Silicone or traditional rubber heater hose?
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Silicone or traditional rubber heater hose?

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    Senior Member Rivernut's Avatar
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    Default Silicone or traditional rubber heater hose?

    I need to replace my water supply and cooling hoses. They are about 10 years old and have some cracks developing. Is it worth the extra money to buy the silicone stuff? It looks nice with the colors, but it is about double the price. Any recommended brands / types or brands / types to avoid?

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    Member lenker's Avatar
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    Im a firm believer of " you get what you pay for " if that helps at all. alot of people use an fittings and stainless braided hose. if thats to much, then your local hose supply should have a good quality push lock hose. it will be better quality then your standard heater hose that you get any old parts store. hope this helps
    Brett Lenk
    Missinglenkmotorsports.com

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    Senior Member jet pilot's Avatar
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    Quote Originally Posted by lenker View Post
    Im a firm believer of " you get what you pay for " if that helps at all. alot of people use an fittings and stainless braided hose. if thats to much, then your local hose supply should have a good quality push lock hose. it will be better quality then your standard heater hose that you get any old parts store. hope this helps
    I just did mine last year in steel braided #8 with the AN fittings, it was easy to do but it did set me back about 500.00

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    Jackwagon Patrolman Rexone's Avatar
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    I have used silicone heater hose on my vehicles for many years. I got tired of replacing old hard brittle traditional heater hose. So I would use it on a boat based on my excellent experience with it with underhood temps. I don't recall ever having to replace a piece of silicone heater hose.

    But... its not an approved marine hose. You won't find it on new boats. And I didn't tell you to use it, only said I would.

    Braided is certainly another good way to go but much more dough when fittings are figured in. I got my silicone heater hose at "the hose man" in irwindale. They have other branches around. I'm sure auto parts carries it too, possibly more $$ there, don't know.

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    What the Hell is That? 72Hondo's Avatar
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    Another place to look at is an aviation shop or repair center. They often throw stuff away that's perfectly good. Their hoses are rated to an insane amount of pressure.

    I was lucky enough to get a hold of a new fuel hose that was rated to 650psi. I used it to feed the motor water off the pump. Way beyond overkill.
    Quote Originally Posted by Kyle View Post
    Log off and go float, hang in the party coves, Show and shine on the trailer, fill up the boat, wax it, v-drive, jet, outdrive, and if you got a canoe and your reading this, you sir, need to phucking upgrade.

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    Boat Nut sleekcrafter's Avatar
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    Quote Originally Posted by 72Hondo View Post
    Another place to look at is an aviation shop or repair center. They often throw stuff away that's perfectly good. Their hoses are rated to an insane amount of pressure.

    I was lucky enough to get a hold of a new fuel hose that was rated to 650psi. I used it to feed the motor water off the pump. Way beyond overkill.
    yep, 5 years from date of mfr, and it's tossed, new or used.
    Upper Midwest Power Boat Association
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    Senior Member Fonz69's Avatar
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    My 2 cents

    I ran braided line and AN fittings.....end result was it never leaked and looked awesome!

    But on the other hand braided can and will conduct electricity and if it finds a way to rub on your hull when your boating it will scratch the hell out of it for sure!

    My choice would be AN fittings without the (metal) braided line

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