Blue Silicone Coolant Hoses & Elbows 3/4" (19mm) ID
These blue silicone coolant hoses all have 3/4” (19mm) ID. The reinforced 3-ply construction results in a 4mm wall thickness (27mm / 1 1/16" OD) and provides a working pressure rating of 39 psi.
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This straight 25mm to 16mm reducer is designed to connect a 1" OD tube to a 5/8" OD pipe in your intake or cooling system. Classic Blue silicone rubber hose has 3-ply reinforcement.
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