Product Details: Get more out of your heater hose with Safety Stripe Heater Hose, constructed for extra-long service life. Intended for use on cars and light trucks, this EPDM hose is unaffected by most coolants, non-oil based coolant additives and high cooling system pressures. (Not recommended for heavy-duty trucks, buses, or off-road construction equipment; use Green Stripe heater hose for these applications.)