Dayco 71638 Radiator Coolant Hose

Overview of Dayco Curved Radiator Hose 71638

The Dayco Curved Radiator Hose 71638 is designed to provide reliable coolant flow for select Ford, Mazda, and Nissan vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical engine operating conditions.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Single inside diameter hose with 1 5/16 inch ends on both sides
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Compatible with multiple Ford, Mazda, and Nissan models including Mazda Miata and Nissan Altima

Detailed Product Description

The Dayco Curved Radiator Hose 71638 is a single inside diameter hose made from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 5/16 inches, ensuring a secure connection to the radiator and engine components. This hose does not include a heat shield or protective sleeve, focusing on straightforward, reliable coolant transfer. The trunk height measures 10 inches, accommodating the specific routing requirements of compatible vehicles.

As part of Dayco's Curved Radiator Hose line, this product is designed to meet the precise curvature and dimensional needs of certain radiator systems. This line emphasizes fitment accuracy and material durability to maintain coolant system integrity over time.

Compatible Vehicles and Applications

• Ford Probe and Ford Quest models requiring a 1 5/16 inch radiator hose
• Mazda 626, MX-6, and Miata models with matching hose specifications
• Nissan Altima, Maxima, and Murano models compatible with this hose size and design
• Replacement for radiator coolant hose failures such as cracks, leaks, or swelling
• Suitable for coolant system maintenance and restoration projects

Installation Notes and Tips

• Ensure the hose ends match the 1 5/16 inch inside diameter fittings on your vehicle
• Inspect surrounding components for wear or damage before installation
• Use appropriate clamps to secure the hose and prevent leaks
• Verify routing matches the original hose curvature to avoid kinks or stress points
• Allow the engine to cool before removing the old hose to prevent injury

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71638 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry coolant hose requirements. The EPDM material provides resistance to heat and coolant chemicals, contributing to the hose's durability. Warranty details are provided by Dayco and should be confirmed at the time of purchase.