Dayco 71945 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 71945

The Dayco Curved Radiator Hose 71945 is designed to provide reliable coolant flow for Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material and a protective sleeve, this radiator coolant hose ensures consistent performance in demanding engine environments.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Black color with a curved design for precise fitment
• Both ends have an inside diameter of 1 5/16 inches
• Includes a protective sleeve for added durability
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Single inside diameter hose type with 19-inch trunk height

Details on the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line focuses on delivering hoses that match specific OEM configurations with precise bends and dimensions. This ensures proper coolant flow and fitment without the need for modifications. The 71945 part number is part of this line, offering a tailored solution for select Chevrolet, Oldsmobile, and Pontiac models requiring a curved radiator coolant hose.

Technical Description and Compatibility

This radiator coolant hose is made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals, making it suitable for engine cooling systems. The hose features a single inside diameter of 1 5/16 inches on both ends, ensuring a consistent seal and flow. The protective sleeve enhances abrasion resistance, extending the hose's service life. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, confirming its suitability for automotive cooling applications. Compatible with Chevrolet Malibu, Oldsmobile Alero, and Pontiac Grand Am models, the Dayco 71945 hose is designed to meet the specific cooling system requirements of these vehicles.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose degradation
• Preventing overheating due to compromised coolant flow
• Maintaining proper engine temperature regulation
• Upgrading to a hose with protective sleeve for enhanced durability

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid burns. Inspect hose connections and clamps for corrosion or damage and replace if necessary. Slide the Dayco 71945 hose into place, making sure the curved shape aligns with the vehicle’s coolant routing. Tighten clamps securely to prevent leaks but avoid over-tightening which can damage the hose. Verify coolant levels and check for leaks after installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 71945 to meet strict SAE specifications, ensuring reliable performance in automotive cooling systems. The hose is constructed with durable EPDM material and includes a protective sleeve for extended service life. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and durability.