Intermediate Shaft flange Hexagon-head bolt M 6 X 20. Porsche 996 Carrera / 986 Boxster / 997.1 / 987 Boxster / 987C.1 Cayman  ›  90038509301

Intermediate Shaft flange Hexagon-head bolt M 6 X 20
This original Porsche fastening bolt secures the intermediate shaft bearing cover / flange to the engine assembly, helping maintain correct positioning and fastening of the intermediate shaft support components. An essential replacement part when carrying out intermediate shaft bearing repairs, engine timing system maintenance or intermediate shaft flange removal.
Sold individually, Typically 3 bolts required per intermediate shaft bearing cover / flange assembly

Fits

• Porsche 986 Boxster 2.5L 1997 - 1999  - Engine code: 9620
• Porsche 986 Boxster 2.7L 1999 - 2004  - Engine code: 9622, 9623
• Porsche 986 Boxster 3.2L 1999 - 2004  - Engine code: 9621, 9624

• Porsche 987.1 Boxster 2.7L 2005 - 2008  - Engine code: 9625, 9720
• Porsche 987.1 Boxster 3.2L 2004 - 2006  - Engine code: 9626
• Porsche 987.1 Boxster 3.4L 2006 - 2008  - Engine code: 9721, 9722

• Porsche 987C.1 Cayman 2.7L 2006 - 2008  - Engine code: 9720
• Porsche 987C.1 Cayman 3.4L 2005 - 2008  - Engine code: 9721, 9722

• Porsche 996 Carrera 3.4L 1998 - 2001  - Engine code: 9601 / 9602 / 9604
• Porsche 996 Carrera 3.6L 2002 - 2005  - Engine code: 9603 

• Porsche 997.1 Carrera 3.6L 2005 - 2008  - Engine code: 9605
• Porsche 997.1 Carrera 3.8L 2005 - 2008  - Engine code: 9701  

Diagram ref no 15

What This Product Does

The Genuine Porsche 90038509301 intermediate shaft flange hexagon-head bolt is an OE M6 x 20 mm engine fastener associated with earlier references 90037815609 and 99921715009. 

Used to secure the intermediate shaft bearing cover / flange on selected Porsche 996 Carrera, 986 Boxster, 997.1 Carrera, 987 Boxster and 987C.1 Cayman engines, it is an essential component during IMS bearing maintenance and engine repairs.

Functions

• Secures the intermediate shaft bearing cover / flange.
• Helps maintain the correct position of the intermediate shaft support assembly
• Provides the specified fastening arrangement for the IMS bearing cover
• Helps maintain even clamping of the flange assembly
• Supports correct installation of associated engine timing components
• Replaces damaged, corroded or incorrectly specified original bolts.
  
  

Technical Details

• Part number: 90038509301
• Size: M 6 X 20
• Bolt type: Hexagon-head bolt 
• Thread diameter: M6
• Length: 20 mm
• Manufacturer: Porsche
• Application: Intermediate shaft bearing cover / flange fastening

Why Replace This Part? 

The intermediate shaft flange bolts are important fasteners within the engine assembly. During intermediate shaft bearing replacement or flange removal, existing bolts may become damaged, corroded or unsuitable for reuse. 

Incorrect or damaged fasteners may affect flange clamping and compromise the secure installation of the intermediate shaft bearing cover. 

Using the correct Genuine Porsche M6 x 20 bolt helps maintain the original fastening specification and reliable assembly.

When to Replace This Part

• During intermediate shaft bearing cover removal or refitting.
• When renewing the IMS flange or related sealing components.
• If the existing bolts are damaged or corroded.
• When undertaking an engine rebuild.
• If Porsche repair instructions specify new fasteners.
• When correcting incorrect IMS mounting hardware.
• During intermediate shaft assembly service.

Where It Fits on the Car

The bolt fits at the intermediate shaft bearing cover / flange assembly, located within the engine timing drive system. The intermediate shaft forms part of the camshaft timing drive arrangement on applicable Porsche flat-six engines. 

 These bolts secure the relevant cover / flange assembly in place.

Check fitment for your specific vehicle, model, year and engine before ordering.

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

90038509301

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