Gates 21291 Radiator Coolant Hose - Lower

Reliable Radiator Coolant Hose for Vehicle Cooling Systems

The Gates Molded Coolant Hose 21291 is engineered to provide dependable performance in automotive cooling systems. Designed with durable EPDM material and molded construction, this radiator coolant hose ensures a secure fit and long-lasting service life for compatible vehicles.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and reduced risk of leaks
• End 1 inside diameter: 2.5 inches (64 mm)
• End 2 inside diameter: 2.88 inches (73 mm)
• Centerline length of 12.9 inches (328 mm) for accurate replacement
• Includes internal spring to prevent hose collapse under pressure
• Part number 21291 for easy identification and ordering

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-engineered hoses designed to meet specific vehicle requirements. These molded hoses offer enhanced durability and fitment accuracy compared to universal hoses, reducing installation time and improving cooling system reliability. The 21291 model is part of this line, providing a tailored solution for radiator coolant flow management.

Detailed Product Description

This radiator coolant hose features EPDM construction, known for its resistance to heat, ozone, and automotive fluids, making it suitable for demanding engine environments. The molded design ensures that the hose maintains its shape and fit, minimizing the risk of leaks or disconnections. With an internal spring, the hose resists collapse under vacuum or pressure fluctuations, maintaining consistent coolant flow. The dual inside diameters of 2.5 inches (64 mm) and 2.88 inches (73 mm) accommodate specific radiator and engine connections, while the 12.9-inch (328 mm) centerline length matches OEM specifications for proper routing.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in compatible vehicles
• Prevention of coolant leaks caused by hose degradation or improper fit
• Maintaining optimal coolant flow to prevent engine overheating
• Resolving hose collapse issues under engine vacuum or pressure
• Ensuring secure connections between radiator and engine coolant ports

Installation Notes and Tips

Before installation, verify that the hose dimensions match the vehicle’s specifications. Ensure all old hose material and debris are removed from connection points. The molded design of the Gates 21291 hose allows for straightforward installation without modification. Use appropriate clamps to secure the hose ends firmly, and inspect for leaks after installation. Avoid twisting or stretching the hose during fitting to maintain its integrity.

Quality Assurance and Warranty

Gates Molded Coolant Hose 21291 is manufactured to meet industry standards for durability and performance. The EPDM material and molded construction undergo rigorous quality control to ensure reliability in automotive cooling systems. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support long-term use.