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Porsche // 911 & 912 (1965-1989) // 911 1978-1989 3.3L Turbo (930)
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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:
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Related, superseded, cross reference or alternative numbers for comparison.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: £123.27
Related products
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Information
Exhaust Gasket for Rear silencer
Related reference numbers
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93012319105
The product you are viewing cross references to these numbers
Fits:
Porsche 930 Turbo 1977-89
Porsche 965 Turbo 1989-94
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93012319105
93012319105
93012319104
93012319101
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Price: £20.85
In stock
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Seal for Intercooler.
Related reference numbers
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93011037900
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Fits:
Porsche 911 Turbo 1978-89
Click 'zoom in' for large parts diagram.
Diagram Ref No 3.
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93011037900
93011037900
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Price: £14.28
Orderable
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Information
Exhaust gasket - crossover pipe to turbo inlet.
Size: 175 x 120 x 2mm.
Fits:
Porsche 911 Turbo 1975-89
Porsche 964 Turbo 1991-94
Diagram ref. 43.
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93012319207
The product you are viewing cross references to these numbers
Size: 175 x 120 x 2mm.
Fits:
Porsche 911 Turbo 1975-89
Porsche 964 Turbo 1991-94
Diagram ref. 43.
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Price: £15.95
In stock
Vehicle Group
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)
Information
Fabspeed Long Neck Intercooler Kit.
High performance intercooler upgrade engineered for optimum flow efficiency lowers intake temperature and improves flow for maximum power gains.
Fabspeed's Long-Neck Intercooler for the Porsche 911 Turbo (930) comes bundled with all required hoses, clamps, and mounting hardware. Aluminum decklid shroud is also included for maximizing air flow into the intercooler.
Fabspeed's Long-Neck Intercooler for the Porsche 911 Turbo (930) is designed to be a direct bolt-in replacement, complete with all necessary hook-ups and mounting points for the factory lines.
Fabspeed's proprietary long-neck design offers more charge surface area than any other intercooler on the market.
FEATURES:
• Fits: all Porsche 911 Turbo 930 vehicles (1978-1989)
• Available for: factory OEM turbo or upgraded K27 turbos
• Increases horsepower and torque by 40 whp and 29 ft-lbs
• Flow as much as 900 CFM @ 2.6/1 pr ratio with less than 1 PSI drop
• Cubic inch mass increase from 258 (OEM) to 650
• C2 Turbo long-neck style with no O-Rings for a leak proof charge.
• Intercooler Kit includes: bypass valve, bypass sleeve, rubber elbow, 5-ply silicone hoses, and all mounting hardware necessary for installation.
• Utilizes factory fitting location with water/methanol injection port.
• Includes gaskets and shields to seal intercooler to stock deck lid like the Porsche Factory System.
• Direct bolt-on replacement for OEM intercooler.
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty.
Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.
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Related, superseded, cross reference or alternative numbers for comparison.
FSPOR911TIC
The product you are viewing cross references to these numbers
High performance intercooler upgrade engineered for optimum flow efficiency lowers intake temperature and improves flow for maximum power gains.
Fabspeed's Long-Neck Intercooler for the Porsche 911 Turbo (930) comes bundled with all required hoses, clamps, and mounting hardware. Aluminum decklid shroud is also included for maximizing air flow into the intercooler.
Fabspeed's Long-Neck Intercooler for the Porsche 911 Turbo (930) is designed to be a direct bolt-in replacement, complete with all necessary hook-ups and mounting points for the factory lines.
Fabspeed's proprietary long-neck design offers more charge surface area than any other intercooler on the market.
FEATURES:
• Fits: all Porsche 911 Turbo 930 vehicles (1978-1989)
• Available for: factory OEM turbo or upgraded K27 turbos
• Increases horsepower and torque by 40 whp and 29 ft-lbs
• Flow as much as 900 CFM @ 2.6/1 pr ratio with less than 1 PSI drop
• Cubic inch mass increase from 258 (OEM) to 650
• C2 Turbo long-neck style with no O-Rings for a leak proof charge.
• Intercooler Kit includes: bypass valve, bypass sleeve, rubber elbow, 5-ply silicone hoses, and all mounting hardware necessary for installation.
• Utilizes factory fitting location with water/methanol injection port.
• Includes gaskets and shields to seal intercooler to stock deck lid like the Porsche Factory System.
• Direct bolt-on replacement for OEM intercooler.
• All Fabspeed performance products are backed by the Fabspeed Lifetime Limited Warranty.
Please note: This is a special-order item manufactured to order. In some cases, please allow 4 – 5 weeks for the delivery. Special order items cannot be cancelled from this supplier once your order has been placed.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
FSPOR911TIC
93011023303
93011023301
93011023307
The product you are viewing cross references to these numbers
Prices from: £2,392.96