Gates 51730 Radiator Coolant Hose - Upper

Reliable Radiator Coolant Hose for Volkswagen Golf and Jetta

The Gates Molded Coolant Hose 51730 is engineered to provide dependable cooling system performance for Volkswagen Golf and Jetta models. Designed with durable materials and precise dimensions, this radiator coolant hose ensures efficient coolant flow and system integrity.

Key Features of Gates Molded Coolant Hose 51730

• Constructed from EPDM, plastic, and steel for enhanced durability and heat resistance
• End 1 and End 2 inside diameters both measure 1.25 inches (32 mm) for consistent fitment
• Centerline length of 21 inches (533 mm) to match OEM specifications
• Molded design with female quick connector and two outlets for secure connections
• Includes one quick connect fitting for streamlined installation
• Modular hose design compatible with specific Volkswagen cooling systems
• Does not contain a spring, ensuring stable coolant flow without obstruction

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on precision-molded components that integrate multiple connection points and fittings into a single hose assembly. This design reduces potential leak points and simplifies installation in complex cooling systems. The 51730 part exemplifies this approach with its molded construction and integrated female quick connector, tailored for Volkswagen vehicles.

Detailed Product Description

The Gates Molded Coolant Hose 51730 is specifically designed for Volkswagen Golf and Jetta models requiring a reliable radiator coolant hose. Made from EPDM rubber combined with plastic and steel reinforcements, this hose withstands high temperatures and pressure typical in automotive cooling systems. The consistent 1.25-inch (32 mm) inside diameter on both ends ensures a proper seal and fit with OEM components. Its 21-inch (533 mm) centerline length matches factory specifications, maintaining proper coolant flow and system performance. The molded design includes a female quick connector with two outlets, facilitating secure and efficient coolant routing without additional fittings.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Volkswagen Golf and Jetta
• Resolving coolant leaks caused by deteriorated or damaged hoses
• Maintaining optimal engine temperature by ensuring proper coolant circulation
• Preventing overheating issues related to compromised hose integrity
• Upgrading to a molded hose assembly for improved system reliability

Installation Notes and Tips

Ensure the engine is cool before removing the old hose to avoid burns. Verify that the 1.25-inch (32 mm) diameter matches your vehicle’s existing hose connections. The molded design with a female quick connector simplifies installation, but confirm the hose routing aligns with factory specifications. Inspect all clamps and fittings for wear and replace if necessary to maintain a secure seal.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51730 is manufactured to meet or exceed OEM standards for durability and performance. The use of EPDM, plastic, and steel materials ensures resistance to heat, pressure, and chemical exposure common in automotive cooling systems. While specific warranty details are not provided, Gates products typically come with manufacturer-backed quality assurance to support reliable operation in Volkswagen Golf and Jetta vehicles.