Silicone Rubber Blue Coolant Hose, 3.89 Inch OD, 3.50 Inch ID, 36 Inch Long

Burst Pressure 200	Brand Flexfab	Brand Flexfab	Pack Size 36.00	UOM LN3	Hose I.D. 3.50	Hose O.D. 3.89	Length 36	Supplier Part Number 5581-350	Alternate Part Numbers Alternate Part Number 5581-350, Alternate Part Number C1KG60, Alternate Part Number MI-08749351, Alternate Part Number MINO-01591X98019	Product Weight 5.85 lbs

Product Questions & Answers

What kind of pressure can this hose handle before it busts?

Question by: Larry M on Apr 24, 2025, 6:55 AM

This silicone coolant hose has a burst pressure of 200 psi, making it suitable for heavy-duty applications.

Answer by: Customer Support on Apr 26, 2025, 7:47 AM

Model Number	Hose I.D.	Hose O.D.	Burst Pressure	Length
FLX5581-125	1.25	1.64	500	36
FLX5581-138	1.38	1.77	475	36
FLX5581-200	2	2.39	400	36
FLX5581-250	2.5	2.89	300	36
FLX5581-087	0.88	1.27	560	36
FLX5581-100	1	1.39	550	36
FLX5581-150	1.5	1.89	450	36
FLX5581-175	1.75	2.14	400	36
FLX5581-187	1.88	2.27	400	36
FLX5581-225	2.25	2.64	350	36
FLX5581-238	2.38	2.77	325	36
FLX5581-275	2.75	3.14	275	36
FLX5581-287	2.88	3.27	250	36
FLX5581-300	3	3.39	250	36
FLX5581-350	3.5	3.89	200	36
FLX5581-400	4	4.39	150	36
FLX5581-450	4.5	4.89	150	36
FLX5581-500	5	5.39	125	36