Gates 21851 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21851

The Gates Molded Coolant Hose 21851 is designed specifically for Subaru Impreza and Legacy models, providing reliable coolant flow management. Constructed from durable EPDM material, this radiator coolant hose ensures consistent performance under various operating conditions.

• Made from high-quality EPDM for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 10.2 inches (259 mm) for exact fitment
• Inside diameter of 1.5 inches (38 mm) on both ends
• Compatible with Subaru Impreza and Legacy models
• Part number 21851 for accurate identification

Detailed Product Description

The Gates Molded Coolant Hose 21851 is engineered to meet the cooling system requirements of Subaru Impreza and Legacy vehicles. Its EPDM construction offers excellent resistance to heat, ozone, and coolant chemicals, which helps maintain hose integrity over time. The molded design ensures a precise shape that matches the original equipment specifications, reducing the risk of leaks and improving coolant flow efficiency. Both ends of the hose have an inside diameter of 1.5 inches (38 mm), making it compatible with the corresponding radiator and engine fittings. With a centerline length of 10.2 inches (259 mm), this hose fits seamlessly into the cooling system without the need for modifications.

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to exact OEM specifications. This eliminates the need for bending or shaping during installation, ensuring a secure and leak-free connection. The molded design also helps maintain consistent coolant flow and reduces stress on the hose material, contributing to longer service life. The 21851 part is a representative product within this line, tailored for Subaru vehicles requiring precise coolant hose replacements.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Subaru Impreza and Legacy
• Prevention of coolant leaks caused by hose degradation
• Restoration of proper coolant flow to avoid engine overheating
• Elimination of hose collapse or swelling under pressure
• Ensuring compatibility with OEM cooling system components

Installation Notes and Tips

• Verify compatibility with your specific Subaru Impreza or Legacy model year before installation
• Ensure all clamps and fittings are clean and free of debris
• Use proper tools to avoid damaging the molded hose during installation
• Check for secure connections at both ends with 1.5 inch (38 mm) diameter fittings
• Inspect the cooling system for leaks after installation and during initial operation

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 21851 to meet stringent quality standards, ensuring durability and reliable performance. The EPDM material and molded construction are tested for resistance to heat, pressure, and chemical exposure typical in automotive cooling systems. While specific warranty details may vary, Gates products generally come with a limited warranty against defects in material and workmanship. Consult product documentation or authorized sources for exact warranty terms.