Are your heater core hoses cut up or leaking? Purchase these OEM hoses from Prime. Fits All NA and turbo SW20 1991-1999 MR2. Choose between the:
Longer heater core hose from the water neck to hard line that runs behind the heat shield on the firewall up to the front of the car.
Shorter heater core hose from the hardline above the starter to the copper hardline that runs behind the heatshield on the firewall up to the front of the car.