Gates 21441 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21441

The Gates Molded Coolant Hose 21441 is designed for reliable cooling system performance in select Chevrolet and GMC vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Chevrolet Blazer and GMC Yukon.

• Constructed from high-quality EPDM material 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 of 30.5 inches (775 mm) for accurate routing
• Compatible with Chevrolet and GMC trucks and SUVs including C1500, K2500, Suburban, and Yukon
• Part number 21441 for easy identification and replacement

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded radiator hoses that provide a direct fit and reliable coolant transfer. This product line eliminates the need for multiple hose assemblies by offering a single molded piece designed to match OEM specifications. The 21441 hose benefits from this approach by delivering consistent performance and durability in Chevrolet and GMC cooling systems.

Detailed Product Description

The Gates Molded Coolant Hose 21441 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. The hose features a molded construction that ensures a precise fit with no need for additional clamps or connectors. With an inside diameter of 1.25 inches (32 mm) on one end and 1.5 inches (38 mm) on the other, it accommodates specific radiator and engine connections. The 30.5-inch (775 mm) centerline length allows for proper routing within the engine bay, reducing stress and potential leaks. This hose does not contain a spring reinforcement, which is typical for molded hoses designed for specific OEM applications.

Compatible Vehicles and Common Applications

• Chevrolet Blazer and Suburban 1500
• GMC Yukon and C1500, C2500, C3500 series trucks
• GMC K1500, K2500, K3500 pickups and Suburban models
• GMC P30 and P3500 chassis vehicles
• Replacement for radiator coolant hose in cooling system maintenance

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 if not already integrated
• Verify the hose routing matches OEM specifications to avoid kinks or interference
• Inspect the cooling system for leaks after installation

Quality Assurance and Warranty

Gates Molded Coolant Hose 21441 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material and molded design contribute to long service life under normal operating conditions. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.