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DISPLAYING 1 to 16 (of 20 products)
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96410625120T
Product Information
Product Information
Alternator fan / impeller housing strap, in TITANIUM.
The alternator fan / impeller housing strap secures the cooling fan assembly to the engine structure, keeping it correctly positioned and stable during engine run-up, vibration, and thermal cycling. 

Fits:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991 - 1994
Porsche 914-6 1970 - 1976

Diagram ref no 2

The fan/impeller housing is a critical component of the air-cooled Porsche engine’s cooling system - ensuring airflow over the heads and cylinders - so a secure mounting strap helps maintain proper belt tension, consistent fan alignment, and dependable cooling performance.

Installed between the fan housing and its anchor point on the engine case or accessories bracket, this strap absorbs and distributes load from the fan’s rotational forces, engine vibration, and belt tension. The use of titanium dramatically improves resistance to fatigue and stress versus stock steel, helping reduce the chance of strap deformation or failure over time while contributing to overall engine compartment weight reduction.

 The strap’s titanium alloy also provides higher corrosion resistance - especially beneficial for cars operated in damp or coastal environments where galvanic corrosion can affect standard hardware.

The stock steel fan strap experiences continuous load from belt tension, fan rotation, and thermal expansion. Over time, steel straps can stretch, fatigue, or crack, affecting fan alignment and potentially leading to belt slippage, reduced cooling airflow, or accelerated wear on pulleys. Upgrading to a titanium strap improves structural integrity, reduces recurring maintenance, and enhances the overall robustness of the cooling system - particularly in performance or high-stress driving environments.

When to replace:
Original strap shows corrosion, cracks, or deformation
•  During fan or alternator service
•  As part of engine rebuild or restoration project
•  Upgrading to performance materials for enhanced durability
•  When reducing rotating mass and engine compartment weight

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96410625120T
96410625120
90110625102
90110625103

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Special Order item
96410625120
Product Information
Product Information
Alternator fan / impeller housing strap.
Genuine Porsche Original Equipment (OE) alternator fan / impeller housing strap. It is a factory-engineered mounting bracket that secures the alternator cooling fan (or impeller housing) to the engine, ensuring proper alignment, stability, and airflow within the cooling and charging subsystem of classic Porsche air-cooled engines.

Fit:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991 - 1994
Porsche 914-6 1970 - 1976

Diagram ref no 2

The alternator fan / impeller housing strap holds the fan assembly in correct alignment with the engine’s accessory drive system. By securing the fan housing, it ensures proper belt tension, efficient cooling airflow, reliable alternator operation, and accurate interaction with other engine accessories. Its structural role helps minimize vibration, reduces belt misalignment, and contributes to consistent engine cooling performance.

Function:
Installed in the engine bay between the alternator fan housing and a fixed mounting point on the engine block or accessory bracket, this OE strap:
Provides rigid support for the alternator cooling fan assembly
 Maintains precise belt alignment for the fan pulley and accessory drive
 Helps resist engine vibration and torque loads
 Contributes to efficient engine cooling airflow.

An original fan strap that is bent, corroded, or fatigued can cause belt misalignment, fan wobble, excessive vibration, or premature wear on pulleys and accessories. Because the alternator cooling fan plays a vital role in air-cooled engine temperature control and charging system reliability, a secure and correctly aligned fan assembly is essential. Replacing a damaged or worn strap with a Genuine Porsche OE part ensures factory-correct support, preserves cooling efficiency, and helps prevent secondary failures in belts, bearings, or adjacent components.

When to replace:
 When the original strap is bent, cracked, or corroded
 After alternator or cooling fan service
 If the fan belt shows uneven wear or misalignment
 During engine restoration or reassembly
 If vibration/noise from the cooling fan area indicates movement

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96410625120
96410625120
90110625102
90110625103

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96410625120/1
Product Information
Product Information
Alternator fan / impeller housing strap, Stainless steel.
This alternator fan / impeller housing strap is a high-quality replacement component engineered in stainless steel. This strap secures the alternator cooling fan or impeller housing in the engine bay of classic Porsche air-cooled vehicles, providing enhanced corrosion resistance and durability.

Fit:
Porsche 911 1965 - 1989
Porsche 911 (930) Turbo 1975 - 1989
Porsche 964 Turbo 3.3L / Turbo 3.6L 1991 - 1994
Porsche 914-6 1970 - 1976

Diagram ref no 2

This OE Match strap secures the alternator cooling fan or impeller housing to the engine block or accessory mount, maintaining correct belt alignment, reducing vibration, and preserving the designed airflow path for the cooling system. Its robust stainless construction helps ensure that cooling performance and accessory alignment remain stable through many heating/cooling cycles and varying environmental conditions.

Installed between the fan housing and the engine accessory bracket, the stainless steel strap:
•  Provides a rigid mounting point for the alternator fan/impeller housing
•  Maintains accurate belt and pulley alignment
•  Reduces the risk of strap deformation, corrosion, or fatigue
•  Helps ensure consistent airflow distribution for engine cooling

The factory strap is steel and, over time, can be prone to corrosion, bending, fatigue, or surface degradation due to heat cycling and environmental exposure. These issues can lead to fan misalignment, belt wear, and reduced cooling performance. Upgrading to an OE Match stainless steel strap enhances reliability, resists corrosion, and improves longevity - ideal for engines used in daily driving, classic car tours, or restoration builds where long-term durability is important.

When to replace:
•  Original strap shows corrosion, rust, or fatigue cracks
•  Fan housing shows signs of misalignment or vibration
•  During alternator, cooling fan, or accessory belt service
•  When restoring or rebuilding the engine assembly
•  Preventive upgrade to improve reliability

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96410625120
96410625120
90110625102
90110625103

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Special Order item
90110625102
Product Information
Product Information
Alternator fan / impeller housing strap.

Fits:
Porsche 911 F (1965 - 1972)

Diagram ref no 3

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90110625102
90110625102

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90110625102/1
Product Information
Product Information
Alternator fan / impeller housing strap - black

Fits:
Porsche 911 - 1965 to 1972

Diagram ref no 3

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90110625102
90110625102

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90110601003
Product Information
Product Information
11-Blade Alternator Fan / Impeller (245mm Diameter), 3.75" Diameter Pulley

Fits:
Porsche 911/912 (1965-1969) (911 up Through 68)
Porsche 911T/E/S Carrera RS (1970-73)
Porsche 911/911S / Carrera (1974-1977)

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90110601003
90110601003

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Special Order item
90110601001
Product Information
Product Information
Alternator fan / Impeller (hub white galvanised).

porsche

Fits:
Porsche 911 F 1965 - 1968
up to engine number M09090000

Click 'Zoom in' for large parts diagram.
Diagram ref no 8

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90110601001
90110601001

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90110610104/1
Product Information
Product Information
Alternator fan housing - aluminium

Fits:
Porsche 911 2.0ltr - 1965 to 1969

Diagram ref no 1

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90110610104
90110610104
90110610103

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M57
Product Information
Product Information
Alternator fan housing

Fit:
Porsche 911 1965-89

Rennline's Billet Fan Shroud is fully CNC machined from two solid blocks of aluminium for a stronger and more stylish look than other aftermarket OEM replacements made from cast aluminium or magnesium.

Dress up your flat 6 with a new Fan Shroud - available in 3 different coloured anodized finishes.

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M57
93010600610
93010600607
93010600606
9301061022R
93010600611

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9011060100X/1
Product Information
Product Information
Replacement Impeller blade fan centre support complete with rivets.

Fit:
Porsche 911/912 (1965-1969) (911 up Through 68)
Porsche 911T/E/S Carrera RS (1970-73)
Porsche 911/911S / Carrera (1974-1977)

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9011060100X
90110601003
90110601102
90165076000

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M03
Product Information
Product Information
Rennline Stainless Steel Alternator Strap.

Fits:
Porsche 911/930 All 1965-89

We have redesigned our alternator straps for a sleeker look and simpler install. On most older 911's, the cadmium-plated alternator housing strap looks worse for the wear - the plating has become dull or corroded. The factory alternator housing strap can't be replaced without removing the ignition distributor, which necessitates resetting the engine's timing. Rennline's new alternator housing strap solves both problems: the brushed stainless steel perforated strap can be left as is or painted the color of your choice, and its unique 3 piece design makes installation easy to accomplish without touching the distributor. Comes with stainless steel hardware.

Note: Pictures may not show actual product.

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M03
96410625120
90110625102
90110625103

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53909314
Product Information
Product Information
Shim washer for generator belt pulley.
sold each.

Fits:
Porsche 912 Early 
Porsche 356 all models

*** On late 912 models with larger 420W generator also used for the impeller side). In total there should always be 10 used on the pulley side.

Diagram ref no 42

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53909314
53909314

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53909314/1
Product Information
Product Information
Shim washer for generator belt pulley.
sold each.

Fits:
Porsche 912 Early 
Porsche 356 all models

*** On late 912 models with larger 420W generator also used for the impeller side). In total there should always be 10 used on the pulley side.

Diagram ref no 42

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53909314
53909314

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61610612500/1
Product Information
Product Information
Spacer ring between generator and fan housing.
This gasket is for the fan housing (blower casing) and cover interface on classic Porsche 356 (B/C) and Porsche 912 models. The spacer ring ensures proper clearance, sealing and alignment between the main fan housing and the cover plate. Manufactured to replicate the original Porsche part in size and thickness. 

Fits:
Porsche 912  1965 - 1969
Porsche 356 B / C 1960 - 1965

Diagram ref no 45

 Position on Vehicle: Engine bay – between fan housing (blower shroud) and fan cover / generator mounting to body or engine casing.

Function: Maintains correct spacing, alignment and sealing of the fan housing, ensuring air-flows correctly through the engine’s cooling blower system, helping preserve engine temperature regulation and reduce vibration or mis-alignment.

Even though small, the spacer ring plays a crucial role in the cooling system geometry. If the original spacer is missing, crushed, incorrect thickness or degraded, you may experience:
  Mis-aligned fan housing or blower which can lead to inefficient airflow or overheating
  Vibration, noise or abnormal fan behaviour due to improper clearance
  Premature wear of fan shroud, generator or other components if clearance is incorrect
  Difficulty achieving correct engine temperature control or unstable idle-temperature behaviour.

Replacing with this spacer ensures the fan housing retains correct alignment, airflow is maintained as designed and cooling performance remains reliable.

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61610612500
61610612500

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99950731212/1::1
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Product Information
Speed nut clip - air intake guide / rear bumper cover mounting.
A high-quality M5 captive speed nut designed for secures components such as the air intake guide and rear bumper cover mounting on the Porsche 928. This speed nut replicates Porsche’s original fastening standard, ensuring correct thread size, retainer design and installation fit.
Sold each.

Fits:
Porsche 928 1987 - 1995

Thread size: M5
 Application: air intake guide (diagram ref no 8) and rear bumper cover mounting (diagram ref no 22)

This speed nut provides a secure, vibration-resistant anchoring point for parts that require frequent removal or tight fit-up. The captive design ensures the nut remains in position during assembly and removal processes, reducing fastener loss and ensuring consistent mount integrity.

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99950731212
99950731212

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AKFANSTRAP
Product Information
Product Information
Stainless-steel fan hold-down strap.
Laser cut design: Square Holes with Motor Size 

Fits:
Porsche 911 Air-cooled 1965 - 1989

Upgrade the look and function of your engine bay with a stainless-steel fan hold-down strap. The standard alternator/fabs strap is an eye sore on most engines, class up your build with standard lettering or let us create a custom design just for you. All stainless steel construction and all stainless hardware needed to install is included. 

Please note: This part is on special order terms. It is not a subject to cancellation or return if not required.


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AKFANSTRAP
90110625102
90110625103
96410625120

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DISPLAYING 1 to 16 (of 20 products)
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About Air cooling parts

Air Cooling Parts – Engine Efficiency and Temperature Control for Porsche Vehicles

Air cooling parts are essential components designed to regulate engine temperature, ensuring your Porsche runs efficiently, safely, and at peak performance. These components manage airflow and heat dissipation within air-cooled engines, preventing overheating and maintaining consistent operating conditions.

At Design911, we offer a wide selection of genuine and high-quality air cooling parts for Porsche models including classic air-cooled 911s, 964, 993, and more. Our range includes fan assemblies, shrouds, ducts, pulleys, housings, and cooling tins, all precision-engineered for exact fitment and reliable thermal management. Every part is built to the same high standards as the original factory components, ensuring lasting performance and authenticity.

What Do Air Cooling Parts Do?

Air cooling components work together to keep the engine’s operating temperature stable by directing airflow across critical areas. Key functions include:

  • Cooling the engine cylinders and heads to prevent overheating.
  • Regulating airflow through fans, ducts, and shrouds.
  • Maintaining consistent engine performance under varying load and speed conditions.
  • Supporting mechanical efficiency and preventing thermal stress on components.

For Porsche’s legendary air-cooled engines, proper airflow and cooling performance are vital to achieving both longevity and smooth, balanced operation.

Why Do Air Cooling Parts Fail?

Over time, air cooling components can degrade due to exposure to heat, vibration, and environmental wear. Common failure causes include:

  • Cracked or warped shrouds and ducts from thermal stress.
  • Fan damage or imbalance caused by corrosion or debris.
  • Loose pulleys or belts reducing airflow efficiency.
  • Corroded or missing fasteners and mounts leading to rattling or misalignment.
  • Material fatigue from age or improper maintenance.

Symptoms of failure include higher-than-normal engine temperatures, noise from the cooling fan, or visible cracks and wear on housing parts.

Why Replace Faulty Air Cooling Parts?

A compromised cooling system can lead to overheating, reduced performance, or even engine failure. Replacing worn or damaged components ensures optimal air circulation and temperature regulation, protecting your engine’s reliability and value.

Benefits of replacement include:

  • Restored and efficient airflow across engine components.
  • Consistent operating temperatures and improved engine longevity.
  • Prevention of costly overheating-related damage.
  • Factory-spec fitment and manufacturer-quality materials.

All air cooling parts in this range are designed to meet or exceed exacting engineering standards, ensuring durability, precision, and confidence for both restoration projects and regular maintenance.

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