Gates 51868 Radiator Coolant Hose - Upper

Overview of Gates Molded Coolant Hose 51868

The Gates Molded Coolant Hose 51868 is designed for reliable cooling system performance in select Buick and Chevrolet vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent fluid flow and heat resistance for your Buick Enclave and Chevrolet Traverse models.

• Constructed from high-quality EPDM for heat and chemical resistance
• End 1 inside diameter: 1.31 inches (33 mm)
• End 2 inside diameter: 1.5 inches (38 mm)
• Centerline length of 20.37 inches (517 mm) for precise fitment
• Does not contain a spring, ensuring flexibility and durability

About the Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded radiator hoses designed to meet exact OEM specifications. This product line emphasizes consistent dimensions and material quality, providing a reliable replacement hose that maintains proper coolant flow and system integrity. The 51868 part number is part of this line, offering a molded design that fits specific Buick and Chevrolet models without modification.

Detailed Product Description

The Gates Molded Coolant Hose 51868 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. This hose features two different inside diameters—1.31 inches (33 mm) on one end and 1.5 inches (38 mm) on the other—allowing it to connect seamlessly between components with varying sizes. With a centerline length of 20.37 inches (517 mm), it is engineered to fit the cooling systems of Buick Enclave, Chevrolet Traverse, and Traverse Limited models precisely. The absence of an internal spring enhances flexibility and reduces the risk of hose collapse under vacuum conditions.

Compatible Vehicles and Common Applications

• Replacement radiator coolant hose for Buick Enclave models
• Compatible with Chevrolet Traverse and Traverse Limited cooling systems
• Addresses coolant leaks caused by cracked or worn hoses
• Prevents overheating by maintaining proper coolant circulation
• Resolves hose swelling or softening due to heat exposure

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Inspect hose clamps and replace if necessary to maintain a secure seal. Verify the correct orientation of the hose based on the differing inside diameters to ensure proper fitment. Use coolant compatible with your vehicle manufacturer’s specifications when refilling the system after installation.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51868 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material provides long-lasting resistance to heat and coolant chemicals. While specific warranty details are not provided, Gates products typically come with a limited warranty against defects in material and workmanship.