Electrical & Relays

Porsche Electrical Parts & Relays

At Design911, we stock one of the widest ranges of Porsche electrical parts, switches, motors, pumps, and relays for both modern and classic models. From the simplest window switch to complete electronic control units, we have everything you need to keep your Porsche’s electrical systems operating flawlessly.

The most common electrical components are found in everyday use — such as door switches that control windows, wing mirrors, and sunroofs — but we also supply specialist parts like roof activators, ignition switches, wiper motors, and fuel pumps. Every part we sell is sourced from genuine Porsche suppliers or trusted aftermarket manufacturers, ensuring durability, performance, and perfect fitment.

Everyday Porsche Electrical Parts Available

We provide virtually every switch, motor, and relay you could require, including:

• Switches – Wiper, seat, window, handbrake, hazard, reverse light, clutch/brake, ignition, dashboard, and sunroof switches
• Motors & Mechanisms – Window motors, wiper motors, window regulators, spoiler activators, sunroof motors, and central locking motors
• Pumps – Fuel pumps, washer pumps, and hydraulic pumps
• Relays & Fuses – Wide range of Porsche electrical relays, fuse boxes, and connectors
• Control Units – Smart Top modules, cruise control units, and ECUs
• Security & Safety – Alarms, trackers, airbags, and central locking systems
• Other Electrical Accessories – Tyre pressure monitoring sensors, electronic horns, lighting relays, and mirror switches

No matter the model or year, if your Porsche has an electrical fault, we can supply the replacement part quickly and at a competitive price.

Why Electrical & Relay Parts Are Essential

Every Porsche relies on dozens of electrical relays and switches to perform everyday tasks — from starting the engine to operating windows, wipers, and lights.

These components:

• Control critical functions like fuel delivery, ignition, and braking systems
• Provide comfort and convenience through powered windows, seats, and sunroofs
• Enhance safety with airbags, alarms, hazard systems, and warning lights

When these parts fail, even simple issues can leave your Porsche unsafe or unusable.

Common Electrical Faults & Signs to Watch For Include

• Windows or mirrors stop responding
• Wipers fail or move erratically
• Warning lights staying on or not illuminating
• Car struggles to start or cuts out unexpectedly
• Intermittent failures in lighting, indicators, or fuel systems
• Burning smell or clicking noises near relays/fuse boxes

Replacing Electrical Relays in Your Porsche

Relays are small but vital components. They control high-current circuits such as fuel pumps, fans, and headlights. Over time, relays can wear out due to heat and repeated use.

• When to replace: At the first sign of electrical failure, clicking noises, or intermittent performance.
• How to replace: Locating relays often requires professional diagnosis, as they may be buried in fuse panels or control units.
• Result: Once replaced, the affected system should return to normal operation immediately.

Why Choose Design911

• Comprehensive Range – From minor switches to complete control units
• OEM & Aftermarket Options – Genuine Porsche parts plus cost-effective alternatives
• Worldwide Delivery – Expertly packed and shipped quickly
• Expert Support – Our specialists can help identify the right electrical part for your Porsche

Shop Porsche electrical parts & relays today – from switches and pumps to full control units – and keep your Porsche reliable, safe, and performing at its best.