Browse GMC Sierra 1500 Pickup Fuel Injector Price & GMC Sierra 1500 Pickup Fuel Injection System Parts. Order GMC Sierra 1500 Pickup Components Of Fuel Injector. To ensure your GMC Sierra 1500 Pickup runs smoothly, regular maintenance of fuel injection parts is critical. These components are responsible for delivering fuel efficiently to your engine, and signs of wear include rough idling and reduced fuel economy. Extend their lifespan by using high-quality fuel and replacing filters regularly. When shopping on our e-commerce platform, you'll find a range of injectors, fuel rails, and pressure regulators, each with distinct features to match your model's specifications. Opt for OEM-grade materials for durability, and remember, proper installation is key to performance—consider professional fitting to guarantee peak engine efficiency.