air duct Genuine Porsche part 99310640300

Code: 99310640300

Genuine Porsche part

air duct

The product code 99310640300 was also found on these diagrams

105-05 - air duct

air duct 993 1994-98

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.

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Engine air duct for engine fan. Porsche 993

99310640300/1

Product Information

This OE Match engine air duct is a replacement cooling air guide fitted around the engine fan system. It is specifically intended for Porsche 993 Varioram applications and is designed to match the original-style fitment and function.

Fits:
*** for Varioram cars only engine M64.21 / 22 / 23 / 24
Porsche 993 C2 / C2S 1994 - 1998
Porsche 993 C4 / C4S 1995 - 1998
Porsche 993 Turbo 1995 - 1998

Diagram ref no 5

What This Product Does

The duct forms part of the air-cooled engine's airflow system, guiding air to the engine fan. Correct duct alignment helps maintain the intended airflow path around the cooling assembly.

Functions

Channels air towards the engine cooling fan
Supports the intended engine cooling airflow path
Replaces a cracked, warped or missing original duct
Helps prevent unwanted gaps around the fan ducting

Technical Details

Brand: OE Match
Reference number: 99310640300
Application restriction: Varioram cars only
Engine codes: M64.21 / 22 / 23 / 24
Diagram reference: 105-05, item 5

Symptoms of Fault

Visible cracking, warping or damage to the duct
Gaps or poor alignment around the cooling fan assembly
Rattling or vibration from loose ducting
Hot air recirculation within the engine compartment
Engine temperatures running higher than expected

Why Replacement Matters

A damaged or incorrectly seated duct can disrupt airflow through the air-cooled engine system. Replacing the affected component restores the ducting arrangement and helps the fan direct cooling air as intended. Inspect the surrounding fixings and adjacent ducting during installation.

FAQs

Is this suitable for every Porsche 993?
No. This application is specified for the Varioram models and engine codes listed above.
When should the duct be replaced?
Replacement should be considered if the existing part is cracked, distorted, loose or missing.
Where is this part shown on the diagram?
It is identified as item 5 on diagram 105-05.

Related reference numbers
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99310640300

99310640300

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air duct Genuine Porsche part 99310640300