Fuel cell lines - JKowners.com : Jeep Wrangler JK Forum
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post #1 of 4 Old 05-20-2018, 11:40 AM Thread Starter
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Fuel cell lines

So I'm needing a little bit of last minute help and guidance. I'm about to put in my Motobilt fuel cell into my 2012 2 door Wrangler and was looking to see what fuel lines everyone is running. I've searched on here before and never really found much. I'll be running the soft top part of the time so I'm wanting some fuel lines that don't make my entire Jeep smell like a gas station. Thanks in advance for the help guys!

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post #2 of 4 Old 05-20-2018, 04:38 PM
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I have used both Aeroquip AQP hose as well as XRP teflon hose on my custom fuel setup for the pressure line.

My experience with the Aeroquip hose was that it smelled very, very bad. The garage smelled like a gas station (not subtle, if you walked in you'd think there was a non-trivial gas leak somewhere in the garage every morning just from that hose section) and there's no doubt that sniffing around with my nose the entire hose was permeating vapors, it was not just a leaky end. I scrapped that hose, not going to deal with that level of gas odor.

Other people report no smell at all, in fact I read someone saying they had no smell ordering the exact same Aeroquip part number down to the length. No idea why it varies.

I ordered a pre-crimped teflon hose from XRP and zero odors. It costs a bit more, but totally worth it. Also safer if anywhere even close to exhaust as that teflon hose has an impressively high temperature rating unlike rubber hose.


In general, aftermarket rubber pressure hose is a gamble on odor. Teflon is 100% impermeable to gas and will never have an odor. Just be aware of the issue of complete insulation with teflon, cheap teflon gas hose can build up charge due to triboelectric charging and eventually it will potentially form pinholes depending on your flow rate and a whole bunch of really advanced and unpredictable physics. Expensive nice hose like XRP's has a carbon lining that makes it partially conductive completely eliminating this issue.
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Last edited by christensent; 05-20-2018 at 04:40 PM.
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post #3 of 4 Old 05-21-2018, 06:29 PM
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i got some steel braided lines from Summit that are rated for fuel. hopefully it wont smell, havent installed yet so i cant help. also using a motobilt TJ cell

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post #4 of 4 Old 05-21-2018, 06:51 PM
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Here's my RCI fuel cell with factory 2008 fuel pump. All my stuff was parker push lok hose and 3/8 fuel injection hose that came from summit. I will grab some more photos tomorrow.

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Last edited by NeverLift; 05-21-2018 at 06:55 PM.
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