Silicone Rubber Blue Coolant Hose, 3.39 Inch OD, 3.00 Inch ID, 36 Inch Long

Description & Features

Flexfab's Silicone Rubber Blue Coolant Hose is engineered to endure continuous operating temperatures ranging from -65deg;F to 350deg;F. Constructed with a 4-ply silicone reinforcement and coated with a specially compounded silicone elastomer this hose ensures durability and high performance.

It meets or exceeds the stringent requirements of SAE J20 R1 Class A TMC RP303B Class 1 Grade 1 and most OEM truck manufacturers' specifications making it an optimal choice for demanding industrial applications.

With an inner diameter of 3 inches and an outer diameter of 3.39 inches the hose extends to a length of 36 inches providing ample coverage for various setups. Additionally the tireless Flexfab craftsmanship guarantees a burst pressure capacity of 250 PSI.

Perfectly suited for refrigeration air conditioning pressure washer jack hose hydraulic brake hose air brake engine and air brake categories this product offers reliable and efficient performance in critical operations.

MPN: C1KH13

Supplier Part Number: 5581-300

Specifications

Color
Blue
Hose Color
Blue
Hose Type
Auto/Truck Coolant Hose
Inside Diameter
3 in
Nominal Size
#03
Reinforcement
4-Ply Polyester
Resistance Properties
Aging, Cold Leak, Crack, Hardening, Oil Splash, Ozone, Temperature
Series
5581 Series
Tube Material
Silicone

Product Questions & Answers (1)

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Question by: Hubert E on Jul 6, 2025, 9:07 AM
got a tight spot to run coolant line. what are the actual hose dimensions on this one?
Answer by: Customer Support on Jul 7, 2025, 9:23 AM
You are working with a 3.00 inch inside diameter and a 3.39 inch outside diameter, and the hose length is 36 inches.

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