Gates 51946 Radiator Coolant Hose - Radiator To Reservoir or Reservoir (Lower)

Reliable Radiator Coolant Hose for Mercedes-Benz E-Class Models

The Gates Molded Coolant Hose 51946 is engineered to provide dependable cooling system performance for Mercedes-Benz E250, E300, and E350 vehicles. Designed with durable EPDM and steel materials, this radiator coolant hose ensures consistent fluid flow and heat resistance under demanding conditions.

• Constructed from EPDM rubber and steel for durability and heat resistance
• Centerline length of 15.74 inches (400 mm) for precise fitment
• Inside diameter of 0.7 inches (18 mm) on both ends for secure connections
• Includes a male quick connector for modular hose compatibility
• Does not contain a spring, ensuring smooth coolant flow

About the Gates Molded Coolant Hose Product Line

The Molded Coolant Hose line by Gates focuses on delivering pre-formed hoses that match exact OEM specifications. This product line is designed to simplify installation and improve reliability by using molded shapes that fit specific vehicle cooling systems. The 51946 hose benefits from this approach, providing a direct replacement for Mercedes-Benz E-Class models without the need for modifications.

Detailed Product Description

The Gates 51946 radiator coolant hose is made from high-quality EPDM rubber combined with steel reinforcement, offering resistance to heat, ozone, and coolant chemicals. With a centerline length of 15.74 inches (400 mm) and consistent inside diameters of 0.7 inches (18 mm) on both ends, it ensures a precise fit and reliable seal. The inclusion of a male quick connector supports modular hose systems, facilitating easier maintenance and replacement. This hose does not contain a spring, which helps maintain smooth coolant flow and reduces the risk of internal damage or blockage.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz E250, E300, and E350
• Prevention of coolant leaks caused by hose degradation or swelling
• Restoration of proper coolant flow to avoid engine overheating
• Addressing hose failures due to heat and pressure exposure
• Ensuring compatibility with modular cooling system components

Installation Notes and Tips

When installing the Gates Molded Coolant Hose 51946, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation matches the OEM routing to prevent kinks or stress points. The male quick connector should be securely engaged to avoid leaks. Inspect adjacent components for wear or damage during replacement to maintain overall cooling system integrity.

Quality Assurance and Warranty

Gates manufactures the Molded Coolant Hose 51946 to meet or exceed OEM standards for durability and performance. The use of EPDM and steel materials ensures resistance to heat and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products are generally backed by quality assurance protocols to support reliable operation in Mercedes-Benz E-Class vehicles.