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Air Pressure Hose. Porsche 997 Turbo / GT2 2007-09 - 99711064
99711064
Vehicle Group
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
Information
Air Pressure Hose.
Upgrade or replace the high-pressure charge-air hose on your Porsche 911 (997-series) Turbo/GT2 with these genuine OEM components. The left/upper hose is Part 99711064403 and the right/upper one is Part 99711064503. These hoses carry compressed, cooled air from the intercooler outlet to the Y-pipe/intake manifold, ensuring your engine receives the designed boost volume. If you’ve experienced loss of power, hear hissing under load, or notice boost irregularities, these direct-fit Porsche parts restore the integrity of your forced induction system.
Fits:
Diagram Ref No 4
What This Product Does:
Symptoms & Signs You Might Need Replacement:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99711064
The product you are viewing cross references to these numbers
Upgrade or replace the high-pressure charge-air hose on your Porsche 911 (997-series) Turbo/GT2 with these genuine OEM components. The left/upper hose is Part 99711064403 and the right/upper one is Part 99711064503. These hoses carry compressed, cooled air from the intercooler outlet to the Y-pipe/intake manifold, ensuring your engine receives the designed boost volume. If you’ve experienced loss of power, hear hissing under load, or notice boost irregularities, these direct-fit Porsche parts restore the integrity of your forced induction system.
Fits:
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT2 2007-09
Diagram Ref No 4
What This Product Does:
- These hoses/pipes are part of the charge-air system (after the turbocharger) and connect components like the turbo(s) → intercooler(s) → intake manifold(s). They carry compressed air at elevated pressure and temperature.
- The purpose: When the turbo compresses intake air, it gets hot; after the intercooler it is cooled, then routed via these hoses to the engine. Secure, leak-free hoses ensure the engine receives correct volume and pressure of air.
- If the hose is compromised (e.g., leak, crack, split), then boost pressure drops, the engine may lose power, run richer/leaner, trigger fault codes, and the car’s performance degrades.
Symptoms & Signs You Might Need Replacement:
- Loss of boost / reduced power: If you’re not getting full boost, or turbo seems slower to build, a leak in this hose is a common fault.
- Hissing or whistling noise during acceleration (especially under load) — indicates air escaping from pressure side of the system.
- Check Engine Light / fault codes relating to boost pressure, turbocharger performance or intake air pressure.
- Visible damage or wear: cracks, splits, swelling, hose soft spots, or hose clamps loose or missing.
- Oil or dirt buildup around the hose connection points — may suggest a leaking pressure hose has allowed contaminants in.
- Restores correct performance: For a turbocharged 911, accurate boost pressure and charge-air delivery are critical for performance. A failing hose disrupts that.
- Prevents further damage: A leaking charge air hose can lead to incorrect air/fuel mixture, cause lean conditions, increase exhaust temps, or stress the turbo/intercooler system.
- Safety & drivability: A compromised hose might fail catastrophically under boost, leading to a sudden loss of power, which could be dangerous in certain driving conditions.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99711064
99711064403
99711064503
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Prices from: €113.99
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Information
Supercharger pressure converter. Turbo boost solenoid.
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Click 'Zoom in' for large parts diagram.
Diagram ref no 4
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Click 'Zoom in' for large parts diagram.
Diagram ref no 4
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Vehicle Group
- Porsche 958 Cayenne V6 3.6L Petrol (300Hp) 2010-17
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Information
Supercharger pressure converter. Turbo boost solenoid.
Fits:
Porsche 958 Cayenne 3.6L V6 Turbo 2015>>
Porsche 95B Macan 3.0L / 3.6L 2014>>
Porsche 970 Panamera S 3.0L 2014>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
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Porsche 970 Panamera S 3.0L 2014>>
Click 'Zoom in' for large parts diagram.
Diagram ref no 4
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- Porsche 95B.1 Macan S Petrol 3.0L V6 (340Bhp) 2014-18
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Information
Radiator intercooler.
Fits:
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Click 'Zoom in' for large parts diagram.
Diagram Ref No 1 (LEFT) or 2 (RIGHT)
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Click 'Zoom in' for large parts diagram.
Diagram Ref No 1 (LEFT) or 2 (RIGHT)
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