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Original Porsche Part Genuine Porsche part 93011053802
• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.
Before purchasing thoroughly check part to confirm compatibility.
- We are unable to provide fitting details for this product at this time. Please contact us for further information.
Fits:
Porsche 911 Carrera 3.2L 1984 - 1989
Diagram ref no 9
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011059507
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Idle Control Valve Hose
Maintain smooth engine performance and stable idle speed
with this OE Match Idle Control Valve Hose. Manufactured to the original factory
specification, this provides the correct fit, flexibility and sealing performance required for the
Bosch Motronic engine management system.
Fits:
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Diagram ref no 38
The idle control valve hose is a vital component of the engine's intake system, providing a sealed air passage between the idle control valve and the intake system. A damaged or leaking hose can introduce unmetered air, leading to poor idle quality, reduced drivability and engine management issues.
Ideal for routine maintenance, engine restoration or resolving vacuum leaks, this OE Match hose restores factory-style performance and reliability.
What Does the Idle Control Valve Hose Do?
The idle control valve hose forms part of the engine's idle air circuit.
Its primary functions include:
Carrying metered intake air to and from the idle control valve. Allowing the engine management system to regulate idle speed accurately. Maintaining a sealed intake system to prevent vacuum leaks. Supporting smooth cold starts and stable idle operation. Helping optimise fuel mixture and engine efficiency.A correctly sealed idle control valve hose is essential for consistent idle performance and proper operation of the Bosch Motronic fuel injection system.
Why Does the Idle Control Valve Hose Fail?
Located within the engine compartment, the hose is continuously exposed to heat, oil vapour and engine vibration.
Common causes of deterioration include:
Rubber hardening through repeated heat cycles. Cracks developing with age. Splits caused by engine movement and vibration. Oil contamination softening or degrading the rubber. Loss of flexibility leading to poor sealing. Perishing after decades of service.Even small cracks can create vacuum leaks that affect engine performance and idle quality.
When Should It Be Replaced?
Replacement is recommended when:
The engine idles unevenly or stalls. Idle speed fluctuates or hunts. Vacuum leaks are detected. The hose shows signs of cracking, splitting or hardening. Carrying out an intake system overhaul. Replacing the idle control valve or other intake hoses. Performing preventative maintenance on higher-mileage vehicles.Replacing ageing intake hoses is an effective way to restore smooth idle performance and eliminate hard-to-diagnose vacuum leaks
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011058902
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Fits:
Porsche 911 Carrera 1984-89
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011057301
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
Fits:
Porsche 911 (930) Turbo 1975-89
Porsche 964 (965) Turbo 1991-94
Click 'Zoom in' for large parts diagram.
Diagram ref no 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011054701
The product you are viewing cross references to these numbers
- 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
This fuel line assembly with integrated warp-up valve connects from the fuel system to the mixer or injection control unit, helping regulate fuel flow during warm-up or transient conditions. It ensures proper fuel delivery, mixture balancing, and smooth engine response, particularly during cold start and transitional throttle operation.
Fits:
Porsche 911 SC 3.0L 1978 - 1980
Diagram ref no 61
Aged or cracked lines can leak fuel, creating serious risks and causing mixture imbalances, rough idle, or hesitation during warm-up. An OE-Match replacement restores proper fuel delivery, ensures smooth cold starts, and maintains stable engine performance. Built to resist heat, vibration, and pressure, it provides lasting reliability and peace of mind by preventing breakdowns and protecting your Porsche from costly damage.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011051300
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC

To Fit:
Porsche 911 (964 Turbo) 1990-1994 3.3L turbo Engines
DO88 hoses are entirely manufactured in high quality silicone for best finish and durability. With three to five layers of reinforcement depending of the inner diameter, the hoses withstand high pressure rates and high temperatures for a long time. The original hoses are manufactured in rubber that often cracks from age. This is a durable solution that in addition improves the looks!
Hoses included:
• Auxiliary air regulator hose Reference: 93011033506, 93060610200
• Auxiliary air regulator hose Reference: 93011033507
• Brake vacuum hose Reference: 93011037001
• Brake vacuum hose Reference: 210mm / ID 15mm
• Vacuum hose Reference: 93011054400
• Vacuum hose Reference: 93011071400
All part numbers from the vehicle manufacturer are only stated as reference.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
DO88-KIT161S
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93

To Fit:
Porsche 911 (964 Turbo) 1990-1994 3.3L turbo Engines
The kit contains all necessary hose clamps to install the specified hose kit. The included clamps are a high quality standard design type in all stainless steel (W4 class) with a stamped band to minimise impact on hose surface.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
CLAMP-KIT161S
The product you are viewing cross references to these numbers
- Porsche 964 (911) TURBO 3.3L 1991-93

Fits:
Porsche 911 Carrera 3.2L 1984-89
Click 'Zoom in' for large parts diagram.
Diagram ref no 38
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011058902
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Fits:
Porsche 911 Carrera 1984-89
Click 'Zoom in' for large parts diagram.
Diagram ref no 3
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93011057301
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50