Gates 51816 Radiator Coolant Hose - Lower

Reliable Radiator Coolant Hose for Cadillac, Chevrolet, and GMC

The Gates Molded Coolant Hose 51816 is engineered to provide dependable cooling system performance for select Cadillac, Chevrolet, and GMC models. Designed with durable EPDM material, this radiator coolant hose ensures consistent heat resistance and flexibility for vehicles like the Cadillac XT5, Chevrolet Blazer, and GMC Acadia.

Key Features of Gates Molded Coolant Hose 51816

• Constructed from high-quality EPDM material for heat and chemical resistance
• Precise inside diameter of 1.31 inches (33 mm) on both ends for secure fitment
• Centerline length of 15.45 inches (392 mm) to match OEM specifications
• Designed without internal springs to maintain smooth coolant flow
• Compatible with Cadillac XT5, XT6, Chevrolet Blazer, and GMC Acadia models

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that meet exact OEM dimensions and material standards. This product line emphasizes molded construction for precise fit and reliable sealing, reducing the risk of leaks and premature wear. The 51816 part is a molded radiator coolant hose designed to maintain optimal coolant circulation in your vehicle’s engine cooling system.

Detailed Product Description

The Gates Molded Coolant Hose 51816 is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and automotive fluids. Both ends of the hose have an inside diameter of 1.31 inches (33 mm), ensuring a tight and secure connection to the radiator and engine fittings. With a centerline length of 15.45 inches (392 mm), this hose matches the original equipment dimensions for proper routing and fitment. The absence of an internal spring allows for smooth coolant flow without obstruction, supporting efficient engine temperature regulation.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Cadillac XT5 and XT6
• Fixing coolant leaks caused by hose degradation in Chevrolet Blazer models
• Resolving overheating issues due to compromised coolant flow in GMC Acadia vehicles
• Preventing coolant contamination from hose material breakdown
• Maintaining proper engine temperature by ensuring secure hose connections

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the inside diameter and length match the original hose to maintain 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 prevent future leaks.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51816 is manufactured to meet or exceed OEM standards for durability and performance. The EPDM material provides long-lasting resistance to heat and automotive fluids. While specific warranty details are not provided, Gates products typically adhere to strict quality control processes to ensure reliability in automotive cooling systems.