Collection: Auto - Relay

Control high-current accessories and protect your wiring with our selection of Auto Relay components. At DIY Customs, we provide high-durability SPDT and SPST relays, specialized waterproof 12V/24V power modules, durable relay sockets with pigtails, and heavy-duty continuous-duty solenoids designed for a perfect fit in automotive lighting, high-power audio, and dual-battery systems. Whether you are wiring a specialized light bar for off-road use, installing a high-amperage fuel pump relay for a performance build, or seeking specialized fused relays for integrated circuit protection, our professional-grade electronics offer the switching reliability and heat resistance you need at unbeatable prices. From specialized micro-relays to direct-fit modules for popular domestic and import electrical systems, we carry the essential gear for every power management project. Don't see the specific amperage rating (30A to 200A+), pin configuration (4-pin / 5-pin), or specialized sealed relay for your engine bay? Hit the live chat or call 412-882-8346—we can special order and drop-ship exactly what you are looking for directly to your doorstep!