Gates 21970 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 21970

The Gates Molded Coolant Hose 21970 is designed specifically for Jeep Grand Cherokee models, providing reliable radiator coolant flow. Constructed from durable EPDM material, this molded radiator coolant hose ensures consistent performance under various operating conditions.

• Made from high-quality EPDM rubber for heat and chemical resistance
• Molded design for precise fit and leak prevention
• End 1 inside diameter: 1.25 inches (32 mm)
• End 2 inside diameter: 1.5 inches (38 mm)
• Centerline length: 20.9 inches (531 mm)
• Contains no internal spring for flexibility
• Compatible with Jeep Grand Cherokee radiator systems

Detailed Product Description

The Gates Molded Coolant Hose line offers engineered solutions for cooling system applications requiring exact fit and durability. This particular radiator coolant hose, part number 21970, is molded to match the specific dimensions needed for Jeep Grand Cherokee vehicles. Its EPDM construction provides resistance to heat, ozone, and coolant chemicals, ensuring long service life. The hose features two different inside diameters—1.25 inches (32 mm) on one end and 1.5 inches (38 mm) on the other—allowing it to connect seamlessly between radiator components. With a centerline length of 20.9 inches (531 mm), it fits precisely without the need for modifications. The absence of an internal spring enhances flexibility while maintaining structural integrity.

Common Applications and Problem Solving

• Replacement of worn or cracked radiator coolant hoses in Jeep Grand Cherokee
• Resolving coolant leaks caused by hose degradation or swelling
• Preventing overheating issues due to compromised coolant flow
• Addressing hose collapse or blockage affecting engine cooling
• Upgrading to a molded hose for improved fit and reduced installation errors

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 21970, ensure the engine is cool to avoid burns from hot coolant. Verify that the hose diameters match the radiator and engine fittings on the Jeep Grand Cherokee. Use appropriate clamps to secure the hose ends and check for leaks after installation. Avoid twisting or stretching the hose during installation to maintain its molded shape and performance.

Quality Assurance and Warranty

Gates Molded Coolant Hoses are manufactured to meet strict quality standards for automotive cooling systems. The EPDM material and molded construction provide durability and resistance to common coolant system stresses. While specific warranty details for part number 21970 should be confirmed with the supplier, Gates typically offers warranties covering defects in material and workmanship.