
How Well Do You Know Hoses? | MOTOR Magazine
Still, it doesn’t hurt to review the lesson, if you’re contemplating a substitution: 7mm hose is sloppily loose on a 1⁄4-in. fitting; 10mm hose is slightly large on a 3⁄8-in. appliion. Half-inch hoses are bigger than 12mm hoses, while 17mm hose is loose on a 5⁄8-in. barb. When you use too large a hose, you run the risk of leaks. If you try to tighten your clamp to compensate, you