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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Related, superseded, cross reference or alternative numbers for comparison.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
The product you are viewing cross references to these numbers
Prices from: £123.27
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Information
Support Strut For The Intercooler Carrier.
Fits:
Porsche 95B.1 Macan MKI 2014>>2018
Porsche 95B.2 Macan MKII 2019>>2021
Porsche 95B.3 Macan MKIII 2022>>
Diagram Ref No 23
NOTE: Our Product Image Shows 95B805527, Which Is For The Left Side.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B80552
The product you are viewing cross references to these numbers
Fits:
Porsche 95B.1 Macan MKI 2014>>2018
Porsche 95B.2 Macan MKII 2019>>2021
Porsche 95B.3 Macan MKIII 2022>>
Diagram Ref No 23
NOTE: Our Product Image Shows 95B805527, Which Is For The Left Side.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
95B80552
95B905527
95B805528
The product you are viewing cross references to these numbers
Prices from: £59.36