Gledewen Fuel Line Kit for 2004-2010 Chevy Silverado & GMC Sierra 1500-3500 — Nylon Fuel and Vent Lines, Quick-Connect Fit

Gledewen fuel and vent line kit replaces corroded metal lines on 2004–2010 Chevrolet Silverado and GMC Sierra trucks for a reliable fuel feed and sealed connections.

If the original fuel or vent lines on your Silverado or Sierra are rusted, cracked, or leaking, this complete replacement kit restores safe fuel routing and helps prevent evaporative emissions issues. The set includes a new fuel line, vent hose, a metal connector, quick-connect fittings and accessories engineered to match factory routing and part numbers FL-FG0340 / FG0340.

Which trucks and engines does this kit fit?

This kit is designed specifically for model years 2004 through 2010 of Chevrolet Silverado and GMC Sierra 1500, 2500, and 3500 pickups with common V6 and V8 engines. It covers 4.3L, 4.8L, 5.3L, 6.0L and 8.1L variants and fits all wheelbase lengths except certain Flex Fuel cab chassis models.

• Compatible: 2004–2010 Silverado/Sierra 1500, 2500, 3500 (4.3L–8.1L)
• Exact OE cross-references: FL-FG0340, FLFG0340, FG0340
• Not compatible with 2004–2005 Flex Fuel cab chassis trucks
• Designed to replace rust-prone metal fuel and vent lines mounted to the frame

What parts are included and how do they improve performance?

The kit contains all the pieces needed to replace worn or corroded lines — minimizing fuel leaks and restoring secure connections. High-quality nylon construction resists rust and environmental degradation, offering longer service life than metal lines that sit near road grime and salt.

• Contents: 1 fuel line, 1 vent line, 1 metal connector
• Includes 2 plastic quick-connect fittings and 2 quick-connect accessories
• Four zip ties for routing and securing the lines
• Nylon tubing resists cracking, corrosion, salt and mud

How difficult is installation and who should do it?

Installation replaces frame-mounted metal lines with pre-sized nylon parts intended to match OEM routing and connections. While designed for a straightforward swap, working on fuel systems carries safety considerations — using a trained technician or experienced DIYer with appropriate tools is recommended.

• Pre-sized components for direct replacement of rusted metal lines
• Quick-connect fittings to simplify attachment to factory connectors
• Zip ties included to secure hoses to the frame
• If unsure, professional installation reduces leak risk and ensures proper routing

What warranty and quality assurances are provided?

Gledewen inspects each fuel line assembly and backs the kit with a 24-month warranty for replacement or refund if issues arise. The kit is manufactured to meet fit and function expectations and carries the listed OE reference numbers for part confirmation.

• 24-month limited warranty for replacement or refund
• Manufactured to replace original rusted metal lines reliably
• Passed multi-inspection processes for fitment and sealing performance
• OE part number cross-references included for verification

Who is this for: This Gledewen fuel and vent line kit is intended for owners, mechanics and fleet managers who maintain 2004–2010 Chevrolet Silverado or GMC Sierra trucks (1500/2500/3500) with 4.3L–8.1L engines and need a durable, corrosion-resistant replacement for aging frame-mounted fuel and vent lines. It’s especially useful where original metal lines have begun to rust or leak, and when a longer-lasting nylon solution is preferred. For safety and optimal results, have a qualified technician perform the replacement if you are not experienced working on vehicle fuel systems.