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Porsche
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992 (911) MK1 2019-2024
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992.1 Carrera 4 3.0L 2019-24
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Engine Rebuild Parts
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Fuel Lines & Breather Hoses
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Fuel Line For Warm Up Valve. Porsche 911 1972-76 ❭ 91111009701
Fuel Line For Warm Up Valve. Porsche 911 1972-76 - 91111009701
91111009701/1
Vehicle Group
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
Information
Fuel Line For Warm Up Valve.
Fits On To Diagram Ref No 28
In CIS fuel systems, the warm-up regulator helps manage control pressure so the engine can start cleanly when cold and transition smoothly to normal running conditions as temperatures rise. A properly functioning fuel line is critical to ensure stable pressure and leak-free operation. Over time, original fuel lines can degrade from age, heat exposure, and vibration, leading to cracking, seepage, or weakened fittings.
What This Product Does:
Symptoms Of A Failing Fuel Line:
Why Replacement Matters:
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91111009701
The product you are viewing cross references to these numbers
The Fuel Line for Warm Up Valve is a fuel line designed for classic air-cooled Porsche 911 models equipped with Bosch CIS / K-Jetronic mechanical fuel injection. This line connects to the warm-up valve / warm-up regulator and plays an essential role in maintaining correct fuel routing and pressure control during cold starts and engine warm-up.
Fits:
- Porsche 911 T-K 1972-1973 2.4L LWB (F)
- Porsche 911 1974-1976 2.7L / 1976 3.0 Carrera
Fits On To Diagram Ref No 28
In CIS fuel systems, the warm-up regulator helps manage control pressure so the engine can start cleanly when cold and transition smoothly to normal running conditions as temperatures rise. A properly functioning fuel line is critical to ensure stable pressure and leak-free operation. Over time, original fuel lines can degrade from age, heat exposure, and vibration, leading to cracking, seepage, or weakened fittings.
What This Product Does:
- Carries fuel to/from the warm-up valve / warm-up regulator
- Helps regulate control pressure in CIS injection systems
- Supports smooth cold start operation and warm running performance
- Ensures fuel is delivered through the correct metering path
- Maintains leak-free
Symptoms Of A Failing Fuel Line:
- Fuel smell in the engine bay
- Visible fuel seepage or dampness around fittings
- Cracked or aged line material (especially on older CIS cars)
- Hard starting or poor cold running (if pressure is affected)
- Rough idle during warm-up
- Potential fuel leaks creating a fire risk
Why Replacement Matters:
- Prevents dangerous fuel leaks in the engine bay
- Maintains correct CIS fuel pressure regulation for proper drivability
- Supports reliable cold starts and smoother warm-up operation
- Helps avoid engine running issues caused by pressure loss
- Preserves safety in classic Porsche maintenance
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91111009701
91111009701
91111009700
The product you are viewing cross references to these numbers
Price: €87.05
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