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Design 911 Design 911 supply Porsche parts, Porsche spares and Porsche accessories, to both retail and to the trade. Our Porsche product and accessory range includes brakes, exhausts, tyres, wheels and Porsche panels and interiors. https://design91.uk/images/schemaLogo.png https://design91.uk/images/schemaLogo.png +443456003478 https://design91.uk Facebook Instagram

Relays / Fuses

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DISPLAYING 33 to 37 (of 37 products)
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141951253B/2
Product Information
Product Information
Relay.

oematch

Fits:
Porsche 924 1976-85
Porsche 924s 1986-88
Porsche 928 1978-95
Porsche 944 1982-91
Porsche 964 1989-94
Porsche 968 1992-95
Porsche 993 1994-98

Relay for numerous purposes:
Horn, Additional headlamp, Rear window heating, Fog lamp, Starter motor, Electric window, Air conditioning, Stop light etc.

4 pin relay No 53

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

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Related, superseded, cross reference or alternative numbers for comparison.

141951253B
141951253B
171937503

The product you are viewing cross references to these numbers
Special Order item
92861810203
Product Information
Product Information
Seat belt warning time relay.

Fits:
Porsche 924 1980-85 (Version for Saudi Arabia, option code: 215)
Porsche 924 S 1986-88 (Version for Saudi Arabia, option code: 215)
Porsche 928 1983-95
Porsche 944 1982-91 (Version for: SA, USA, CDN)
Porsche 968 1992-95
Porsche 964 1989-94 (Version for Saudi Arabia, option code: 215)
Porsche 993 1995-98 (Version for Saudi Arabia, option code: 215)

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

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Related, superseded, cross reference or alternative numbers for comparison.

92861810203
92861810203

The product you are viewing cross references to these numbers
Special Order item
99965701790
Product Information
Product Information
Secondary Pump Relay.

porsche

Fits:
Porsche 993 1995-98
Porsche 996 C2/C4/C4S 1998-05 (M661) Relay socket/code: S10
Porsche 996Turbo 2001-05 (M661) Relay socket/code: S10
Porsche 986 Boxster 1997-04 (M661) Relay socket/code: S10

M661 - Stricter emisssion-control concept

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

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Related, superseded, cross reference or alternative numbers for comparison.

99965701790
99361511501
99361511500
99965701790

The product you are viewing cross references to these numbers
99965701790/1
Product Information
Product Information
Secondary pump relay.

Fits:
Porsche 993 1995-98
Porsche 996 C2/C4/C4S 1998-05 (M661) Relay socket/code: S10
Porsche 996Turbo 2001-05 (M661) Relay socket/code: S10
Porsche 986 Boxster 1997-04 (M661) Relay socket/code: S10

M661 - Stricter emission-control concept

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

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

99965701790
99361511501
99361511500
99965701790

The product you are viewing cross references to these numbers
Special Order item
PCG99310000
Product Information
Product Information
Spare bulb and fuse kit (12 Volt).
porsche

Fits:
For use on Porsche 993 (1994 to 1998, excluding Litronic).

The set comprises:
2x high beam/low beam light (H1),
2x indicator light,
reversing light,
fog light (21W),
2x tail/brake light (21/5W),
1x licence plate light (5W),
2x position light (4W),
2x side indicator (5W),
1x yellow indicator light (21W),
2x blade-type fuse (7.5A),
2x blade-type fuse (15A),
2x blade-type fuse (25A),
2x blade-type fuse (30A).

The packaging comprises a white Porsche Classic designer metal box with foam inserts.

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

PCG99310000
PCG99310000

The product you are viewing cross references to these numbers
DISPLAYING 33 to 37 (of 37 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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