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Yanmar 4JH3 TBE Coolant Hose

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  • #75745
    Alasdair Woodfield
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    Hi,

    On the above engine in my 331 the hose between the intercooler and the turbine housing is about 120-140mm long, clear with a ‘reinforcing’ external sleeve.

    I assume it is the original and I am wondering whether it should be replaced by a silicon hose ?? Has anyone replaced this hose and which source ??

    Alasdair

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