Shop Fuel Injectors. Discover Fuel Injector Cleaner & Fuel Nozzle. Explore Diesel Fuel Nozzle. Find Fuel Injector Tester. Order Fuel Injector Liquid. To ensure your engine runs smoothly, regular maintenance of fuel injectors is crucial. Look out for rough idling or poor acceleration as signs that you might need a replacement. When selecting new fuel injectors, consider the type?throttle body, port, or direct injection?each designed for specific performance needs. Opt for high-quality materials for durability and efficiency. Installation is a breeze with the right tools, but for optimal results, professional fitting is recommended to boost your vehicle's power and fuel economy. Shop with us for premium options that cater to every car model, ensuring a perfect match for your vehicle's requirements.