Dayco 71821 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71821

The Dayco Curved Radiator Hose 71821 is designed specifically for Ford Ranger and Mazda B2300 models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Material: EPDM for heat and chemical resistance
• Color: Black
• End 1 and End 2 Inside Diameter: 1 7/16 inches
• Contains protective sleeve for added durability
• Single inside diameter hose type
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height: 16 inches

Detailed Product Description

The Dayco Curved Radiator Hose 71821 is engineered to meet the cooling demands of Ford Ranger and Mazda B2300 vehicles. Made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, this hose maintains flexibility and durability under varying engine temperatures. Both ends of the hose have an inside diameter of 1 7/16 inches, ensuring a precise fit for the radiator connections. The inclusion of a protective sleeve enhances the hose's resistance to abrasion and external damage, extending its service life. This single inside diameter hose complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant systems.

About the Curved Radiator Hose Product Line

The Curved Radiator Hose line by Dayco focuses on providing hoses with specific bends and shapes to accommodate tight engine compartments and complex cooling system layouts. This product line is designed to offer a precise fit and reliable coolant flow, reducing the risk of leaks and overheating. The 71821 part is a representative of this line, tailored for Ford Ranger and Mazda B2300 models requiring a curved hose with protective features.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Ford Ranger and Mazda B2300
• Prevention of coolant leaks caused by hose degradation
• Maintaining proper coolant flow to avoid engine overheating
• Addressing hose damage from abrasion with protective sleeve
• Ensuring compatibility with factory cooling system specifications

Installation Notes and Tips

Before installation, ensure the engine is cool to prevent injury from hot coolant. Inspect hose connections and clamps for wear and replace if necessary. The 1 7/16 inch inside diameter ends should fit securely onto radiator fittings without forcing. Use appropriate clamps to secure the hose and prevent leaks. Verify that the protective sleeve is positioned to guard against abrasion points within the engine bay.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71821 to meet SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring compliance with industry requirements for coolant hoses. The EPDM material and protective sleeve contribute to the hose's durability and resistance to heat and chemicals. Warranty details should be confirmed with the supplier or manufacturer, as they may vary by region.