Gates 51569 Radiator Coolant Hose - Lower or Transmission Oil Cooler To Radiator (Lower)

Overview of Gates Molded Coolant Hose 51569

The Gates Molded Coolant Hose 51569 is engineered for reliable cooling system performance in select BMW models. Designed with durable EPDM, plastic, and steel materials, this radiator coolant hose ensures consistent coolant flow and system integrity.

• Constructed from EPDM, plastic, and steel for durability and heat resistance
• Molded design with integrated branch and three female quick connectors
• Centerline length options of 20.5, 28, and 521 mm for precise fitment
• End 1 inside diameter: 1.1 inches (28 mm); End 2 inside diameter: 0.87 inches (22 mm); End 3 inside diameter: 1.1 inches
• Compatible with multiple BMW models including 120i, 220i, 320i, 328i, and 428i variants

Detailed Product Description

The Gates Molded Coolant Hose 51569 belongs to the Molded Coolant Hose product line, which focuses on precision-engineered radiator hoses designed to meet exact OEM specifications. This hose features a molded construction that integrates a branch and three female quick connectors, facilitating secure and leak-free connections within the cooling system. The use of EPDM rubber combined with plastic and steel components provides resistance to heat, pressure, and coolant chemicals, ensuring long-term durability. The hose’s multiple centerline length measurements and varying inside diameters at each end allow for a tailored fit in the cooling circuits of compatible BMW vehicles.

Compatible BMW Models and Applications

• BMW 120i
• BMW 220i and 228i (including xDrive variants)
• BMW 320i and 328i (including xDrive and GT xDrive models)
• BMW 428i, 428i Gran Coupe, and 428i xDrive models

This radiator coolant hose is designed to replace worn or damaged hoses in these specific BMW models, maintaining optimal coolant flow and preventing overheating issues.

Common Issues Addressed by This Radiator Coolant Hose

• Coolant leaks caused by cracked or brittle hoses
• Reduced coolant flow due to hose deformation or collapse
• Overheating resulting from compromised hose integrity
• Loose or faulty connections in the cooling system
• Premature hose failure from exposure to heat and chemicals

Installation Notes and Tips

Ensure the engine is cool before removing the old coolant hose to avoid burns. Verify that the hose diameters and centerline lengths match the original equipment specifications for your BMW model. The molded design with quick connectors simplifies installation but inspect all connections for secure fitment and absence of leaks after installation. Use appropriate clamps if required by the vehicle’s cooling system design.

Quality Assurance and Warranty

Gates Molded Coolant Hose 51569 is manufactured to meet stringent quality standards, using materials that resist heat, pressure, and coolant exposure. While specific warranty details are not provided, Gates products typically adhere to OEM quality requirements, ensuring reliable performance in BMW cooling systems.