5. Should I replace all studs during an exhaust repair?
Yes, it is recommended to replace all manifold studs when servicing or removing the exhaust manifold to ensure even torque and prevent future failures.