Gates 21665 Radiator Coolant Hose - Lower - Pipe To Radiator, Lower - Radiator To Thermostat or Upper

Reliable Radiator Coolant Hose for Select Vehicle Models

The Gates Molded Coolant Hose 21665 is engineered to provide dependable coolant flow for various vehicle makes and models. Designed with durable EPDM material, this radiator coolant hose ensures consistent performance and longevity in your vehicle's cooling system.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 23.6 inches (599 mm) for accurate replacement
• Inside diameter of 1.25 inches (32 mm) on both ends for consistent coolant flow
• Compatible with multiple makes including Buick, Cadillac, Geo, Oldsmobile, Pontiac, Toyota, and Volkswagen

About the Gates 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 designed to maintain optimal coolant flow and resist common issues such as cracking or collapsing, making it suitable for a range of vehicles requiring precise hose dimensions and reliable material construction.

Product Details and Specifications

This radiator coolant hose features a molded design with no springs inside, ensuring a smooth internal surface for uninterrupted coolant circulation. Both ends have an inside diameter of 1.25 inches (32 mm), matching OEM specifications for a secure fit. The hose measures 23.6 inches (599 mm) in centerline length, making it compatible with specific vehicle models such as the Buick LeSabre, Cadillac XLR, Geo Prizm, Oldsmobile Delta 88, Pontiac Bonneville, Toyota Corolla, and Volkswagen Beetle. The absence of quick connect fittings and branches simplifies installation and reduces potential leak points.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses
• Resolving coolant leaks caused by hose deterioration
• Preventing overheating due to restricted coolant flow
• Maintaining proper engine temperature regulation in Buick, Cadillac, Toyota, and Volkswagen models
• Ensuring compatibility with specific vehicle cooling systems requiring a 1.25 inch diameter hose

Installation Notes and Tips

Before installation, verify the hose length and diameter match your vehicle’s specifications. The molded design allows for straightforward installation without the need for additional shaping. Ensure all clamps are securely tightened to prevent leaks. Inspect the cooling system for any other worn components during replacement to maintain overall system integrity.

Quality Assurance and Warranty

Gates is a recognized manufacturer of automotive hoses, and the Molded Coolant Hose 21665 is made from EPDM material known for its durability and resistance to heat and chemicals. While specific warranty details are not provided, Gates products typically meet or exceed OEM standards for quality and reliability.