Gates 21878 Radiator Coolant Hose - Lower

Overview of Gates Molded Coolant Hose 21878

The Gates Molded Coolant Hose 21878 is designed specifically for Nissan 300ZX models, providing reliable radiator coolant flow. Constructed from durable EPDM and plastic materials, this molded radiator coolant hose ensures a precise fit and long-lasting performance.

• Material: EPDM rubber and plastic for heat and chemical resistance
• End 1 Inside Diameter: 1.34 inches (34 mm)
• End 2 Inside Diameter: 1.56 inches (40 mm)
• Centerline Length: 41.3 inches (1049 mm)
• Molded design for exact fit and secure connections
• No spring reinforcement included
• Compatible with Nissan 300ZX radiator coolant systems

Detailed Product Description

The Gates Molded Coolant Hose from the Molded Coolant Hose product line is engineered to meet the specific cooling system requirements of the Nissan 300ZX. Made from EPDM and plastic, this hose offers resistance to heat, ozone, and coolant chemicals, which helps maintain system integrity under demanding conditions. The molded construction ensures consistent shape and fit, reducing the risk of leaks and improving coolant flow efficiency. With an inside diameter of 1.34 inches (34 mm) on one end and 1.56 inches (40 mm) on the other, and a centerline length of 41.3 inches (1049 mm), this hose matches the original equipment specifications for proper installation and operation.

Applications and Problem Solving

• Replaces worn or cracked radiator coolant hoses on Nissan 300ZX vehicles
• Prevents coolant leaks that can cause engine overheating
• Restores proper coolant flow to maintain engine temperature regulation
• Eliminates hose swelling or deformation due to heat and chemical exposure
• Addresses fitment issues with non-molded or generic hoses

Installation Notes and Tips

Ensure the engine is cool before removing the old radiator coolant hose to avoid burns. Verify that the hose diameters and length match the original part to guarantee proper fitment. Use appropriate clamps to secure the hose ends firmly without over-tightening, which can damage the hose. Inspect surrounding components for wear or damage during installation to maintain overall cooling system health.

Quality Assurance

Gates Molded Coolant Hose 21878 is manufactured to meet OEM standards for durability and performance. The EPDM and plastic materials provide resistance to heat, ozone, and coolant chemicals, ensuring long service life. While no specific warranty information is provided, Gates products typically adhere to strict quality control processes to support reliable operation in Nissan 300ZX cooling systems.