O-Ring for Intercooler Hose - 58.05 x 3.55 - for Porsche 996/997 Turbo & GT2 / 955/958 Cayenne / 95B-1 Macan  ❭  95511072100

O-ring - 58.05 x 3.55 - for intercooler hose
OE Match intercooler pipe O-ring / round seal designed to provide a proper seal between intercooler pipes and fittings on Porsche turbocharged engines.
Sold individually

Fits:
Porsche 95B-1 Macan S Petrol 2014-18 (x2 Required)
Porsche 95B-1 Macan GTS 2014-18 (x2 Required)
Porsche 95B-1 Macan Turbo 2014-18 (x2 Required)

Porsche 955 Cayenne Turbo 2003-06 (x2 Required)

Porsche 958-1 Cayenne S Diesel V8 2013-14 (x2 Required)

Porsche 958-2 Cayenne S Diesel V8 2015-18 (x2 Required)
Porsche 958-2 Cayenne S V6 2015-18 (x2 Required)
Porsche 958-2 Cayenne GTS V6 2015-18 (x2 Required)

Porsche 996 Turbo / GT2 2001-05 (x6 Required)

Porsche 997 Turbo / GT2 2007-13 (x4 Required)

Diagram ref. 20.

The intercooler pipe O-ring sits between the mating surfaces of intercooler hoses, tubes, and connectors in the turbocharger charge air system. It prevents compressed air from leaking at these joints, ensuring that boost pressure flows efficiently from the turbocharger through the intercooler and into the engine. Maintaining a good seal here is essential for performance, responsiveness, and efficient engine operation under load.

Function
•  Seals intercooler hose connections: Prevents boost air leakage where pipes and connectors meet
•  Supports turbo efficiency: Helps maintain correct charge air pressure for optimal performance
•  Protects against pressure loss: Avoids reduced power and drivability issues from leaks
•  Durable elastomer: Designed to resist heat, pressure, and turbocharger system conditions

Intercooler pipe seals are small but critical to maintaining proper turbocharger performance. Over time, exposure to heat, pressure cycling, and engine bay contamination can cause original seals to:
•  Harden or become brittle
•  Distort or shrink
•  Leak compressed air at pipe joints
•  Reduce boost effectiveness

A leaking or degraded seal can result in loss of boost pressure, reduced engine power, slower acceleration, and poor throttle response. Replacing worn or damaged seals with quality OE Match units helps ensure a tight, leak-free joint and preserves the engineered performance of the turbocharger and intake system.

When to replace. Replace the intercooler pipe O-ring when:
•  You’re servicing intercooler hoses or charge air piping
•  You detect boost leaks (hissing during acceleration)
•  Engine performance feels reduced or inconsistent
•  Visual inspection shows the seal is brittle, cracked, or deformed
•  You’ve removed intercooler pipes and original seals were damaged

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

95511072100

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