That’s part of the PCV system and someone has modified that , so you won’t be looking for exact replacement parts in- kind

Yeah, you'll either have to buy the whole pipe with the rubber hoses already attached or find a similarly shaped coolant hose. I had a leak there too. My local (chain) auto parts store allowed me to go into their behind-the-counter coolant hose inventory rack to find a hose with a similar bend. I fo...