Oil System & Pipes
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911 T-E/E/S 1972
Porsche 911 T-V 1972
Diagram ref no 33
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91120731802
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Fits:
Porsche 911 T-E/E/S 1972
Porsche 911 T-V 1972
Diagram ref no 33
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91120731802
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)


Fits:
Porsche 911 1972
Click 'Zoom in' for large parts diagram.
Diagram ref no 41.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110772012
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
Fits:
Porsche 911 1972
Diagram ref no 41
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110772012
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)


Fits:
Porsche 911 1965-71
Previous OE part number:
- 90110736110
Click 'Zoom in' for large parts diagram.
Diagram Ref No 16.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110736111
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Fits:
Porsche 911 1965-71
Previous OE part number:
- 90110736110
Click 'Zoom in' for large parts diagram.
Diagram Ref No 16.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110736111
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)


Fits:
Porsche 911 1965-71
This part number has been superseded from previous numbers:
- 90110736400
- 90110736402
Click 'Zoom in' for large parts diagram.
Diagram ref No 15.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110736403
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Fits:
Porsche 911 1965-71
This part number has been superseded from previous numbers:
- 90110736400
- 90110736402
Click 'Zoom in' for large parts diagram.
Diagram ref No 15.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110736403
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)


Fits:
Porsche 911 T-E / E / S 1972
Porsche 911 T-V 1972
Click picture for large parts diagram.
Diagram Ref No 40.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91120731503
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Fits:
Porsche 911 T-E / E / S 1972
Porsche 911 T-V 1972
Click picture for large parts diagram.
Diagram Ref No 40.
Related reference numbers
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91120731503
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

2 per car. Price is for each.
Fits:
Porsche 911 911S / CARRERA 2.7 1973-74
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110736101
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
2 per car. Price is for each.
Fits:
Porsche 911 911S / CARRERA 2.7 1973-74
Diagram ref no 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110736101
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)

Flows length of car.

Fits:
Porsche 911 from model 1987 on
Click 'Zoom in' for large parts diagram.
Diagram Ref No 12
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93020704504
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)


Fits:
Porsche 911 1969-89
Click picture for large parts diagram.
Diagram Ref No 20.
Related reference numbers
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91120730300
The product you are viewing cross references to these numbers
- Porsche 911 1965-1968 2.0L / 912 SWB (F)
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50

Fits:
Porsche 911 2.7RS / 2.8 RSR - 1973
Porsche 911 G-Body backdates - 1974 to 1989
Kit Includes
Front bumper centre oil cooler
Oil cooler mounts, brackets and screws
Oil cooler pipe x 2
Oil pipe connector x 2
Modification and welding is required to the trunk front section.
The centre oil cooler can be added to the existing front wing oil cooler circuit.
Dimensions:
Total width (without connectors) = 58 cm
Height with connecting support: 12 cm
Depth: = 6,3 cm.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
11F-R130
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera
- Porsche 911 1978-1983 3.0L / SC
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1975-1977 3.0L Turbo (930)
- Porsche 911 1978-1989 3.3L Turbo (930)


Fits:
Porsche 911 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.
93020726501
The product you are viewing cross references to these numbers
- Porsche 911 1984-1986 3.2L
- Porsche 911 1987-1989 3.2L G50
- Porsche 911 1978-1989 3.3L Turbo (930)
Engine Cooling Oil System & Pipes – Precision Cooling and Lubrication for Porsche Performance
The engine cooling oil system and pipes play a crucial role in your Porsche’s performance and reliability. These components deliver and regulate oil flow between the engine, oil cooler, and filter, maintaining stable oil temperature and pressure. By keeping the oil cool and circulating efficiently, they help prevent overheating, reduce friction, and ensure smooth engine operation — even under extreme driving conditions.
At Design911, we offer a complete range of genuine and manufacturer-quality engine cooling oil system parts and pipes for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each component is engineered for precision fitment, high heat resistance, and long-lasting durability, ensuring your Porsche performs exactly as its engineers intended.
What Do Engine Cooling Oil System & Pipes Do?
The oil cooling system and its connecting pipes work
together to control temperature and maintain lubrication efficiency throughout
the engine. Their main functions include:
- Transporting
oil between the engine, oil cooler, and filter housing.
- Dissipating
excess heat from the oil to prevent breakdown under pressure.
- Maintaining
stable oil pressure for consistent lubrication.
- Supporting overall engine temperature regulation alongside the coolant system.
These parts ensure your Porsche’s engine oil stays at the ideal temperature and viscosity, protecting vital internal components from wear and damage.
Why Do Oil System Pipes and Components Fail?
Even with regular maintenance, oil cooling system components
can wear out due to heat, pressure, and age. Common causes of failure include:
- Corrosion
or cracking of metal oil pipes from long-term exposure to heat and
oil.
- Rubber
hose degradation from high temperatures or oil contamination.
- Leaks
at connectors or fittings caused by vibration or poor sealing.
- Blocked
or restricted flow from sludge or carbon build-up.
- Mechanical damage from debris or impact under the vehicle.
Signs of failure can include visible oil leaks, oil pressure warnings, overheating, or the smell of burning oil.
Why Replace Faulty Oil System Parts and Pipes?
A failing oil pipe or cooler line can cause oil loss, overheating, and even catastrophic engine failure if left unchecked. Replacing worn or damaged components ensures your Porsche’s oil circulation and cooling remain efficient and leak-free.
Benefits of replacement include:
- Restored oil flow and cooling performance.
- Prevention of leaks, overheating, and engine damage.
- Improved reliability and efficiency under all conditions.
- Manufacturer-quality materials for long-term durability.
All parts in this range are built from high-grade metals, reinforced hoses, and corrosion-resistant fittings, designed to meet or exceed factory standards for performance and longevity.