Oil Pipes & Hoses

Oil pipe L bend.



Fits:
Porsche 964 1989-94

Click 'Zoom in' for large parts diagram.
Diagram Ref No 28.

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96420725711

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Oil pipe L bend. Porsche 964 1989-94



Fits:
Porsche 964 1989-94

Click 'Zoom in' for large parts diagram.
Diagram Ref No 28.

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96420725711

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Oil Pipe Oil Filter to Engine.



Fits:
Porsche 964 1989-94 (NOT TURBO ENGINES)

Click 'Zoom in' for large parts diagram.
Diagram Ref No 54.

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96420725216

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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
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96420725216

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Oil pipe return front cooler to thermostat.
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

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96420713504

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Oil pipe return front cooler to thermostat.
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

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96420713504

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Oil pipe rubber. Oil tank to filter.

Fits:
Porsche 964 1989-94

Diagram Ref No 29

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96420724702

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Oil pipe rubber oil tank to thermostat.

Fits:
Porsche 964 1989-94

*For cars with Thermostat Part Number:
96420704705
96420704307
96420704308

Diagram ref no 22

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96420725103

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Oil pipe rubber oil tank to thermostat.

Fits:
Porsche 964 1989-94

*For cars with Thermostat Part Number:
96420704705
96420704707
96420704708

Diagram ref no 22

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96420725103

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Oil pipe rubber. Oil tank to filter.

Fits:
Porsche 964 1989-94

Diagram ref no 29

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96420724702

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Oil pipe S bend.

Fits:
Porsche 964 1989-94

Diagram Ref No 24

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96420725015

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Oil pipe S-bend.
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.

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96420725015

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Oil pipe supply front cooler to thermostat.
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

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96420713304

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Oil pipe supply front cooler to thermostat.
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

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96420713304

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Oil Pipe Support Clamp 1100 22/15 
Sold each

High-quality oil pipe support clamp 1100 22/15 designed for securing oil and air conditioning pipes across multiple Porsche models including 911, 911 Turbo, 924 and 964.

Fits:

• 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)
• 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
• Porsche 924 2.0L 1976-79
• Porsche 924 2.0L 1980-85
• Porsche 924 Turbo 2.0L 1979-81
• Porsche 924 Turbo 2.0L 1982-84
• Porsche 924 Carrera GT 2.0L 1981
• Porsche 924 Carrera GTS 2.0L 1982

Diagram Ref No 26

This versatile clamp is used to secure oil pipes, air conditioning pipes, and airbox pipes, ensuring correct routing and stability within the engine bay. It plays a vital role in preventing vibration, wear, and potential damage to critical systems.

Manufactured to OEM specifications, this clamp provides a precise fit, long-lasting durability, and resistance to corrosion. Supplied individually, it is ideal for maintenance, repair, or restoration of Porsche engine bay systems.

Key Features

• Pipe support clamp size 1100 22/15
• Suitable for Porsche 911, 911 Turbo, 924, 964, and 970 Panamera
• Part number 99951108002
• Multi-use: oil pipes, AC pipes, airbox pipes
• Ensures secure pipe mounting and routing
• Durable and corrosion-resistant construction
• OEM-style fit and performance
• Sold individually

Function and Purpose

This clamp is designed to securely support and retain pipes.

It helps to:
• Hold oil, AC, and airbox pipes in position
• Maintain correct routing and alignment
• Prevent vibration-related wear and damage
• Protect surrounding components
• Ensure long-term system reliability

Why Replace Pipe Clamps

Clamps can degrade over time due to heat and exposure.

Common issues include:
• Loss of clamping strength
• Corrosion or fatigue
• Pipe movement or misalignment
• Increased risk of leaks or damage

Replacing worn clamps ensures secure installation and protects system components.

Related reference numbers
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99951108002

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Oil pipe thermostat to oil filter.

Fits:
Porsche 964 C2 / C4 / RS 1989-94

This product supersedes Porsche's old part numbers:
- 96420725404
- 96420725405
- 96420725406
- 96420725407

Diagram Ref No 46

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96420725414

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