5/8 x 5/8 x 5/8" Tee (Metal). This heater core tee is used in our heater core hose kit and is sometimes used in conjunction with our rear heater core hose reducer. This tee, when used in our heater core hose kit eliminates the stock heater core tee that was 5/8 x5/8x1/2 and the special no longer made Volkswagen hoses from the tees to the rear heater core.

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