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 1965-71
This product supersedes Porsche's old part numbers:
- 90110730102
- 90110730112
Diagram Ref No 19
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
90110730113
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)

Approx length: 125cm
Fits:
Porsche 911 1968-71
Diagram Ref No 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9011073311Y
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)
Approx length: 125cm
Fits:
Porsche 911 1968-71
Diagram Ref No 17
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
9011073311Y
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 1973-74
Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110772800
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

Fits:
Porsche 911 2.7-3.0 08/1973-07/1974
Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110772800
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

Fits:
Porsche 911 1973-77
Click 'Zoom in' for large parts diagram.
Diagram Ref No 33.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110773910
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


Fits:
Porsche 911 1973-77
Click 'Zoom in' for large parts diagram.
Diagram Ref No 33.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110773911
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


Fits:
Porsche 911 1974-83 SC 3.0L
Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010774111
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC

Fits:
Porsche 911 1974-83 SC 3.0L
Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010774111
The product you are viewing cross references to these numbers
- Porsche 911 1978-1983 3.0L / SC


Fits:
Porsche 911 1975-77
Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110774210
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera

Fits:
Porsche 911 1975-77
Click 'Zoom in' for large parts diagram.
Diagram Ref No 20.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110774210
The product you are viewing cross references to these numbers
- Porsche 911 1974-1977 2.7L / 1976-77 3.0 Carrera

Fits:
Porsche 911 Turbo (930) 3.3L 1984-89 Engine to Thermostat (2nd half)
Click 'Zoom in' for large parts diagram.
Diagram Ref No 18.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010774111
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)


Fits:
Porsche 911 Turbo (930) 3.3L 1984-89 Engine to Thermostat (2nd half)
Click 'Zoom in' for large parts diagram.
Diagram ref no 18.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
93010774111
The product you are viewing cross references to these numbers
- Porsche 911 1978-1989 3.3L Turbo (930)

Fits:
Porsche 911S Carrera 2.7L 1973-74
Diagram ref no 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110772420
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 911S Carrera 2.7L 1973-74
Diagram ref no 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91110772420
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 RS 2.7 08/72-07/73
Porsche 911 S 2.2-2.4 09/69-07/73 *
TYP 911/53*
TYP 911/63*
TYP 911/83
TYP 911/88
* Please note: not all S models have the same pipe work. If in doubt please check with our sales team before making purchase.
Diagram Ref No 18
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
91120704301
The product you are viewing cross references to these numbers
- Porsche 911 1968-1973 2.2L / 2.4L / 2.7L RS LWB (F)
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.