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Radiator Fitment Issue!

Discussion in 'Chevy C/K Truck Forum' started by Annihilator, Dec 9, 2011.

  1. Annihilator

    Annihilator New Member

    I just replaced my factory '98 Z71 factory radiator with a Delphi RA20109, per the Delphi catalog. However, below the overflow tank nipple, there is another, larger nipple that my OEM tank did not have. What is this for and what can I do to make this work...
  2. dipstick

    dipstick New Member

    Looked at your rad. on the web. Have to get a rubber cap and put a clamp on it.
    That is for older vehicle heater hose.
  3. Annihilator

    Annihilator New Member

    Ideas on a cap? I clamped it with a hose and knob but its leaking....
  4. dipstick

    dipstick New Member

    Yeah... at auto parts they have rubber plugs assortment pack.. work great.

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