Gates 21750 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21750

The Gates Molded Coolant Hose 21750 is designed specifically for Buick Riviera and Oldsmobile Toronado models. Constructed from durable EPDM material, this radiator coolant hose ensures reliable performance and long service life in your vehicle's cooling system.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design for precise fit and secure installation
• End 1 inside diameter: 1.25 inches (32 mm)
• End 2 inside diameter: 1.5 inches (38 mm)
• Centerline length: 27.5 inches (699 mm)
• Contains no internal spring for consistent coolant flow
• Compatible with Buick Riviera and Oldsmobile Toronado

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering hoses that are pre-formed to exact specifications, eliminating the need for bending or shaping during installation. This product line is engineered to provide a precise fit for specific vehicle applications, such as the Buick Riviera and Oldsmobile Toronado, ensuring optimal coolant flow and system reliability.

Detailed Product Description

The Gates Molded Coolant Hose 21750 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. The molded construction allows for a consistent shape that matches the original equipment specifications, reducing the risk of leaks or hose failure. With an end 1 inside diameter of 1.25 inches (32 mm) and an end 2 inside diameter of 1.5 inches (38 mm), this hose accommodates the specific radiator connections on the Buick Riviera and Oldsmobile Toronado. The 27.5-inch (699 mm) centerline length ensures proper routing within the engine bay without kinks or stress points.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Prevention of coolant leaks that can cause engine overheating
• Restoration of proper coolant flow in Buick Riviera and Oldsmobile Toronado cooling systems
• Elimination of hose collapse or deformation under pressure
• Upgrade from generic hoses to a molded, vehicle-specific design

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to avoid burns
• Check all hose clamps and replace if corroded or damaged
• Verify the hose routing matches the original to prevent interference with other components
• Lubricate hose ends with a small amount of coolant or water to ease installation
• Inspect the cooling system for leaks after installation and during initial operation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21750 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded design contribute to a reliable, long-lasting hose suitable for Buick Riviera and Oldsmobile Toronado vehicles. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in material and workmanship.