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Relays / Fuses

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DISPLAYING 1 to 11 (of 11 products)
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99960708400
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Flat fuse 10A (19/2x5) for Porsche.

porsche

Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16 incl. Spyder
Porsche 982 Boxster 2017>> incl. Spyder
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 981C Cayman 2014-16 incl. GT4
Porsche 982C Cayman 2017>> incl. GT4
Porsche 997.1 2005-08 all
Porsche 997.2 2009-12 all
Porsche 991.1 2012-16 all
Porsche 991.2 2017-19 all
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18
Porsche 95B.1 Macan 2014-18
Porsche 95B.2 Macan 2018-21
Porsche 95B.3 Macan 2021>>
Porsche 970 Panamera 2010-16
Porsche Carrera GT 2004-06
Porsche 918 Spyder 2015

* Please check and match the part number of your fuse in your car before ordering.

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99960708400
99960708400

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Special Order item
99960708500
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Fuse 15A for Porsche.

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 996 1998-04 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06

* Please check and match the part number of your fuse in your car before ordering.

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Related, superseded, cross reference or alternative numbers for comparison.

99960708500
99960708500
99960700700
99960705800
N0171316
N01713112

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Special Order item
99960708700
Product Information
Product Information
Fuse 25A for Porsche.

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 996 1998-04 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06

* Please check and match the part number of your fuse in your car before ordering.

Related reference numbers
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99960708700
99960708700

The product you are viewing cross references to these numbers
Special Order item
99960708800
Product Information
Product Information
Fuse 30A for Porsche.

porsche

Fits:
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06

* Please check and match the part number of your fuse in your car before ordering.

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99960708800
99960708800

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Special Order item
99960707300
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Product Information
Fuse E40A Large for Porsche

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16 incl. Spyder
Porsche 982 Boxster 2017>> incl. Spyder
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 981C Cayman 2014-16 incl. GT4
Porsche 982C Cayman 2017>> incl. GT4
Porsche 993 1994-998 all
Porsche 996 1998-05 all
Porsche 997.1 2005-08 all
Porsche 997.2 2009-12 all
Porsche 991.1 2012-16 all
Porsche 991.2 2017-19 all
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18
Porsche 970 Panamera 2010-16
Porsche 971 Panamera 2017-21

* Please check and match the part number of your fuse in your car before ordering.

Related reference numbers
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99960707300
99960708800

The product you are viewing cross references to these numbers
Special Order item
99960708200
Product Information
Product Information
Fuse 5A for Porsche.

porsche

Fits:
Porsche 987.1 Boxster 2005-08
Porsche 987.2 Boxster 2009-12
Porsche 981 Boxster 2012-16 incl. Spyder
Porsche 982 Boxster 2017>> incl. Spyder
Porsche 987C.1 Cayman 2005-08
Porsche 987C.2 Cayman 2009-12
Porsche 981C Cayman 2014-16 incl. GT4
Porsche 982C Cayman 2017>> incl. GT4
Porsche 996 1998-05 all
Porsche 997.1 2005-08 all
Porsche 997.2 2009-12 all
Porsche 991.1 2012-16 all
Porsche 991.2 2017-19 all
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2011-18
Porsche 95B.1 Macan 2014-18
Porsche 95B.2 Macan 2018-21
Porsche 95B.3 Macan 2021>>
Porsche 970 Panamera 2010-16

* Please check and match the part number of your fuse in your car before ordering.

Related reference numbers
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99960708200
99960708200

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Special Order item
99960707700
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Product Information
Fuse 60A.

porsche

Fits:
Porsche 997.2 Carrera 2009-12
Porsche 997.1 Turbo 2007-09
Porsche 997.2 Turbo 2010-13
Porsche 955 Cayenne 2003-06
Porsche 957 Cayenne 2007-10
Porsche 958 Cayenne 2010-18
Porsche 970 Panamera 2010-16
Porsche 971 Panamera 2017-21

* Please check and match the part number of your fuse in your car before ordering.

Related reference numbers
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99960707700
99960707700

The product you are viewing cross references to these numbers
Special Order item
99960708300
Product Information
Product Information
Fuse 7.5A for Porsche.

porsche

Fits:
Porsche 986 Boxster 1997-04
Porsche 987 Boxster MKI & MKII 2005>>
Porsche 987C Cayman MKI & MKII 2006>>
Porsche 993 1994-98 all models
Porsche 996 1998-04 all models
Porsche 997 MKI & MKII 2005>> all models
Porsche 970 Panamera 2010>>
Porsche Cayenne 955 & 957 2003>>
Porsche Carrera GT 2004-06


* Please check and match the part number of your fuse in your car before ordering.

Related reference numbers
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99960708300
99960708300

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Special Order item
95561031400
Product Information
Product Information
Fuse installation tool. 

porsche

Fits:
Porsche 955 Cayenne - 2003 to 2006
Porsche 957 Cayenne - 2007 to 2010
Porsche 958 Cayenne - 2011 to 2018

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95561031400
95561031400

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95561802800
Product Information
Product Information
Glow plug control unit.

porsche

Fits:
Porsche 957 Cayenne 3.0L DIESEL 2007-10
Porsche 958 Cayenne 3.0L DIESEL >>2011

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

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95561802800
95561802800
4RV008188521
4E0907282A

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95561802800/1
Product Information
Product Information
Glow plug control unit.

hella
Hella ref no 4RV 008 188-521

Fits:
Porsche 957 Cayenne 3.0L DIESEL 2007-10
Porsche 958 Cayenne 3.0L DIESEL >>2011

Click 'Zoom in' for large parts diagram.
Diagram ref no 11

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

95561802800
95561802800
4RV 008 188-521
4RV008188521
4E0907282A

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DISPLAYING 1 to 11 (of 11 products)
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About Relays / Fuses

Relays and Fuses – Electrical Protection and Performance for Porsche Vehicles

Relays and fuses are critical components in your Porsche’s electrical system, ensuring that power is delivered safely and reliably to every circuit. From the ignition and lighting systems to the fuel pump and cooling fans, these components protect wiring and electrical modules from overload, short circuits, and potential failure.

At Design911, we stock a comprehensive selection of genuine and high quality relays and fuses for all Porsche models - including 911, Boxster, Cayman, Cayenne, Macan, and Panamera. Each part is built to the highest standards to ensure dependable performance and precise compatibility with your vehicle’s electrical system.

What Do Relays and Fuses Do?

Fuses act as the first line of defence in your vehicle’s electrical circuits. They break the circuit when current exceeds safe levels, preventing damage to components or wiring.

Relays
act as electronic switches that control high-current devices using low-current signals. They allow systems like headlights, fuel pumps, fans, and wipers to operate efficiently without overloading the control switches.

Together, they form a vital network that maintains safety, functionality, and reliability across your Porsche’s electrical system.

Why Do Relays and Fuses Fail?

Over time, electrical components are subject to wear, heat, and environmental factors that can lead to failure. Common causes include:

  • Overheating or overcurrent loads blowing the fuse.
  • Aging or corroded relay contacts leading to intermittent operation.
  • Moisture ingress or corrosion within the fuse box or relay socket.
  • Vibration or mechanical stress loosening connections.
  • Electrical short circuits caused by wiring faults or damaged insulation.

Symptoms of faulty relays or fuses can include malfunctioning lights, non-start conditions, intermittent accessory operation, or completely dead electrical systems.

Why Replace Faulty Relays and Fuses?

Replacing worn or damaged relays and fuses is essential to maintain your Porsche’s electrical integrity and prevent more serious system failures. Using quality replacements ensures proper current flow, system protection, and long-term reliability.

Benefits of replacement include:
Restored function of electrical systems and accessories.
Protection from wiring damage or electrical fires.
Enhanced safety and dependability.
High-level quality and fitment for lasting performance.

Every relay and fuse in this range is precision-tested and manufactured to match factory specifications, ensuring seamless compatibility and peace of mind on the road.

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