Please wait…

Please wait while we process your order,
do not press the back button…

cover plate Genuine Porsche part 96410603620

Code: 96410603620

Genuine Porsche part

cover plate

The product code 96410603620 was also found on these diagrams

105-07 - cover plate

air duct 964 TURB M30.69 and M64.50 1991-94

Additional information:

• This part is brand new and unused.
• Please verify that it is 100% suitable for your specific vehicle before purchase to ensure compatibility.

Before purchasing thoroughly check part to confirm compatibility.

Related products

Engine cover, Rear. Porsche 964 1989-94

96410601402/1

Product Information

Engine cover, Rear. Painted aluminized steel.
Mounted at the rear of the engine bay, the cover helps protect the engine from dirt, debris, and road contamination while supporting proper airflow management. It is supplied ready for installation and aligns with factory fixing points, making it suitable for repairs, replacements, or restoration work.

Fits:
Porsche 964 C2 / C4 / RS 1989-94 (not Turbo)

Diagram ref no 13.

The rear engine cover acts as a protective barrier within the engine bay, helping to keep contaminants away from critical engine components and contributing to correct engine bay airflow and thermal management.

Function:
• Protects rear engine components from dirt and debris
• Helps maintain correct airflow through the engine bay
• Provides structural coverage with heat- and corrosion-resistant material
• Restores factory-style appearance in the engine compartment

Damaged, corroded, or missing engine covers can expose components to debris and moisture, potentially accelerating wear and corrosion. Replacing the cover restores proper protection, appearance, and engine bay integrity.

When to replace:
• Visible corrosion, cracking, or deformation
• Missing or damaged mounting points
• After engine or rear-end repairs
• During engine bay restoration or refurbishment

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Related, superseded, cross reference or alternative numbers for comparison.

96410601402

96410601402

The product you are viewing cross references to these numbers

4 4 4 4

Alternator bearing fan blade. Porsche 964 / 993

96410605131/1

Product Information

Alternator Fan Bearing

Maintain the reliability of your Porsche's charging and engine cooling systems with this OE Match Alternator Fan Bearing, suitable for Porsche 964 and Porsche 993 models. This precision-engineered bearing supports the alternator and engine cooling fan assembly, ensuring smooth operation while allowing the cooling fan to rotate efficiently at high engine speeds.

Fits:

Porsche 964 (911) C2 1989-93
Porsche 964 (911) C4 1989-93
Porsche 964 (911) TURBO 3.3L 1991-93
Porsche 964 (911) TURBO 3.6L 1991-93
Porsche 993 (911) C2 1994-97
Porsche 993 (911) C4 1994-97
Porsche 993 (911) C2S 1994-97
Porsche 993 (911) C4S 1994-97
Porsche 993 (911) TURBO 1994-96
Porsche 993 (911) GT2 1994-97
Porsche 993 (911) TURBO S 1994-97

Diagram ref no 25

On air-cooled Porsche engines, the engine cooling fan is one of the most critical components for temperature control. The alternator fan bearing allows the fan and alternator assembly to rotate freely while supporting the loads generated by the fan belt and engine speed. A worn or failing bearing can lead to excessive noise, reduced cooling efficiency and, in severe cases, catastrophic damage to the fan and alternator assembly.

Manufactured to OE Match standards, this replacement bearing is ideal for preventative maintenance, engine rebuilds and alternator refurbishment projects.

What Does the Alternator Fan Bearing Do?

The alternator fan bearing is located within the alternator and cooling fan assembly.

Its primary functions include:

Supporting the alternator shaft
Allowing smooth fan rotation
Maintaining fan alignment
Reducing friction within the assembly
Supporting high engine speed operation
Ensuring efficient engine cooling
Helping maintain charging system reliability

Because the engine cooling fan is directly driven by the crankshaft belt system, the bearing operates continuously whenever the engine is running.

Why Do Alternator Fan Bearings Fail?

Over time, bearings are subjected to significant mechanical loads and temperature fluctuations.

Common causes of failure include:

Age-related wear
High mileage operation
Heat cycling
Bearing grease degradation
Contamination from dust and debris
Excessive belt tension
Corrosion
Long-term vibration

As the bearing wears, internal clearances increase and smooth operation deteriorates.

Symptoms of a Worn Alternator Fan Bearing

Common warning signs include:

Whining or rumbling noises from the fan housing
Grinding sounds from the alternator area
Fan vibration
Excessive shaft play
Reduced cooling fan efficiency
Alternator noise
Difficulty maintaining charging performance
Visible bearing wear during inspection

Ignoring these symptoms can eventually result in bearing seizure and costly component damage.

When Should the Alternator Fan Bearing Be Replaced?

Replacement is recommended when:

Rebuilding the alternator
Refurbishing the cooling fan assembly
Engine-out servicing is being carried out
Bearing noise is present
Excessive shaft play is detected
Performing preventative maintenance
Completing an engine rebuild
Restoring a Porsche 964 or 993

Many Porsche specialists replace the bearing whenever the alternator assembly is removed for major servicing.

Why Replacement Matters

Replacing a worn fan bearing helps protect both the engine cooling system and charging system.

Benefits include:

Smooth fan operation
Improved cooling system reliability
Reduced noise
Improved alternator performance
Protection against costly failures
Better engine temperature management
Long-term durability Enhanced reliability

For air-cooled Porsche engines, maintaining the cooling fan assembly is essential for engine longevity.

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

96410605131

96410605130

96410605131

1265

The product you are viewing cross references to these numbers

RS conversion fan hub. Porsche 964 / 993

99310605180/1

Product Information

RS Conversion Fan Hub

Transform your Porsche engine bay with this OE Match RS Conversion Fan Hub, designed to convert the standard dual-belt cooling fan system fitted to the Porsche 964 and Porsche 993 into the single-belt arrangement used on the factory Carrera RS models.

Fits:

Porsche 964 (911) C2 1989-93
Porsche 964 (911) C4 1989-93
Porsche 964 (911) TURBO 3.3L 1991-93
Porsche 964 (911) TURBO 3.6L 1991-93
Porsche 993 (911) C2 1994-97
Porsche 993 (911) C4 1994-97
Porsche 993 (911) C2S 1994-97
Porsche 993 (911) C4S 1994-97
Porsche 993 (911) TURBO 1994-96
Porsche 993 (911) GT2 1994-97
Porsche 993 (911) TURBO S 1994-97

Precision CNC machined from 6061 aircraft-grade aluminium and finished in a durable gloss black anodised coating, this premium-quality conversion hub combines motorsport-inspired appearance with exceptional strength and reliability. It provides a clean, simplified engine bay while reducing the number of drive belts, closely following the design philosophy used on the factory RS models.

Supplied complete with all the necessary fasteners, this OE Match conversion hub is ideal for RS-style engine builds, restorations and enthusiasts looking to enhance both the appearance and functionality of their air-cooled Porsche.

What Does the RS Conversion Fan Hub Do?

The RS Conversion Fan Hub replaces the original twin-belt fan drive arrangement with a single-belt configuration, replicating the system used on factory Porsche 964 RS and 993 RS models.

The conversion offers several advantages:

Converts the standard dual-belt system to a factory RS-style single-belt drive.
Simplifies the cooling fan drive assembly.
Reduces the number of rotating components.
Creates a cleaner, more purposeful engine bay.
Maintains precise cooling fan alignment.
Provides dependable operation under both road and performance driving conditions.

The result is a cleaner engine appearance combined with a proven factory-inspired cooling system layout.

Why Upgrade to an RS Conversion Fan Hub?

Many Porsche owners choose the RS-style single-belt conversion during engine rebuilds or restorations to recreate the appearance and engineering of Porsche's iconic Carrera RS models.

Benefits include:

Factory RS-inspired appearance.
Simplified belt arrangement.
Reduced maintenance compared to the standard twin-belt setup.
Ideal upgrade during engine rebuilds.
Perfect for RS tribute and lightweight builds.
Premium CNC-machined construction.
Improved engine bay aesthetics.
High-quality corrosion-resistant finish.

Whether restoring a classic air-cooled Porsche or building an RS-inspired road or track car, this conversion provides the ideal finishing touch.

Premium Engineering

Designed to deliver exceptional strength, precision and long-term reliability.

Benefits

Installing this RS Conversion Fan Hub provides:

Authentic factory RS appearance.
Cleaner, simplified engine bay.
Lightweight aircraft-grade aluminium construction.
Long-lasting anodised finish.
Reliable cooling fan drive.
Excellent fit and dimensional accuracy.
Straightforward installation.
Ideal for restoration, fast road and track applications.

Installation Recommendations

Professional installation is recommended.

During installation it is advisable to inspect or replace:

Cooling fan.
Alternator.
Fan housing.
Fan strap.
Drive belt.
Pulley components.
Bearings.
Mounting hardware.
Engine cooling shims.

Replacing associated components during installation helps maximise reliability and ensures the cooling system performs as intended.

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

99310605180

96410605130

96410605131

99310605180

The product you are viewing cross references to these numbers

Enter your VAT number here and click Verify:

cover plate Genuine Porsche part 96410603620