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Silicone Rubber Blue Heater Hose, Inch OD, Inch ID

Description & Features

Engineered for heavy-duty pressure connections within hostile engine environments our silicone rubber blue heater hose delivers exceptional performance. Boasting a burst pressure of 250 PSI this hose ensures reliability even under intense conditions.

Featuring a continuous operating temperature range from -65deg;F to 350deg;F this hose exhibits robust resistance to coolant additives. It is reinforced with nylon fiber providing enhanced durability and strength. The hose offers an ideal inner diameter range of 0.480" to 0.520" and an outer diameter range of 0.830" to 0.840".

This special application hose is compatible with Oetiker Steplessreg; Ear Pinch Clamps Oetiker Steplessreg; Spring Clamps and Trident #730 S.S. Constant-Torquereg; Clamps. It is not suitable for use with serrated slotted or wire-type clamps.

Supplier Part Number: 5526-050X50

Specifications

Burst Pressure 250	Brand Flexfab	Brand Flexfab	Pack Size 12.00	UOM FT	Hose I.D. Range (in) 0.480 / 0.520	Hose O.D. Range (in) 0.830 / 0.840	Supplier Part Number 5526-050X50	Alternate Part Numbers Alternate Part Number C1KG96, Alternate Part Number MI-08749305, Alternate Part Number MINO-01591X98002	Product Weight 0.18 lbs

Similar Products

Model Number	Hose I.D. Range (in)	Hose O.D. Range (in)	Burst Pressure
FLX5526-050 Silicone Rubber Heater Hose	0.480 / 0.520	0.830 / 0.840	250
FLX5526-062 Silicone Rubber Heater Hose	0.605 / 0.645	0.955 / 0.970	250
FLX5526-075 Silicone Rubber Heater Hose	0.730 / 0.770	1.08 / 1.09	200
FLX5526-087 Silicone Rubber Heater Hose	0.855 / 0.905	1.18 / 1.22	175

Product Questions & Answers (1)

Question by: Lynn W on Mar 14, 2026, 2:08 PM

What kind of clamps should I use with this hose? I don't want it popping off.

Answer by: Customer Support on Mar 15, 2026, 5:22 PM

This hose works best with Oetiker Stepless Ear Pinch Clamps, Oetiker Stepless Spring Clamps, and Trident #730 S.S. Constant-Torque Clamps. Serrated, slotted, or wire-type clamps aren't recommended.