Flexfab 25 Ft 3/8 ID Blue Silicone Heater Hose – 350F, SAE J20R3

Working on a cooling system?

Grab this 25-foot roll of Flexfab silicone heater hose.

It's 3/8-inch inside diameter (10mm), bright blue, and built to last.

Reinforced with nylon fiber, it handles temps from -65°F all the way up to 350°F.

Meets SAE J20 R3 Class A standards, so it's legit for automotive use.

Part numbers are 5526-038 or FLX5526-038.

Flexfab makes quality hoses, and this one's brand new.

Perfect for heater circuits, coolant lines, or any project needing flexible, high-temp rubber.

No UPC, just 25 feet of reliable hose.

Cut what you need and keep the rest for later.