Maximize your fleet's uptime and driver comfort with the DAYCO 87954~DY Molded Heater Hose. This premium, direct-fit replacement ensures efficient heat transfer to your vehicle's heater core, preventing costly downtime caused by overheating. Engineered with high-quality EPDM rubber and a protective sleeve, the DAYCO 87954~DY offers superior durability and resistance to environmental stressors, extending its lifespan and reducing the frequency of replacements. Unlike inferior alternatives, this 25-inch hose boasts a precise dual inside diameter design (11/16" and ¾") for a perfect fit, guaranteeing a leak-free seal and optimal performance. The DAYCO 87954~DY is rigorously tested to meet stringent SAE J20R3 Class D-1 and SAE J1684 Type EC specifications, providing you with the confidence of knowing you're installing a reliable, high-performing component. Its straightforward, direct-fit installation minimizes labor costs and downtime, allowing your vehicles to get back on the road quickly. The robust construction of the DAYCO 87954~DY ensures reliable performance even in demanding operating conditions, protecting your investment and maintaining driver comfort throughout the year. Choose the DAYCO 87954~DY for a reliable, durable solution that keeps your fleet running smoothly and your drivers warm, all while minimizing costly repairs and maximizing your return on investment. Order your DAYCO 87954~DY Molded Heater Hose today and experience the difference of a premium component designed for heavy-duty applications. Trust FleetPride, your trusted source for quality heavy-duty parts.