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Oil Coolers / Radiators / Heat Exchangers

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DISPLAYING 17 to 26 (of 26 products)
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91110704700/1
Product Information
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Radiator engine oil cooler front "Snake Type".
Radiator fits in the front under the wing.

Fits:
Porsche 911 2.7 08/73-07/74
Porsche 911 2.7 RS 08/72-07/73

Diagram ref no 22

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91110704700
91110704700
91110704600

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Special Order item
90110704103
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Product Information
Radiator engine oil cooler with screw socket
Radiator type fits in engine compartment.

Fits:
Porsche 911 1965-71

Diagram ref No 8

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Related, superseded, cross reference or alternative numbers for comparison.

90110704103
90110704103
90110704102
90110704150

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90110704103/1
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Product Information
Radiator engine oil cooler with screw socket
Radiator type fits in engine compartment.

Fits:
Porsche 911 1965-71

Diagram ref No 8

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

90110704103
90110704103
90110704102
90110704150

The product you are viewing cross references to these numbers
Special Order item
91110704102
Product Information
Product Information
Radiator engine oil cooler.
Radiator type fits in engine compartment.

porsche

Fits:
Porsche 911 1972-89

Click 'Zoom in' for large parts diagram.
Diagram Ref No 8.

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Related, superseded, cross reference or alternative numbers for comparison.

91110704102
91110704100
91110704102

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91110704102/1
Product Information
Product Information
Radiator engine oil cooler.
This radiator type oil cooler fits in the engine compartment on Porsche 911 models. It forms part of the engine oil cooling system and should be installed according to the factory oil cooler layout and sealing arrangement.

Fits:
Porsche 911 1972 - 1989

Diagram ref no 8.

The engine oil cooler helps reduce engine oil temperature by allowing heat from the oil to transfer through the cooler core. Correct oil cooling is essential on air-cooled Porsche engines, as the oil plays an important role in lubrication, heat control, and long-term engine reliability.

Functions
•  Replaces the engine compartment oil cooler
•  Helps regulate engine oil temperature
•  Supports correct lubrication and cooling performance
•  Assists in protecting the engine from excessive oil temperatures
•  Helps maintain stable operation during normal and demanding driving
•  Replaces leaking, blocked, corroded, or damaged original oil coolers
•  OE Match replacement for engine oil cooling system repair.

Why Replace This Part?
Engine oil coolers can become blocked, corroded, damaged, or leak with age, heat cycling, vibration, and long-term oil exposure. A faulty oil cooler can cause oil leaks, reduced cooling efficiency, higher engine temperatures, contaminated cooling fins, or poor lubrication performance. Replacing the oil cooler helps restore effective oil temperature control and supports reliable engine operation.

When to Replace This Part
•   The oil cooler is leaking engine oil
•   Oil residue is visible around the cooler or engine compartment area
•   Engine oil temperatures are higher than normal
•   The cooler core is blocked, corroded, or damaged
•   The engine is being rebuilt or resealed
•   Oil cooling system components are being serviced
•   The vehicle is undergoing Porsche 911 engine restoration or preventative maintenance

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

91110704102
91110704100
91110704102

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Special Order item
90110704603
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Product Information
Radiator oil cooler with threaded connector, M26x1.5, Front.

porsche

Fits:
Porsche 911 S 1969-1971

Click 'Zoom in' for large parts diagram.
Diagram Ref No 17

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Related, superseded, cross reference or alternative numbers for comparison.

90110704603
90110704603

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90110704603/1
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Product Information
Radiator oil cooler with threaded connector, M26x1.5, Front.

oematch

Fits:
Porsche 911 S 1969-1971

Click 'Zoom in' for large parts diagram.
Diagram Ref No 17

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90110704603
90110704603

The product you are viewing cross references to these numbers
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91110704602
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Radiator Oil cooler with threaded connector, M30x1.5, Front.

porsche

Fits:
Porsche 911 S 1973

Click 'Zoom in' for large parts diagram.
Diagram Ref No 17

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91110704602
91110704602

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8110
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Product Information
Universal dual-pass oil cooler with direct fitment for Porsche 911 center front oil cooler (RS Style).
M22 x 1.5 connections - 24'L X 5.75'H X 2.16'W


RS style bar and plate oil coolers for air-cooled Porsche 911/930 models (up to 1989). This oil cooler is a direct-fit performance replacement for the original Porsche items but they can also be used as heavy duty universal units!

Product Features

• Heavy duty bar/plate core
• New Aero-flow bar design for low mass, strength and maximum airflow through the core
• Satin Black finish for protection against corrosion and debris
• Triangular flush mounting bolts on both top & bottom (M8x1.25)
• Slight 15 degree angle for connections (M22x1.5 female) with tapered, cast end-tanks
• 609mm Length x 54.6mm Width x 146mm Height


Cross reference numbers
91110705101



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Related, superseded, cross reference or alternative numbers for comparison.

8110
8110
91110705101

The product you are viewing cross references to these numbers
8111
Product Information
Product Information
Universal single-pass oil cooler with direct fitment for Porsche 911 center front oil cooler (RS Style).
M22 x 1.5 connections - 24'L X 5.75'H X 2.16'W

RS style bar and plate oil coolers for air-cooled Porsche 911/930 models (up to 1989). This oil cooler is a direct-fit performance replacement for the original Porsche items but they can also be used as heavy duty universal units!

Product Features:

• Heavy duty bar/plate core
• New Aero-flow bar design for low mass, strength and maximum airflow through the core
• Satin Black finish for protection against corrosion and debris
• Triangular flush mounting bolts on both top & bottom (M8x1.25)
• Slight 15 degree angle for connections (M22x1.5 female) with tapered, cast end-tanks
• 609mm Length x 54.6mm Width x 146mm Height

Cross reference numbers
91110705101

Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.

8111
8111
91110705101

The product you are viewing cross references to these numbers
DISPLAYING 17 to 26 (of 26 products)
1 2
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About Oil Coolers / Radiators / Heat Exchangers

Engine Oil Coolers, Radiators & Heat Exchangers – Precision Cooling for Porsche Performance

The engine oil cooler and heat exchanger system plays a critical role in managing temperature within your Porsche’s engine. By transferring excess heat away from the oil and other fluids, these components ensure stable operating temperatures, consistent lubrication, and maximum engine longevity — especially under demanding performance conditions.

At Design911, we offer a full range of engine oil coolers, radiators, and heat exchangers for Porsche models old and new. Built from high-efficiency aluminium or reinforced composite materials, these components are designed to deliver superior cooling performance, durability, and perfect fitment — ensuring your Porsche performs at its best, on road or track.

Whether replacing a worn-out unit or upgrading for improved thermal efficiency, our oil cooling components provide reliable temperature control and enhanced performance.

What Do Engine Oil Coolers, Radiators & Heat Exchangers Do?

These components regulate oil and engine temperatures to maintain optimal performance and prevent overheating.

Core Functions:

  • Dissipate excess heat from the engine oil, coolant, or transmission fluid.
  • Maintain consistent oil viscosity and prevent breakdown under load.
  • Protect internal engine components from heat-related wear and failure.
  • Improve overall performance efficiency during extended drives or track sessions.

Together, the oil cooler, radiator, and heat exchanger form an essential thermal management system, helping your Porsche run at peak performance while protecting vital components.

Why Do Oil Coolers & Heat Exchangers Fail?

Over time, exposure to heat cycles, vibration, and contaminants can lead to efficiency loss or complete failure.

Common Causes of Failure Include:

  • Corrosion or cracking from age or road debris impact.
  • Internal clogging caused by sludge or contaminated oil.
  • Leaking seals or fittings, reducing pressure and fluid efficiency.
  • Thermal fatigue, leading to reduced cooling capacity.
  • Poor maintenance or coolant neglect, accelerating deterioration.

Symptoms of failure can include high oil temperatures, oil leaks, coolant contamination, or reduced engine performance, all of which signal the need for inspection or replacement.

Why Replace Oil Cooling Components?

Replacing a worn or leaking oil cooler, radiator, or heat exchanger is essential to preserve lubrication quality and prevent costly overheating damage. Our precision-fit, high-durability components restore proper cooling balance and reliability under all conditions.

Key Benefits:

  • Restores efficient oil and fluid temperature regulation.
  • Prevents overheating and engine wear.
  • Improves reliability under heavy load or track use.
  • Constructed from corrosion-resistant, high-performance materials.
  • Direct-fit compatibility for classic and modern Porsche engines.
  • Ideal for rebuilds, maintenance, and performance upgrades.

Upgrading or replacing your cooling system components helps ensure your Porsche’s engine stays efficient, durable, and ready for spirited driving.

Highlights:

  • Comprehensive range of Porsche oil coolers, radiators, and heat exchangers.
  • Precision-engineered for consistent temperature control.
  • Constructed from lightweight, corrosion-resistant materials.
  • Designed for reliability in both road and motorsport conditions.
  • Improves lubrication and protects engine performance.
  • Perfect for maintenance, rebuilds, or performance enhancements.

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