Gates 21994 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21994

The Gates Molded Coolant Hose 21994 is designed for reliable cooling system performance in select Chevrolet, GMC, and Oldsmobile vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Chevrolet S10 Blazer and GMC Jimmy.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 25.1 inches (638 mm) for accurate routing
• End 1 and End 2 inside diameters both measure 1.25 inches (32 mm)
• Contains no internal spring, providing flexibility without restriction

Detailed Product Description

This radiator coolant hose, part number 21994, is part of the Gates Molded Coolant Hose product line, known for its molded construction that matches original equipment specifications. The molded design eliminates the need for multiple hose segments, reducing potential leak points and simplifying installation. Made from EPDM, the hose resists degradation from heat, ozone, and coolant chemicals, making it suitable for the cooling systems of Chevrolet Bravada, GMC S15 Jimmy, and Oldsmobile models. Both ends feature a consistent inside diameter of 1.25 inches (32 mm), ensuring compatibility with factory fittings and maintaining proper coolant flow.

Applications and Common Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Chevrolet S10 and GMC Sonoma vehicles
• Resolving coolant leaks caused by hose deterioration or swelling
• Preventing overheating issues due to compromised coolant flow
• Eliminating hose collapse or restriction in the cooling system
• Maintaining proper coolant circulation in Oldsmobile and GMC Jimmy models

Installation Notes and Tips

• Verify hose length and diameter compatibility with your vehicle’s cooling system before installation
• Ensure all clamps and fittings are securely tightened to prevent leaks
• Inspect surrounding components for wear or damage during replacement
• Drain coolant system safely prior to hose removal to avoid spills
• Use proper tools to avoid damaging the molded hose during installation

Quality Assurance and Warranty

The Gates Molded Coolant Hose 21994 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. While specific warranty details are not provided here, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in Chevrolet, GMC, and Oldsmobile vehicles.