Blue Silicone Coolant Hoses & Elbows 1 3/4" (45mm) ID
These classic blue coolant hoses all have 1 3/4” (45mm) ID. The reinforced 3-ply construction results in a 4.5mm nominal wall thickness (54mm / 2 1/8" OD) and provides a working pressure rating of 21 psi.
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This straight 45mm to 38mm reducer is designed to connect a 1.75" OD pipe to a 1.5" OD tube in your intake or cooling system. Cool Blue silicone rubber hose has 3-ply reinforcement.
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