Dayco 70651 Radiator Coolant Hose - Upper

Overview of Dayco Curved Radiator Hose 70651

The Dayco Curved Radiator Hose 70651 is designed to provide reliable coolant flow for select Buick, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent performance under typical operating conditions.

• Constructed from EPDM for heat and chemical resistance
• Black color with a single inside diameter hose design
• 1 1/2 inch inside diameter on both ends for secure fitment
• Meets SAE J20R4 Class D-1 and SAE J1684 Type EC specifications
• Trunk height of 27 inches for proper routing

Detailed Product Description

This Dayco Curved Radiator Hose 70651 is a single inside diameter hose made from EPDM, a synthetic rubber known for its resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1 1/2 inches, making it suitable for radiator connections requiring this size. The hose does not include a heat shield or protective sleeve, focusing on straightforward coolant transfer. It complies with SAE J20R4 Class D-1 and SAE J1684 Type EC standards, ensuring it meets industry requirements for radiator coolant hoses. The trunk height of 27 inches allows for proper installation and routing within the engine bay.

About the Curved Radiator Hose Product Line

The Dayco Curved Radiator Hose line is designed to offer precise fitment and reliable coolant flow for various vehicle applications. This product line focuses on hoses with specific bends and dimensions to match OEM requirements, reducing the need for modifications during installation. The 70651 part is part of this line, providing a curved hose solution for select GM vehicles.

Compatible Vehicles and Common Applications

• Buick models including Century, LeSabre, Regal, and Riviera
• Oldsmobile models such as Delta 88, Cutlass, and 98
• Pontiac models including Firebird, Grand Am, GTO, and Grand Prix
• Other GM models like Bonneville, Catalina, Custom Cruiser, Laurentian, LeMans, Parisienne

Common Issues Addressed by Dayco Radiator Hose 70651

• Replacement of cracked or leaking radiator coolant hoses
• Restoring proper coolant flow to prevent engine overheating
• Eliminating coolant leaks caused by hose deterioration
• Ensuring secure hose connections with correct diameter fittings
• Maintaining engine cooling system integrity in older GM vehicles

Installation Notes and Tips

Before installation, inspect the radiator and hose connections for corrosion or damage. Ensure the hose clamps are in good condition and properly tightened to prevent leaks. The 1 1/2 inch inside diameter on both ends allows for straightforward replacement without modification. Route the hose carefully to avoid contact with sharp edges or moving parts. No heat shield or protective sleeve is included, so verify clearance from high-heat components during installation.

Quality Assurance and Warranty

Dayco manufactures the Curved Radiator Hose 70651 to meet SAE specifications, ensuring durability and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details are not provided, Dayco products typically adhere to industry standards for quality and reliability.