Exhaust Hose Clamp, A 9 X 71. Porsche 911 1984-89  ❭  PCG100478A

Exhaust Hose Clamp, A 9 X 71.
The Exhaust Hose Clamp, A 9 x 71 is an OEM-spec heavy-duty clamp designed to securely fasten exhaust system connections and hose-style exhaust joints. With a 9mm band width and 71mm diameter specification, this clamp is used to create a strong, stable, and leak-resistant connection between exhaust components where secure clamping is required.

Fits:

• Porsche 911 1984-1986 3.2L
• Porsche 911 1987-1989 3.2L G50

Diagram Ref No 23

Exhaust clamps are essential for keeping the exhaust system properly supported and sealed under high temperatures, vibration, and thermal expansion. A high-quality clamp ensures correct alignment, reduces joint movement, and helps prevent exhaust gas leaks, rattles, and premature wear of surrounding components.

This clamp is ideal for exhaust repairs, replacement work, or performance exhaust installations where correct clamping force and durability are required.

What This Product Does:

• Secures exhaust joints and hose-style exhaust connections
• Maintains proper exhaust alignment under vibration and heat cycling
• Helps prevent exhaust gas leaks at clamped connections
• Reduces unwanted movement and rattling of exhaust pipework
• Supports long-term stability of exhaust system components

Symptoms Of A Worn Or Failed Exhaust Clamp:

• Exhaust leaking or blowing noise near a joint
• Rattling or knocking sounds underneath the vehicle
• Visible corrosion, cracks, or stretched clamp hardware
• Loose exhaust pipe connections or misalignment
• Soot marks around an exhaust join (sign of leakage)
• Clamp bolt seized or snapped during removal

Why Replacement Matters:

• Prevents performance loss caused by exhaust leaks
• Keeps the exhaust securely mounted and properly aligned
• Reduces noise, vibrations, and rattles
• Helps protect surrounding components from hot escaping gases
• Ensures safe and reliable exhaust system operation

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Related, superseded, cross reference or alternative numbers for comparison.

PCG100478A

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