Best Automotive Replacement Fuel Lines (2026 Guide)
We prioritized high aggregate ratings and review volume, material and diameter specifications, vehicle compatibility, and inclusion of necessary fittings or hardware
The Verdict
- Best Overall: GM Genuine Parts Intermediate Fuel Feed Pipe — Best for OEM replacements: intermediate feed pipe suited to original GM fuel-system routing and fitment
- Best Value: SAE 30R9 fuel hose 5/16" ID, 10ft high-pressure push-lock line — Best flexible hose: SAE 30R9 5/16" ID push-lock line for high-pressure small-engine and automotive runs
This guide compares top-rated automotive replacement fuel lines and related hoses and kits chosen for widespread vehicle compatibility, material type, and high user ratings. Selections were based on aggregate rating, review volume, material specs, and common repair use cases to help you find the right replacement for fuel-system repairs
Top Picks
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1
Best Overall GM Genuine Parts Intermediate Fuel Feed Pipe
Best for OEM replacements: intermediate feed pipe suited to original GM fuel-system routing and fitment
Fuel feed pipe directed to optimize performance. GM Genuine Parts are designed, engineered and tested to rigorous standards and backed by General Motors. Customer note: fits perfectly and works great
- rigorous standards
- OEM backing
- perfect fit
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2
Kreem 19-103 Fuel Tank Liner Combo Pack, 3 Pack, Black
Best for tank protection: combo pack of liners designed to stop rust and seal minor tank damage
3-step system that seals and protects fuel tank; helps prevent rust and leaks. Customers note effective sealing of pinholes and long-lasting durability
- 3-step protective system
- vehicle-specific fit
- rust and leak prevention
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3
Best Value SAE 30R9 fuel hose 5/16" ID, 10ft high-pressure push-lock line
Best flexible hose: SAE 30R9 5/16" ID push-lock line for high-pressure small-engine and automotive runs
SAE 30R9 fuel hose with 5/16" ID, 10 ft length, designed for fuel injection systems. High-pressure construction with working pressure up to 300 psi and a wide operating range (-40F to 302F). Customer insight notes neutral sentiment
- SAE 30R9 / SAEJ30R9 rated
- 300 psi working pressure
- 10 ft length
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4
Fuel Line Hose Kit 6PCS 10FT with 30 clamps for small engines
Best kit for small engines: six-piece hose set with 30 clamps tailored for lawnmowers and compact equipment
6-size fuel hose kit with 10 ft total length and 30 clamps. Premium NBR + braided fibers, 3mm wall, rated for 300 PSI working, 1200 PSI burst. Suitable for lawn mowers, ATVs, tractors and other small engines. Customer insight: diverse project readiness
- 6 hose sizes included
- 30 clamps provided
- 300 PSI working pressure
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5
1/2 inch Aluminum Fuel Line Coil 25ft
Best long hardline coil: 25ft of 1/2" aluminum tubing for custom rigid fuel runs and retrofits
Aluminum fuel hardline tubing for automotive use, easy to cut, bend, flare, and polish. Includes 25ft coil; rated for up to 650 psi. One customer notes high quality and good value, while mixed ease of use and kink resistance are mentioned
- 750 psi max working pressure (rounded to 650 psi)
- extruded 3003 aluminum alloy
- 25ft coil for flexible layouts
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6
5/8" OD aluminum hard fuel line coil 16 ft
Best compact hardline coil: 16ft of 5/8" aluminum tubing for shorter rigid fuel-line replacements
Aluminum fuel hardline tubing with 5/8" OD and 0.035" wall, 16 ft coil. Lightweight, corrosion resistant, easy to cut, bend, flare, and polish. One customer notes good quality and flexibility, though ease of use and kink resistance are mixed
- 0.035 inch wall thickness
- coiled 16 ft length
- extruded 3003 aluminum alloy
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7
Stainless steel fuel line tubing, 16 ft, 3/8 in OD, grade 304
Best corrosion resistance: 304 stainless 3/8" OD tubing for durable, rust-resistant fuel hardlines
Stainless steel fuel line tubing coil, 16 ft of 3/8" OD, grade 304. Made in the USA. Good quality and appearance, though some note bendability and tooling needs in use
- grade 304 stainless steel
- 16 ft length
- Made in USA
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8
Diesel Fuel Injector Return Line Assembly for GM Duramax 6.6L LLY LBZ LMM
Best diesel return assembly: designed for Duramax 6.6L engines to replace injector return plumbing
Duramax diesel return line assembly with aluminum connectors and nitrile rubber hose. Thickened nylon braid enhances elasticity and abrasion resistance. Replace part numbers 98062291, 97328732, 97328733, 97359750. Customer insight: quality noted; aluminum fittings favored
- aluminum alloy connectors
- oil-resistant nitrile hose
- multi-model compatibility
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9
Fuel Lines Kit for Chevy Silverado/GMC Sierra (4.3-8.1L) Repair
Best for Chevy/GMC repairs: nylon fuel-line kit configured for Silverado and Sierra engine ranges
Nylon fuel vent line kit to replace rusted metal lines. Resistant to rust, rot, and cracking; easy installation. Customer insight: mixed sentiment present in feedback
- rust-resistant nylon lines
- easy-to-install vent kit
- engine-compatible range
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10
Nylon Fuel Line for Chevy/GMC 1988-1997
Best vintage GM fitment: nylon fuel line suited to 1988–1997 Chevy and GMC models with braided reinforcement
Nylon fuel line with flexible stainless steel braided construction. Replaces OEM numbers NFR0013, GM23B, FL-GM22B, FL-GM22B-T for select Chevy/GMC trucks. Customer insight: None
- stainless steel braided flexibility
- multi-OEM-number compatibility
- fits Chevrolet/GMC 1988-1997 trucks