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Oil Radiators / Heat Exchangers

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DISPLAYING 1 to 16 (of 21 products)
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90110704600
Product Information
Product Information
Oil cooler racing version left hand front. 

oematch

Fits:
Porsche 911 ST / RSR

Dimensions:

Power measurement - 280x190x52mm
External dimension - 380x195x52mm
Connections - M30 x 1.5 or M26 x 1.5 outside

8201
Product Information
Product Information
Universal dual-pass oil cooler with direct fitment for Porsche 911 center front oil cooler (RS Style).
Custom end tanks with a 45° chamfer
M22 x 1.5 connections - 22" L x 4.75" H x 2.25" W
Dual pass for increased oil cooling

Fits
911/930 models up to 1989

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

These new oil coolers have custom end tanks with a 45° chamfered front angle, allowing them to fit flush inside '73-style RS/RSR bumpers. The fittings are pointed straight back. For best airflow and highest performance, CSF recommends cutting the front tub to allow for proper air flow, exiting behind the oil cooler and underneath the vehicle. Cutting the front tub will also give clearance to allow adding a rear fan shroud to pull more air through the cooler at slower speeds or while idling

Product Features:

•High Efficiency & Rugged Durability Bar/Plate Design

• M22 x 1.5 Inlet/Outlet Connections
• "Aero-Flow" Bar Design for Lightweight, Strength, and Maximum Flow
• Triangular flush mounting bolts on both top & bottom (M8x1.25)
• Satin Black Finish for Extreme Protection Against Corrosion and Debris
• Pressure Tested at 120psi

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8201
8201

The product you are viewing cross references to these numbers
8202
Product Information
Product Information
Universal single-pass oil cooler with direct fitment for Porsche 911 center front oil cooler (RS Style).
Custom end tanks with a 45° chamfer
M22 x 1.5 connections - 22" L x 4.75" H x 2.25" W

Fits:
Porsche 911/930 models up to 1989

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

These new oil coolers have custom end tanks with a 45° chamfered front angle, allowing them to fit flush inside '73-style RS/RSR bumpers. The fittings are pointed straight back. For best airflow and highest performance, CSF recommends cutting the front tub to allow for proper air flow, exiting behind the oil cooler and underneath the vehicle. Cutting the front tub will also give clearance to allow adding a rear fan shroud to pull more air through the cooler at slower speeds or while idling

Product Features:

•High Efficiency & Rugged Durability Bar/Plate Design

• M22 x 1.5 Inlet/Outlet Connections
• "Aero-Flow" Bar Design for Lightweight, Strength, and Maximum Flow
• Triangular flush mounting bolts on both top & bottom (M8x1.25)
• Satin Black Finish for Extreme Protection Against Corrosion and Debris
• Pressure Tested at 120psi

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

8202
8202

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90110708500/1
Product Information
Product Information
Cover plate for oil cooler, RIGHT, incl gaskets.

Fits:
Porsche 911S 2.0 1969
Porsche 911S 2.2 1970-71

Diagram ref no 18

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90110708500
91110708500
91110719100
90110719200

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90110708500
Product Information
Product Information
Cover plate for oil cooler, RIGHT

porsche

Fits:
Porsche 911S 2.0 1969-71
Porsche 911S 2.2 1969-71

Click 'Zoom in' for large parts diagram.
Diagram ref no 18

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90110708500
91110708500
91110719100
90110719200

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91110704102/3
Product Information
Product Information
Radiator oil cooler high-performance core. Porsche 911 / 911 turbo


OEM+ / High-Performance recreation of the original Behr Oil Cooler
CNC Machined mounting plate with helix design for strength and pocketed for weight savings
Modern Tube & Fin core with lower pressure drop and higher heat dissipation than the original
Stainless Steel Fittings for late model slip-on style (72-89) and early threaded style (65-71) with upgraded M30 “Widemouth” Design for improved flow
All OEM Behr features replicated on the billet mounting plate and cooler case
Comes standard with modern Cerakote titanium finish (additional heat dissipation) – modern interpretation of the OEM Behr finish
Optimized ID and flow characteristics of oil pipe for maximum oil flow through the vehicle’s oil system
Complete drop-in fit, absolutely no modifications to install

Fits:
Porsche 911 - 1972 to 1989
Porsche 911 turbo - 1975 to 1989


Diagram Ref No 8

After 2+ years of development and 4 rounds of prototypes, the world debut of the CSF Porsche 911/930 Engine Oil Cooler at Rennsport Reunion 2023 was met with resounding enthusiasm. Air-cooled enthusiasts know the struggles associated with the oil cooler located on the engine block of the old flat six motor. CSF’s highly anticipated new release is arguably the most important modern engine upgrade to be released for the 911 in years.
While the original design was effective at the time, they have not aged well. On top of that, there have been no updates to the design and original replacement units can be hard to come by. When the CSF 911 was being built, CSF realized this was a much needed part for the air-cooled community and set out to design something special.

The old original coolers aren’t the only issue though. CSF has gotten many first hand reports of brand new OE coolers from Porsche’s revamped “Porsche Classic” Catalogue leaking within a few months of installation. Apparently the new items available from Porsche are not built as well as the original Behr coolers. CSF has now brought to market a modern OEM+ solution to this vintage design.

The high-performance core uses 7 cooling tubes with 8 rows of fins. Between the ultra efficient fin design and high flow tubes, the CSF cooler is ~10% more efficient than a brand new OE unit and up to 25% more efficient than a used unit.

Because the base plate of the cooler is also a common problem area, CSF sought to improve this area as much as possible. Instead of the original cast design, the CSF cooler uses a CNC machined billet aluminum plate. This offers a perfectly flat mounting surface which is both stronger and more resistant to warping over time. You’ll also notice a special helix design which adds strength while keeping weight at a minimum.

Each unit is Individually Leak and Pressure Tested with a 10 year warranty
New OEM coolers from Porsche are extremely scarce/hard to source and cost $1,300+



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91110704102
91110704102
90110704103
90110704102
90110704150
901107041BX
91110704100

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91120731802
Product Information
Product Information
Engine oil cooler suction hose.

Fits:
Porsche 911 T-E/E/S 1972
Porsche 911 T-V 1972

Diagram ref no 33

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91120731802
91120731802
91120731801

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91120731802/1
Product Information
Product Information
Engine oil cooler suction hose.

Fits:
Porsche 911 T-E/E/S 1972
Porsche 911 T-V 1972

Diagram ref no 33

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91120731802
91120731802
91120731801

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11F-R130
Product Information
Product Information
Oil cooler kit for front bumper. 

koblenz

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.



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11F-R130
91110705101
90091500802

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SR009
Product Information
Product Information
Oil cooler tester for Porsche 911

No more guessing, wondering, or hoping about your 911 engine mounted oil coolers. SR009, precisely fabricated from 6061 aluminum, allows you to easily, quickly, and simply test your cooler for leaks. This tool is a must to pressure test all coolers (1965-1989) before re-installation. This high-quality tool is anodized for years of service and includes a liquid filled gauge, Schrader valve, seals and hardware. Order one now to avoid the mess of a leaky cooler and the headache of replacing a cooler on an otherwise fine engine.

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SR009
90110704103
91110704102

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91110704700
Product Information
Product Information
Radiator engine oil cooler front "Snake Type".
Radiator fits in the front under the wing.

porsche

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

Click 'Zoom in' for large parts diagram.
Diagram ref no 22

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91110704700
91110704700
91110704600

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91110704700/1
Product Information
Product Information
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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90110704103
Product Information
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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90110704103
90110704103
90110704102
90110704150

The product you are viewing cross references to these numbers
90110704103/1
Product Information
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.

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

91110704102
91110704100
91110704102

The product you are viewing cross references to these numbers
91110704102/1
Product Information
Product Information
Radiator engine oil cooler.
Radiator type fits in engine compartment.

oematch

Fits:
Porsche 911 1972-89

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

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91110704102
91110704100
91110704102

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DISPLAYING 1 to 16 (of 21 products)
1 2
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About Oil Radiators / Heat Exchangers

Oil Radiators & Heat Exchangers – Optimal Temperature Control for Porsche Performance

Oil radiators and heat exchangers are crucial components in your Porsche’s engine and transmission cooling systems. They regulate oil temperature by transferring heat away from the lubricating or hydraulic fluids, ensuring consistent performance, efficient lubrication, and long-term engine protection — even under extreme driving conditions.

At Design911, we offer a complete range of genuine and manufacturer-quality oil radiators and heat exchangers for Porsche models including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each unit is engineered for precise fitment, efficient heat transfer, and long-lasting reliability — maintaining the high-performance standards that Porsche vehicles are known for.

What Do Oil Radiators & Heat Exchangers Do?

Oil radiators and heat exchangers serve a vital role in temperature regulation and system protection. They:

  • Dissipate heat from engine or transmission oil to prevent overheating.
  • Maintain stable oil temperature for optimal viscosity and lubrication.
  • Extend component lifespan by preventing thermal damage.
  • Support engine and gearbox efficiency under heavy load or high-speed conditions.

By controlling oil temperatures, these parts ensure consistent power delivery, reduced wear, and greater reliability — whether on the road or track.

Why Do Oil Radiators & Heat Exchangers Fail?

Despite being built to handle extreme conditions, these components can fail over time due to wear, corrosion, or contamination. Common causes include:

  • Corrosion or internal blockage from debris or degraded fluids.
  • Physical damage from road debris or impact.
  • Oil or coolant leaks due to cracked housings or seals.
  • Reduced heat transfer efficiency from clogged fins or internal scaling.
  • Age-related deterioration of internal passages or gaskets.

Symptoms of failure include oil leaks, rising engine temperatures, reduced oil pressure, or contamination between the oil and coolant systems.

Why Replace a Faulty Oil Radiator or Heat Exchanger?

A damaged or inefficient oil radiator can cause overheating, loss of lubrication, and serious engine or transmission damage. Replacing faulty units restores cooling efficiency and ensures your Porsche continues to deliver peak performance and reliability.

Benefits of replacement include:

  • Restored oil temperature control and pressure stability.
  • Prevention of overheating and oil contamination.
  • Improved engine and gearbox longevity.
  • Manufacturer-quality construction and fitment for peace of mind.

Each radiator and heat exchanger in this range is designed to meet or exceed factory standards, using advanced materials and precision manufacturing for superior durability, corrosion resistance, and cooling performance.

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