Gates 51912 Radiator Coolant Hose - Lower

Reliable Radiator Coolant Hose for Audi Q7

The Gates Molded Coolant Hose 51912 is engineered to provide dependable cooling system performance for your Audi Q7. Designed with durable materials and precise dimensions, this radiator coolant hose ensures efficient coolant flow and system integrity.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• End 1 inside diameter: 1.47 inches (37 mm)
• End 2 inside diameter: 1.4 inches (36 mm)
• Centerline length of 17.63 inches (448 mm) for exact fitment
• Includes one branch with modular components such as a female quick connector, tee, and sensor
• Does not contain a spring, ensuring consistent hose flexibility

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on precision-molded hoses designed to meet specific vehicle cooling system requirements. This product line incorporates modular components to facilitate integration with sensors and connectors, enhancing compatibility and serviceability. The 51912 hose exemplifies this approach with its tailored dimensions and integrated fittings, making it suitable for the Audi Q7 cooling system.

Detailed Product Description

The Gates 51912 radiator coolant hose is manufactured using EPDM rubber combined with plastic and steel reinforcements to withstand high temperatures and pressure within the cooling system. The hose features two different inside diameters at each end—1.47 inches (37 mm) and 1.4 inches (36 mm)—to match the radiator and engine connections precisely. Its 17.63-inch (448 mm) centerline length ensures proper routing without kinks or stress. The inclusion of one branch with modular components such as a female quick connector, tee, and sensor port allows for seamless integration with the vehicle’s cooling system sensors and fittings. This hose does not contain a spring, which maintains consistent flexibility and reduces the risk of internal damage.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses on Audi Q7 models
• Resolving coolant leaks caused by hose degradation or improper fit
• Maintaining optimal coolant flow to prevent engine overheating
• Ensuring secure connections with integrated modular components
• Supporting sensor integration for accurate temperature monitoring

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51912, verify the hose orientation to match the Audi Q7’s cooling system layout. Ensure all connections, including the female quick connector and sensor ports, are securely attached to prevent leaks. Inspect surrounding components for wear or damage during replacement. Use appropriate clamps and avoid over-tightening to maintain hose integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51912 to meet OEM specifications for durability and performance. The use of EPDM, plastic, and steel materials ensures resistance to heat, pressure, and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products generally adhere to industry standards for quality and reliability.