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Oil Pipes & Hoses
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1989-94
Diagram Ref No 26.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420721700
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
Diagram Ref No 26
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420721700
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
Click 'Zoom in' for large parts diagram.
Diagram Ref No 28.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725711
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93

Fits:
Porsche 964 1989-94
Click 'Zoom in' for large parts diagram.
Diagram Ref No 28.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725711
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93

Fits:
Porsche 964 1989-94 (NOT TURBO ENGINES)
Click 'Zoom in' for large parts diagram.
Diagram Ref No 54.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725216
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Oil Pipe – Oil Filter Housing to Crankcase
The Porsche 964 Oil Pipe connects the oil filter
housing to the engine crankcase and forms an essential part of the Porsche 964
dry-sump lubrication system. This oil line allows filtered engine oil to be
transferred efficiently into the crankcase, ensuring critical internal engine
components receive the lubrication required for smooth operation, temperature
control, and long-term reliability.
Fits:
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
Diagram Ref No 54
On the Porsche 964, maintaining proper oil circulation is vital. The dry-sump lubrication system relies on a network of precisely engineered oil pipes to move oil throughout the engine, filtration system, oil tank, and cooling circuit. A damaged, leaking, or corroded oil pipe can compromise oil flow, reduce oil pressure, and potentially expose the engine to severe wear or damage.
Whether you are carrying out preventative maintenance, restoring a classic Porsche 964, or rebuilding an engine, replacing ageing oil system components helps preserve engine performance and reliability.
What Does This Oil Pipe Do?
The oil filter housing to crankcase pipe transfers filtered oil directly into the engine lubrication circuit after it has passed through the oil filter assembly.
Its functions include:
- Delivering filtered oil to the crankcase
- Maintaining continuous lubrication throughout the engine
- Supporting stable oil pressure
- Assisting proper operation of the dry-sump lubrication system
- Helping protect bearings, pistons, camshafts, and other critical components
- Supporting engine cooling through effective oil circulation
Without reliable oil flow through this pipe, engine lubrication efficiency can be significantly affected.
Why Does This Oil Pipe Fail?
The oil pipe is exposed to constant heat cycles, oil pressure, engine vibration, and environmental contaminants. Over time, these conditions can contribute to deterioration.
Common causes of failure include:
- Corrosion of metal pipe sections
- Age-related material fatigue
- Damage from road debris
- Cracked or weakened connections
- Oil leaks at joints or fittings
- Vibration-related stress fractures
- Damage during engine or oil system repairs
- Seized fittings caused by corrosion
As Porsche 964 models continue to age, original oil lines are increasingly susceptible to wear and deterioration.
Common Symptoms of a Failing Oil Pipe
Signs that the oil filter housing to crankcase pipe may
require replacement include:
- Visible oil leaks
- Oil residue around pipe connections
- Corrosion or rust on pipe surfaces
- Oil smells from the engine bay
- Damaged or crushed pipe sections
- Difficulty maintaining proper oil pressure
- Seized or damaged fittings during servicing
Because this component carries pressurised engine oil, any leak should be addressed immediately to avoid potential engine damage.
When Should You Replace It?
Replacement is recommended when:
- Oil leaks become visible
- Corrosion is identified during inspection
- Pipework becomes damaged or restricted
- During engine rebuilds
- During oil system refurbishment
- While replacing oil filter housing components
- As
preventoative maintenance on ageing vehicles
- During full restoration projectsil pipes
Replacing ageing before failure helps maintain oil pressure, improve reliability, and protect valuable engine components from unnecessary wear.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725216
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
These are long pipes running down the side of the car
Fits:
Porsche 964 1989-94 3.6L
Porsche 964 Turbo
Diagram Ref No 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420713504
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
These are long pipes running down the side of the car
Fits:
Porsche 964 1989-94 3.6L
Porsche 964 Turbo
Diagram Ref No 1
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420713504
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
Diagram Ref No 29
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420724702
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
*For cars with Thermostat Part Number:
96420704705
96420704307
96420704308
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725103
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
*For cars with Thermostat Part Number:
96420704705
96420704707
96420704708
Diagram ref no 22
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725103
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
Diagram ref no 29
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420724702
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Fits:
Porsche 964 1989-94
Diagram Ref No 24
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725015
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
Upgrade your classic Porsche 911 (964) with this high-quality oil pipe S-bend replacement. Engineered to OE specifications, this pipe ensures correct oil flow from the tank to the engine, preserving lubrication and performance. Its precisely formed S-bend design guarantees perfect fitment in the tight 964 engine bay, just like the original factory part.
Fits:
Porsche 964 1989 - 1994
Diagram Ref No 24
This pipe delivers oil from the tank to critical engine channels, ensuring proper lubrication. The factory-designed S-bend shape clears surrounding components for smooth installation. Maintains oil pressure and prevents leaks under high temperature, vibration, and continuous use.
Over time, oil pipes are exposed to extreme heat, vibration, and pressure. The original line may corrode, crack, or lose sealing integrity, leading to oil leaks or even engine oil starvation. Replacing restores the correct flow path and ensures long-term reliability.
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420725015
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
These are long pipes running down the side of the car
Fits:
Porsche 964 1989-94 3.6L
Porsche 964 Turbo
Diagram Ref No 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420713304
The product you are viewing cross references to these numbers
- Porsche 964 (911) C2 1989-93
- Porsche 964 (911) C4 1989-93
- Porsche 964 (911) RS 3.6L 1991-93
- Porsche 964 (911) RS 3.8L 1991-93
- Porsche 964 (911) TURBO 3.3L 1991-93
- Porsche 964 (911) TURBO 3.6L 1991-93
These are long pipes running down the side of the car
Fits:
Porsche 964 1989-94 3.6L
Porsche 964 Turbo
Diagram Ref No 2
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
96420713304
The product you are viewing cross references to these numbers
Engine Oil Pipes & Hoses – Reliable Lubrication Flow for Porsche Performance
The engine oil pipes and hoses in your Porsche are essential components of the lubrication system, responsible for transporting oil between the engine, oil cooler, and various internal components. These lines maintain the correct oil pressure and flow, ensuring smooth operation, reduced friction, and long-term protection of your high-performance engine.
At Design911, we supply a wide range of oil pipes and hoses developed to meet the high standards of Porsche vehicles. Manufactured using heat-resistant rubber, reinforced steel, or braided lines, these components are designed for durability, leak prevention, and perfect fitment. Whether you’re maintaining a classic 911 or servicing a modern Cayman or Panamera, our manufacturer-quality oil hoses ensure reliable oil circulation and peak performance.
What Do Engine Oil Pipes and Hoses Do?
Oil pipes and hoses are critical for transporting pressurised oil through the engine’s lubrication and cooling circuits.
Core Functions:
- Carry
oil between the engine block, oil cooler, and filter housing.
- Maintain
consistent oil pressure for proper lubrication.
- Prevent
leaks and ensure stable oil flow under all conditions.
- Assist with cooling, transferring hot oil to radiators or heat exchangers.
Without functioning oil pipes and hoses, oil flow becomes inconsistent — leading to reduced lubrication, overheating, and potential engine damage.
Why Do Oil Pipes and Hoses Fail?
Over time, exposure to heat, pressure, and oil contamination causes hoses and pipes to weaken or deteriorate.
Common Causes of Failure Include:
- Age-related
hardening or cracking of rubber hoses.
- Corrosion
or fatigue in metal or braided lines.
- Loose
fittings or clamps leading to leaks.
- Oil
degradation that damages internal linings.
- Vibration and heat cycles, especially in performance engines.
Symptoms of failure include visible oil leaks, burning smells, low oil pressure, or warning lights — all of which indicate it’s time for inspection or replacement.
Why Replace Oil Pipes & Hoses?
Replacing damaged or leaking oil pipes ensures reliable lubrication and pressure regulation throughout your engine. Our high-quality, direct-fit replacements are designed to restore original flow characteristics, prevent leaks, and resist the extreme conditions found in performance driving.
Key Benefits:
- Restores correct oil pressure and flow.
- Prevents leaks and contamination.
- Improves lubrication and cooling efficiency.
- Constructed from durable, oil- and heat-resistant materials.
- Compatible with air-cooled and water-cooled Porsche models.
- Ideal for engine rebuilds, servicing, and preventive maintenance.
Precision oil hoses and pipes are essential for keeping your Porsche’s lubrication system performing at its best — ensuring reliability and longevity on road or track.
Highlights:
- Precision-engineered oil pipes and hoses for Porsche engines.
- High-strength, corrosion-resistant materials for long service life.
- Direct-fit replacements designed for leak-free operation.
- Improves lubrication reliability and oil pressure stability.
- Perfect for maintenance, upgrades, or full engine rebuilds.
- Suitable for classic air-cooled and modern Porsche models.