Diodes for Alternators & Generators

In an alternator, diodes act as a one-way electrical valve, converting the alternating current (AC) generated by the stator into direct current (DC). This DC power is then used to charge the vehicle's battery and power its electrical systems. Without functioning diodes, the alternator cannot properly charge the battery.

Common symptoms of failing alternator diodes include a weak or dead battery, flickering or dim headlights, unusual whining noises from the alternator, or a burning smell. A battery warning light on your dashboard might also illuminate. A professional mechanic can perform a diode test to confirm the fault.

While it's technically possible to replace individual diodes, it's often more practical and reliable to replace the entire rectifier assembly, especially for DIY enthusiasts. The rectifier assembly contains all the necessary diodes in one unit, simplifying the repair process and ensuring all components are new and matched for optimal performance.

tudo.lk offers a wide selection of high-quality, durable diodes specifically designed for alternators and generators. We provide island-wide delivery across Sri Lanka, convenient payment options including Credit Card and KOKO installment plans, and competitive pricing, making us your trusted source for automotive electrical components.

At tudo.lk, we accept secure Credit Card payments for your convenience. Additionally, you can utilize KOKO installment plans to manage your purchases. We also offer reliable island-wide delivery, ensuring your diodes and other automotive parts are delivered directly to your doorstep anywhere in Sri Lanka.