Fuel Line Kit 3/8 in 6AN 20ft Nylon Stainless Steel Braided - Durable

In this review the Fuel Line Kit 3/8 in 6AN 20ft from IKer is evaluated for DIY mechanics and professional installers who need a flexible, heat-resistant fuel and oil line solution. The bottom line: this kit stands out for its temperature range and abrasion resistance, making it a practical choice when a durable, all-purpose braided hose assembly is needed. It is suitable for fuel, oil return, oil cooler and many hydraulic or coolant routing tasks, but those planning to run E85 should look elsewhere.

Key Features

• Construction: The hose pairs a chlorinated polyethylene (CPE) inner tube with a full black nylon fiber braided jacket for improved abrasion resistance and bending flexibility.
• Temperature Range: Rated from -100F to 500F, the hose tolerates extreme cold and high heat environments common in engine bays and turbocharged systems.
• Pressure Ratings: A working pressure of 500 psi and a bursting pressure around 2000 psi provide a solid safety margin for many fuel, oil, and hydraulic applications.
• Complete Kit: Includes 20 ft of AN6 braided hose and multiple swivel fittings (straight, 45, 90 and 180 degree) so fittings can be assembled to suit routing needs without sourcing additional adapters.
• Versatile Use: Compatible with coolant, diesel, engine oil, hydraulic oil, pump air and fuel (except E85), making it useful for oil return, fuel filters, turbo cooler lines and similar systems.

Who It's For

This kit is aimed at automotive DIYers, custom-fabrication shops and performance enthusiasts who need a flexible, abrasion-resistant AN6 hose for fuel, oil return, cooler or transmission lines. The included swivel fittings let installers tailor the routing without extensive additional hardware.

It is not the right choice for projects that require E85 compatibility or where absolute long-term chemical resistance to aggressive fuels is essential. Professional installation is recommended to ensure correct crimping and sealing when used in critical systems.

Pros & Cons

Pros

• Full nylon braided jacket resists abrasion and improves routing flexibility under heat.
• Wide operating temperature range suits engine bays and turbo applications.
• Good working and burst pressure ratings provide confidence for many fuel and oil uses.
• Comes as a complete kit with straight and angled swivel fittings to simplify installation.

Cons

• Service life may be shortened when used continuously with fuel; not recommended for E85 use.
• Professional installation and the proper AN wrench are recommended, which adds to installation cost for some users.

Specifications

Size	AN6 (3/8 in)
Hose Length	20 ft (6 m)
Working Pressure	500 psi
Burst Pressure	2000 psi
Operating Temperature	-100F to 500F (-73C to 260C)
Inner Material	Chlorinated polyethylene (CPE)
Jacket	Black nylon fiber braid with stainless steel elements

Our Verdict

The IKer AN6 20 ft braided fuel line kit is a sensible, value-oriented option for anyone needing a heat-tolerant, abrasion-resistant hose for oil return, fuel filter lines, turbo cooler or hydraulic routing. It covers many use cases with solid pressure and temperature specs, but installers should avoid E85 and consider professional fitting for a reliable long-term installation.

Frequently Asked Questions

Can this hose be used with E85?
No. The manufacturer specifically notes it is not suitable for E85 and service life may be shortened with certain fuels.

Are fittings included in the kit?
Yes. The package includes four straight swivel ends, two 45 degree, two 90 degree and two 180 degree swivel fittings along with the 20 ft hose.

What tools are recommended for installation?
Professional installation is recommended and an adjustable AN wrench is suggested to properly tighten the fittings and avoid damage.