JkorkM Fuel Line Kit for Chevy Silverado & GMC Sierra 1999–2003 — Braided Stainless PTFE Direct-Fit

JkorkM 819-840 fuel line kit is a direct-fit braided stainless steel PTFE replacement set designed to restore fuel delivery on 1999–2003 Chevy Silverado and GMC Sierra trucks.

This complete kit replaces OEM part numbers 819-840, 819840, 15043857 and 15765803 with flexible, corrosion-resistant braided stainless steel fuel hoses and includes all necessary clamps and a gasoline engine filter. Built for both gasoline and diesel applications, the lines are pre-measured for specific Silverado/Sierra models so you can swap out rigid, aging factory lines for a flexible, longer-lasting solution. While the kit simplifies the parts side of a fuel-line repair, professional installation is recommended to ensure correct routing and leak-free connections.

How does this kit match my 1999–2003 Chevy or GMC fuel system?

The hoses in this set are manufactured to match the factory routing lengths for Silverado and Sierra applications listed in the compatibility notes. Using the same connection points and a similar curvature, they minimize trimming or modification during install. Check the vehicle fit list before purchasing to confirm exact model compatibility.

• Direct replacement for OEM numbers 819-840, 15043857, 15765803
• Pre-cut lengths tailored to 1999–2003 Silverado/Sierra configurations
• Includes steel clips to replace failing factory clamps

Why choose braided stainless PTFE lines over original rigid or nylon lines?

Braided stainless steel over PTFE helps resist corrosion, dry rot and cracking that commonly affect older rubber or nylon lines. The construction provides improved puncture resistance and better leak prevention while remaining flexible enough for easier routing in tight engine bays. This means a longer service life and fewer follow-up repairs compared with brittle or corroded original lines.

• Stainless braid shields PTFE inner hose from abrasion and corrosion
• Superior leak resistance compared with aged nylon or rubber hoses
• Compatible with gasoline and diesel fuels without material breakdown

What comes in the kit and what do I need to install it?

The package contains four fuel hoses, a set of seven pipe clamps, and a gasoline engine filter, plus a 12-month warranty from JkorkM. Installation typically requires standard hand tools and some mechanical experience; instructions are not included, so many owners prefer having a professional mechanic perform the swap to ensure proper connections and safety. Confirm you have the correct replacement kit for your truck before proceeding.

• Included: 4 fuel hoses, 7 pipe clamps, 1 gasoline filter, warranty
• Recommended tools: wrenches, hose pliers, thread sealant if specified by installer
• Professional installation advised for leak-check and safe routing

How durable and safe are these lines in everyday driving conditions?

The PTFE core resists chemical degradation from fuel while the stainless braid protects against abrasion and environmental corrosion, increasing longevity under road conditions. The kit’s materials are chosen to limit leaks and maintain consistent fuel delivery; however, correct installation and periodic inspections are essential for continued safety and performance. Avoid quick-fit shortcuts and replace any worn clamps or fittings during service.

• High-strength materials reduce risk of cracking and dry rot
• Stainless outer braid improves abrasion and corrosion resistance
• Designed for extended use in road and off-road environments

Who is this for: The JkorkM 819-840 Fuel Line Kit is aimed at owners or technicians working on 1999–2003 Chevrolet Silverado and GMC Sierra 1500/2500/3500 trucks who need a reliable, OEM-length replacement for aging fuel lines. It’s also suited to shops and DIYers who want an upgraded, corrosion-resistant solution for gasoline or diesel fuel systems. If you prefer pre-cut, vehicle-specific hoses that reduce routing hassles and improve long-term durability, this kit provides a complete parts set backed by a one-year warranty.