2001-Early 2004 GM/Chevrolet 6.6l Duramax LB7 Silverado & Sierra 2500HD/3500HD Dorman OE FIX Flexible Stainless Steel Braided Fuel Line 819-801The Dorman OE FIX Fuel Line 819-801 is a premium replacement rear fuel line engineered to address one of the most common fuel system failures found on 2001-2004 GM heavy-duty trucks. Factory steel fuel lines are susceptible to corrosion at the fittings, eventually causing leaks, fuel delivery issues, and costly repairs. Dorman’s OE FIX design improves upon the original equipment by replacing the rigid steel sections with flexible PTFE tubing wrapped in braided stainless steel and finished with corrosion-resistant stainless steel fittings for superior durability and service life.Unlike conventional replacement fuel lines, the 819-801 is manufactured to the exact length and configuration required for a direct installation, eliminating the need to bend or fabricate replacement tubing. The flexible braided construction also simplifies installation in tight areas while providing excellent resistance to vibration, road debris, chemicals, and corrosion. Designed as a direct-fit replacement, this fuel line restores dependable fuel delivery while helping prevent future corrosion-related failures.What’s IncludedDorman OE FIX Flexible Stainless Steel Braided Fuel Line (819-801)Pre-installed stainless steel quick-connect fittingsFactory-style connectorsReady-to-install direct replacement fuel lineFuel Line Features & BenefitsOE FIX design improves upon the factory fuel lineBraided stainless steel exterior provides superior corrosion resistancePTFE inner tubing offers outstanding chemical and fuel resistanceStainless steel fittings resist rust and deteriorationDirect-fit replacement manufactured to OEM dimensionsFlexible construction simplifies installation compared to rigid steel linesHelps restore proper fuel delivery and system reliabilityEliminates common corrosion issues found in factory fuel linesEngineered for long-lasting performance in harsh environmentsIdeal for daily drivers, work trucks, and fleet vehiclesCompatibility2001-2004 Chevrolet Silverado 2500HD2001-2004 Chevrolet Silverado 35002001-2004 GMC Sierra 2500HD2001-2004 GMC Sierra 3500Fuel system reliability is essential for any truck that sees daily driving, towing, or commercial use. The Dorman 819-801 fuel line provides a durable, corrosion-resistant solution that improves on the factory design while restoring dependable fuel delivery. With its flexible braided stainless steel construction and direct-fit installation, it is an excellent long-term repair for aging GM heavy-duty trucks.Shipping Disclaimer We ship via USPS, UPS, and FedEx. Carrier selection is based on package size, weight, and destination. Expedited shipping options available, call to check freight options Orders are processed within 1 business day (MondayFriday). Orders placed on weekends or holidays will be processed on the next business day. Tracking information will be provided once the item ships. Shipping to PO Boxes, APO/FPO may be limited based on carrier restrictions.California Proposition 65 WarningWARNING: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm.For more information, go to www.P65Warnings.ca.gov