Downtime is costly. Avoid unexpected breakdowns and costly repairs with the DAYCO 80397~DY Molded Heater Hose. This premium replacement part, engineered by Dayco, a leading name in automotive components for over a century, is the solution for maintaining efficient heating in your fleet vehicles. Constructed from high-grade EPDM rubber, this 12-inch hose boasts superior resistance to oil, salt, mud, road debris, ozone, coolants, and extreme temperatures ranging from -40°F to +257°F. The knitted rayon reinforcement adds extra strength and burst resistance, ensuring longevity and reliability even under the toughest operating conditions. Unlike standard heater hoses, the DAYCO 80397~DY's molded design eliminates the need for multiple connections and clamps, streamlining installation and significantly reducing labor costs. This precision fit guarantees a seamless integration into your vehicle's heating system, restoring optimal performance without the hassle of adjustments. Choose the DAYCO 80397~DY and prioritize efficiency, reliability, and cost-effectiveness in your fleet maintenance strategy. Invest in quality, invest in Dayco. Order yours today and experience the difference of a superior replacement part designed to withstand the rigors of heavy-duty operations. Minimize downtime, maximize productivity.