Black Silicone Coolant Bypass Cap, 1 1/2 inch ID 20708 The 4-ply reinforcement results in

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)

The 4-ply reinforcement results in a 5mm wall thickness (61mm / 2 3/8" OD) and a working pressure rating over 21 psi (106 psi burst pressure)

Operating pressure rating 14 psi

These one meter (3

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

Black Silicone Coolant Bypass Cap, 1 1/2 inch ID 20708 The 4-ply reinforcement results inThis 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