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Gates 51615 Radiator Coolant Hose - Radiator To Water Pump
Overview of Gates Molded Coolant Hose 51615
The Gates Molded Coolant Hose 51615 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 for BMW 550i, 650Ci, and 650i vehicles.
- Constructed from EPDM, plastic, and steel for durability and heat resistance
- Centerline length of 12.5 inches (318 mm) for precise fitment
- Two female quick connectors for secure and modular hose connections
- Molded design enhances sealing and reduces leak potential
- Compatible with BMW 550i, 650Ci, and 650i models
- Part number 51615 for accurate identification and replacement
About the Molded Coolant Hose Product Line
The Molded Coolant Hose line by Gates focuses on precision-engineered hoses that feature molded construction and modular components. This design approach improves hose durability and fitment accuracy, reducing the risk of leaks and coolant loss. The inclusion of two female quick connectors allows for easier installation and maintenance, making the Molded Coolant Hose line suitable for modern cooling systems requiring reliable and service-friendly components.
Detailed Product Description
The Gates Molded Coolant Hose 51615 is a radiator coolant hose specifically designed for BMW 550i, 650Ci, and 650i models. It features a centerline length of 12.5 inches (318 mm) and consistent inside diameters of 0.61 inches (15 mm) on both ends, ensuring a precise and secure fit. The hose is constructed from a combination of EPDM rubber, plastic, and steel, materials chosen for their resistance to heat, pressure, and chemical exposure common in automotive cooling systems. The molded design enhances the hose’s structural integrity and sealing capabilities, while the two female quick connectors provide modularity and ease of connection without the need for additional clamps or fittings.
Common Applications and Problem Solving
- Replacement of worn or cracked radiator coolant hoses in BMW 550i, 650Ci, and 650i
- Addressing coolant leaks caused by hose degradation or poor sealing
- Restoring proper coolant flow to prevent engine overheating
- Upgrading to a molded hose for improved durability and fitment accuracy
- Facilitating maintenance with modular quick connect fittings
Installation Notes and Tips
Ensure the cooling system is fully depressurized and cooled before removing the old hose. Verify the part number 51615 matches the original hose for your BMW 550i, 650Ci, or 650i. The molded design and quick connectors simplify installation, but inspect connectors for proper seating to avoid leaks. Use appropriate tools to avoid damaging the quick connectors during installation. After installation, refill and bleed the cooling system according to manufacturer specifications.
Quality Assurance and Warranty
Gates Molded Coolant Hose 51615 is manufactured to meet OEM standards for fit, form, and function. The use of EPDM, plastic, and steel materials ensures resistance to heat and chemical exposure typical in automotive cooling systems. While specific warranty details are not provided, Gates products generally adhere to strict quality control processes to ensure reliability and durability in service.
| Brand | Gates |
| Part Number | 51615 |
| Position | Molded Coolant Hose, Radiator To Water Pump |
| Material | Epdm, plastic, steel |
| End 1 Inside Diameter | .61 |
| End 1 Inside Diameter | 15 |
| End 2 Inside Diameter | .61 |
| End 2 Inside Diameter | 15 |
| Contains Spring | No |
| Centerline Length | 12.5 |
| Centerline Length | 318 |
| Branch Quantity | 0 |
| 9839 | Yes |
| 9845 | 2 |
| Modular Components | 2 female quick connectors |
| Modular Hose | Yes |
| Molded | Yes |
| Number of Quick Connect Fittings | 2 |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2010 | BMW | 550i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2010 | BMW | 650Ci | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2010 | BMW | 650i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2009 | BMW | 550i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2009 | BMW | 650Ci | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2009 | BMW | 650i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2008 | BMW | 550i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2008 | BMW | 650Ci | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2008 | BMW | 650i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2007 | BMW | 550i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2007 | BMW | 650Ci | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2007 | BMW | 650i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2006 | BMW | 550i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2006 | BMW | 650Ci | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
| 2006 | BMW | 650i | 4.8L | V8 | GAS | Radiator To Water Pump | Molded Coolant Hose |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.