Darrell98

Could someone tell me what diameter the heater hoses are on a 1998 Corvette.? I have a part # 12368235 but I understand that is for 25 ft. Thank you

jdewolf

It's a non-standard size, people were reporting luck w/ 9/16"

johnson-rod

Try eBay. There was a guy who bought the 25 feet and was selling it 2 foot at a time. Worked for me.

vette4fl

There’s two different hoses. One is molded, and the other is straight garden variety heater hose. Are you looking for the upper or lower heater hose?

On my 2004 the upper is 5/8” Gates #28411…. An O’Reilly parts store should be able to get any size you need by the foot. I only bought 3’.

This molded hose seems to apply…