Enter your VAT number here and click Verify:
Your details have been verified. VAT number registered to:
,
.
Your order will now be zero rated for VAT purposes. We reserve the right to verify these details after your order request has been made and reinstate VAT if required.
Your VAT details were not recognised or were invalid. Your VAT number must be matched to your Billing Country as specified above. This is currently specified as . You do not need to enter the country code part of your VAT number as this has already been selected in your billing address details above.
The VAT number checking service is currently offline. Please supply your VAT details within the comments or special instructions field below and we will apply a VAT discount after placing your order request.
Check vehicle fitment
Porsche
99763521
Product Information

Please note this part has been modified by Porsche and requires an adaptor plug part number 99761294700 (required for each horn)
Fits:
Porsche 987 Boxster MKI & MKII 2005-12
Porsche 987 Cayman MKI & MKII 2005>>
Porsche 997 Carrera MKI & MKII 2008-12
Porsche 997 Turbo MKI & MKII 2008-12
Porsche 997 GT3 2007>>
This product supersedes Porsche's old part numbers:
- 99763520503 (LOW) / 99763520603 (HIGH)
- 99763520504 (LOW) / 99763520604 (HIGH)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99763521
The product you are viewing cross references to these numbers
Product Information
Horn Low/High-Pitched. 
Please note this part has been modified by Porsche and requires an adaptor plug part number 99761294700 (required for each horn)
Fits:
Porsche 987 Boxster MKI & MKII 2005-12
Porsche 987 Cayman MKI & MKII 2005>>
Porsche 997 Carrera MKI & MKII 2008-12
Porsche 997 Turbo MKI & MKII 2008-12
Porsche 997 GT3 2007>>
This product supersedes Porsche's old part numbers:
- 99763520503 (LOW) / 99763520603 (HIGH)
- 99763520504 (LOW) / 99763520604 (HIGH)
Related reference numbers
Related, superseded, cross reference or alternative numbers for comparison.
99763521
99763520604
99763520603
99763520503
99763520504
99763521500
99763521600
99763521601
99763521501
The product you are viewing cross references to these numbers
Vehicle Group
Vehicle Group
- Porsche Boxster 987 2.7L 2005 -08/08
- Porsche Boxster 987 S 3.2/3.4L 2005-08/08
- Porsche Boxster 987 MKII 2.9L 2009-2012
- Porsche Boxster S 987 MKII 3.4L 2009-2012
- Porsche 997 MK1 Carrera 2 3.6L 2005-08
- Porsche 997 MK1 Carrera 2S 3.8L 2005-08
- Porsche 997 MK1 Carrera 4 3.6L 2005-08
- Porsche 997 MK1 Carrera 4S 3.8L 2005-08
- Porsche 997 MK1 TURBO 2007-09
- Porsche 997 MK1 GT3 2007-09
- Porsche 997 MK1 GT2 2007-09
- Porsche 997 MKII Carrera C2 3.6L 2009-12
- Porsche 997 MKII Carrera C4 3.6L 2009-12
- Porsche 997 MKII Carrera C2S 3.8L 2009-12
- Porsche 997 MKII Carrera C4S 3.8L 2009-12
- Porsche 997 MKII GT3 2010-11
- Porsche 997 MKII Turbo 2010-13
- Porsche 997 MKII GT2 RS 2011-13
- Porsche Cayman 2.7L 987C 2006-08
- Porsche Cayman S 3.4L 987C 2005-08
- Porsche Cayman 2.9L 987C MKII 2009-12
- Porsche Cayman S / R 3.4L 987C MKII 2009-12
Select below
Prices from: €45.85
