Gates 21822 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21822

The Gates Molded Coolant Hose 21822 is designed for reliable cooling system performance in select Cadillac, Chevrolet, and GMC vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Cadillac DeVille and Chevrolet Astro.

• Constructed from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 29.9 inches (759 mm) for accurate routing
• Inside diameter of 1.25 inches (32 mm) on both ends
• Compatible with Cadillac DeVille, Fleetwood, Chevrolet Astro, GMC Safari, and Commercial Chassis
• Part number 21822 for easy identification and replacement

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 enhances fitment accuracy and reduces installation time, making it suitable for complex cooling system layouts found in vehicles such as the GMC Safari and Cadillac Fleetwood. The molded construction also helps maintain hose integrity under thermal cycling and pressure variations.

Detailed Product Description

The Gates Molded Coolant Hose 21822 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose feature an inside diameter of 1.25 inches (32 mm), ensuring compatibility with standard radiator fittings. With a centerline length of 29.9 inches (759 mm), this hose is designed to fit specific cooling system configurations without modification. The molded design provides a precise shape that matches OEM specifications, improving coolant flow and reducing the risk of leaks or hose collapse. This hose does not contain any internal springs or quick connect fittings, simplifying its installation and maintenance.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Cadillac DeVille and Fleetwood models
• Addressing coolant leaks caused by hose degradation in Chevrolet Astro and GMC Safari vehicles
• Resolving overheating issues due to restricted coolant flow from damaged hoses
• Upgrading cooling system components on Commercial Chassis vehicles for improved reliability
• Eliminating hose deformation problems by using a molded hose designed for exact fitment

Installation Notes and Tips

• Ensure the engine is cool before removing the old hose to prevent burns
• Verify hose orientation matches the molded shape for proper fit
• Use appropriate clamps to secure both ends of the hose firmly
• Inspect surrounding components for wear or damage during installation
• Check for leaks after installation by running the engine and monitoring coolant flow

Quality Assurance and Warranty

Gates Molded Coolant Hose 21822 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals, ensuring long service life. While specific warranty details may vary, Gates typically offers coverage against manufacturing defects, supporting reliability in automotive cooling systems.