View Single Post
Old 12-01-2019, 07:43 AM   #9
454cid is a jewel in the rough454cid is a jewel in the rough454cid is a jewel in the rough
Join Date: May 2019
Posts: 394
Default Re: Need screw in fitting for water heater hose, dr. side

Originally Posted by fetchitfido View Post
...Pipe thread tends to be a narrow measure for a given size while straight/compression thread tends to be normal/wide measure.
Pipe sizes are inside diameter. I'd guess it would be 1/2 pipe thread, for a 5/8" hose barb, which seems a bit big for a little 1.9L engine, to me. 1/2" thread is what the V8's use for both the 5/8" and 3/4" lines.

2000 SL2 Automatic (back on the road) 17X,XXX miles.
1999 Chevy K3500


Add to 454cid's Reputation
Rate the quality of this post and help 454cid reputation points. Click the reputation button near the bottom left corner of this message box. Thank you!
454cid is offline   Reply With Quote