Black Silicone Coolant Bypass Cap, 1 1/2 inch ID 20708 5 psi 12 psi 11

5 psi 12 psi 11 psi 10 psi 9

These 45 degree reducer elbow hoses have a 102mm ID at one end and a 76mm ID at the other end to connect a 4" OD tube to a 3" OD tube

The 4-ply reinforcement results in a working pressure rating in excess of 30 psi (135 psi burst pressure) and a 5mm wall thickness (61mm / 2 3/8" OD)

Install one large hose clamp on the reducing elbow below the clip slot

This size has a 22mm (7/8") ID

Black Silicone Coolant Bypass Cap, 1 1/2 inch ID 20708 5 psi 12 psi 11This cap features the same water and coolant compatible silicone rubber formulation as our silicone coolant hoses. It is designed for capping off coolant bypass or vacuum fittings, but it can also be used to protect fittings in storage. This size has a 38mm (1 1 2") ID, 46mm (1 13 16") OD and measures 38mm (1 1 2") Long overall with a 30mm depth. Maximum temperature 392 F (200 C). Operating pressure rating 14 psi. Black silicone rubber only. Sold