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Febi 37520 Radiator Cap

Brand	Febi 37520
Material	Plastic
Colour	Black
Fits	Porsche · 37 vehicles

Radiator cap. Plastic construction with a black finish.

Cross-references 171 121 321 B, 171 121 321 C and 996 106 447 00 for the same application. See all 6.

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Febi 37520 Radiator Cap for Porsche Cooling Systems

Febi 37520 is a black plastic radiator cap for Porsche cooling system applications. It is listed for Porsche 911, Boxster, and Cayman models across the covered years, making it a direct-fit replacement option for owners searching for a Febi radiator cap for Porsche 911 cooling system service.

Key Features

Brand: Febi
Part number: 37520
Radiator cap for cooling system service
Plastic construction
Black finish
Compatible with Porsche 911, Boxster, and Cayman applications listed below

Detailed Description

Febi 37520 is a radiator cap built with a plastic body and black finish for Porsche cooling system applications. It cross-references Porsche OE numbers 996 106 447 00 and 996 106 447 01 for the same application. This part number is listed for 1999-2012 Porsche 911, 1997-2012 Porsche Boxster, and 2006-2012 Porsche Cayman, giving buyers a straightforward replacement path when servicing the radiator cap on these models. If you are searching for a Febi 37520 radiator cap for Porsche Boxster or Porsche Cayman cooling system maintenance, this listing matches the confirmed fitment data provided.

Vehicle Fitment

Fits 1999-2012 Porsche 911, N/A. Notes: Material: Plastic; Colour: black
Fits 1997-2012 Porsche Boxster, N/A. Notes: Material: Plastic; Colour: black
Fits 2006-2012 Porsche Cayman, N/A. Notes: Material: Plastic; Colour: black

Common Issues This Part Can Address

Damaged or cracked radiator cap housing
Worn cap that no longer seals properly
Cooling system pressure loss at the cap
Cap discoloration or heat-related plastic deterioration
Need for a direct replacement during Porsche cooling system service

Installation Notes and Tips

Confirm the OE cross-reference and vehicle application before installation. Inspect the radiator neck and sealing surface for debris, wear, or damage before fitting the new cap. Install on a cool engine and verify proper seating after replacement.

Quality Assurance

Febi is an established aftermarket brand for European vehicle components, and this radiator cap is cataloged to match the listed Porsche applications and OE cross-reference numbers.

This part fits 37 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Position	Notes
2012	Porsche	911	N/A	Material: Plastic; Colour: black
2012	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2012	Porsche	Cayman	N/A	Material: Plastic; Colour: black
2011	Porsche	911	N/A	Material: Plastic; Colour: black
2011	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2011	Porsche	Cayman	N/A	Material: Plastic; Colour: black
2010	Porsche	911	N/A	Material: Plastic; Colour: black
2010	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2010	Porsche	Cayman	N/A	Material: Plastic; Colour: black
2009	Porsche	911	N/A	Material: Plastic; Colour: black
2009	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2009	Porsche	Cayman	N/A	Material: Plastic; Colour: black
2008	Porsche	911	N/A	Material: Plastic; Colour: black
2008	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2008	Porsche	Cayman	N/A	Material: Plastic; Colour: black
2007	Porsche	911	N/A	Material: Plastic; Colour: black
2007	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2007	Porsche	Cayman	N/A	Material: Plastic; Colour: black
2006	Porsche	911	N/A	Material: Plastic; Colour: black
2006	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2006	Porsche	Cayman	N/A	Material: Plastic; Colour: black
2005	Porsche	911	N/A	Material: Plastic; Colour: black
2005	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2004	Porsche	911	N/A	Material: Plastic; Colour: black
2004	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2003	Porsche	911	N/A	Material: Plastic; Colour: black
2003	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2002	Porsche	911	N/A	Material: Plastic; Colour: black
2002	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2001	Porsche	911	N/A	Material: Plastic; Colour: black
2001	Porsche	Boxster	N/A	Material: Plastic; Colour: black
2000	Porsche	911	N/A	Material: Plastic; Colour: black
2000	Porsche	Boxster	N/A	Material: Plastic; Colour: black
1999	Porsche	911	N/A	Material: Plastic; Colour: black
1999	Porsche	Boxster	N/A	Material: Plastic; Colour: black
1998	Porsche	Boxster	N/A	Material: Plastic; Colour: black
1997	Porsche	Boxster	N/A	Material: Plastic; Colour: black
No rows match your filter.

Directly replaces or cross-references 6 part numbers

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

171 121 321 B171 121 321 C996 106 447 00996 106 447 01996 106 447 03996 106 447 04

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