hi Mitch I've just tried to install the new one & the cords won't go in the connector , do I need a smaller one     

Thanks for the quick response Mitchell, I have attached a pic of the back of the washing machine, I don't think I can replace that cord with the ext ...

 i have a leak coming from my washing machine hose. I have taken the clamps off & re tightened them but not sure what else to do