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Silicone Rubber Blue Coolant Hose, 2.77 Inch OD, 2.38 Inch ID, 36 Inch Long

Description & Features

The Flexfab Silicone Rubber Blue Coolant Hose is designed to meet rigorous industry standards and specifications. With a continuous operating temperature range from -65deg;F to 350deg;F this 4-ply construction hose is reinforced with polyester fabric and coated with a specially compounded silicone elastomer.

This coolant hose features an inner diameter of 2.38 inches and an outer diameter of 2.77 inches making it ideal for heavy-duty applications in refrigeration air conditioning pressure washers and hydraulic brake systems. It meets or exceeds the requirements of SAE J20 R1 Class A TMC RP303B Class 1 Grade 1 and most OEM truck manufacturersrsquo; specifications.

Engineered for a burst pressure of 325 this silicone hose offers durability and long-lasting performance. The 36-inch length ensures versatility and ease of installation in various industrial settings.

Supplier Part Number: 5581-238

Specifications

Color Blue	Hose Color Blue	Hose Type Auto/Truck Coolant Hose	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)

Question by: Rhonda H on Apr 9, 2025, 2:25 PM

got a tight spot to run coolant line. what are the exact hose sizes on this one?

Answer by: Customer Support on Apr 11, 2025, 11:27 AM

You are working with a 2.38 inch inside diameter and a 2.77 inch outside diameter, and the hose comes 36 inches long.

Silicone Rubber Blue Coolant Hose, 2.77 Inch OD, 2.38 Inch ID, 36 Inch Long

Description & Features

Specifications

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Product Questions & Answers (1)