Compatible with: Our 819-840 Fuel Lines fit for Chevy Silverado 1500 / 2500 1999-2003, Silverado 2500 HD / 3500 2001-2003; Compatible with GMC Sierra 1500 / 2500 1999-2003, Sierra 2500 HD / 3500 2001-2003 Part Number: 819-840, 15043857, 15765803 Design Concept:Our 819-840 Fuel Lines use corrosion-resistant materials to improve durability, Our flexible wiring is designed to precise lengths for specific applications, making it easier to route underneath the vehicle Included: With the Filter, the kit includes a filter that purifies fuel, ensuring smoother engine operation. High-quality stainless steel braided PTFE hose, which has good protection effect, soft, tough and wear-resistant Installation: Just connect the 819-840 fuel lines to the corresponding connection port, and then fix it with the attached steel clip, The line length and connection port of our fuel lines are precisely designed, so the installation is easy and convenient 819-840 Fuel Lines Compatible with Chevy Silverado GMC Sierra 1500 2500 2500 HD 3500 1999 2000 2001 2002 2003 Flexible Stainless Steel Braided Fuel Line PTFE tubing Replace 15043857 15765803