Gates 21959 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21959

The Gates Molded Coolant Hose 21959 is designed for reliable cooling system performance in select Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Buick LeSabre and Chevrolet Corsica.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 16.2 inches (411 mm) for accurate routing
• End 1 and End 2 inside diameters both measure 1.31 inches (33 mm)
• Does not contain a spring or quick connect fittings, ensuring simplicity and durability

Detailed Product Description

The Gates Molded Coolant Hose 21959 is a molded radiator coolant hose crafted from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features a centerline length of 16.2 inches (411 mm) and consistent inside diameters of 1.31 inches (33 mm) on both ends, providing a precise fit for the cooling system. The molded construction eliminates the need for additional clamps or fittings, reducing potential leak points and improving reliability. This hose is designed without springs or quick connect fittings, focusing on a straightforward, durable design suitable for the cooling systems of Buick, Chevrolet, Oldsmobile, and Pontiac vehicles.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line specializes in pre-formed hoses designed to match original equipment specifications. These hoses are molded to exact dimensions, ensuring proper fitment and routing within the engine bay. The Molded Coolant Hose line offers a balance of durability and ease of installation, making it a practical choice for radiator coolant hose replacements in compatible vehicles.

Compatible Vehicles and Common Applications

• Buick models including LeSabre, Park Avenue, and 88
• Chevrolet models such as Corsica and LSS
• Oldsmobile 98
• Pontiac Bonneville
• Used primarily as a radiator coolant hose to maintain engine temperature regulation

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to prevent burns
• Check hose connections for corrosion or damage before installation
• Use proper clamps to secure the hose ends and prevent leaks
• Verify the hose routing matches the original to avoid kinks or interference
• Inspect the cooling system for other worn components during replacement

Quality Assurance and Warranty

Gates Molded Coolant Hose 21959 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material provides resistance to heat and coolant chemicals, contributing to long service life. While specific warranty details may vary, Gates products typically come with a limited warranty against defects in material and workmanship, ensuring confidence in the replacement part.