Econ-O-Fit Clamp Size Chart
Econ-O-Fit Size	Econ-O-Fit I.D.	Stainless Hose Size	Hose O.D.	Typical Application
3	7/16"	-4AN or -5AN	3/8"	Vacuum Lines
4	1/2"	-4AN or -5AN	7/16" to 1/2"	Fuel/Vacuum Lines
5	35/64"	-4AN or -5AN	1/2"	Fuel Lines
6	5/8"	-6AN	35/64"	Fuel/Oil Lines
7	21/32"	-7AN	5/8"	Fuel/Oil Lines
8	11/16"	-7AN or -8AN	5/8" to 41/64"	Vent/Oil Cooler Lines
10	13/16"	-10AN	51/64"	Oil Cooler Lines/Heater Hoses
12	15/16"	-12AN	15/16"	Heater Hoses
14	1-1/8"	-12AN or -14AN	15/16" to 1-1/32"	Heater Hoses
16	1-3/16"	-16AN	1-5/32"	Heater/Radiator Hoses
18	1-3/8"	-18AN	1-5/32" to 1-5/16"	Heater/Radiator Hoses
20	1-1/2"	-20AN	1-7/16"	Heater/Radiator Hoses
24	1-3/4"	-24AN	1-45/64"	Radiator Hoses
28	1-15/16"	-28AN	1-27/32"	Radiator Hoses
32	2-3/16"	-32AN	2-1/8"	Radiator Hoses
34	2-5/16"	-	-	Radiator Hoses
36	2-3/8"	-	-	Radiator Hoses