Dayco 71905 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71905

The Dayco Curved Radiator Hose 71905 is designed specifically for Chevrolet Astro and GMC Safari vehicles. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures reliable performance in your vehicle's cooling system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black single inside diameter hose with 1 9/32 inch diameter on both ends
• Includes a protective sleeve for added durability
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 26 1/2 inches for proper fitment

Detailed Product Description

The Dayco Curved Radiator Hose line focuses on providing reliable coolant hose solutions with precise fitment and material quality. The 71905 part is a curved radiator coolant hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. This hose features a single inside diameter of 1 9/32 inches on both ends, ensuring a secure connection within the cooling system of Chevrolet Astro and GMC Safari models. The black hose includes a protective sleeve to guard against abrasion and premature wear, although it does not contain a heat shield. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive coolant applications.

Applications and Problem Solving

• Replaces worn or cracked radiator coolant hoses in Chevrolet Astro and GMC Safari vehicles
• Prevents coolant leaks that can lead to engine overheating
• Addresses hose swelling or softening caused by heat exposure
• Restores proper coolant flow and pressure within the radiator system
• Helps maintain engine temperature stability during operation

Installation Notes and Tips

• Ensure the hose diameter matches the radiator and engine fittings (1 9/32 inch)
• Inspect clamps and fittings for corrosion or damage before installation
• Replace clamps if necessary to secure the hose properly
• Verify the hose routing matches the original to avoid kinks or interference
• Allow the engine to cool before removing the old hose to prevent burns

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71905 to meet strict SAE specifications, ensuring durability and performance in Chevrolet Astro and GMC Safari vehicles. The use of EPDM material and protective sleeve enhances the hose's lifespan under typical operating conditions. Warranty details should be confirmed with the point of purchase or manufacturer, as they may vary.