OE Quality
60-Day Returns

Gates 51418 Radiator Coolant Hose - Lower
Overview of Gates Molded Coolant Hose 51418
The Gates Molded Coolant Hose 51418 is engineered for reliable cooling system performance in Mercedes-Benz C250 vehicles. Designed with durable EPDM, plastic, and steel materials, this radiator coolant hose ensures efficient coolant flow and system integrity.
- Constructed from EPDM, plastic, and steel for durability and heat resistance
- Molded design with 2 branches and multiple quick connect fittings
- Centerline length options of 13.5, 16, and 343 cm for precise fitment
- End diameters ranging from 0.63 to 1.4 inches to match cooling system requirements
- Includes 3 quick connect fittings for secure and leak-free connections
Detailed Product Description
This radiator coolant hose from Gates is part of the Molded Coolant Hose product line, which focuses on precision-molded components designed to meet exact OEM specifications. The molded construction enhances hose integrity and fitment accuracy, reducing the risk of leaks and premature wear. The hose features two branches, an outlet, and a combination of female and male quick connectors, facilitating straightforward installation and reliable coolant routing. With multiple centerline length options and varied inside diameters at each end, the hose is tailored to fit the cooling system of the Mercedes-Benz C250 precisely.
Compatible Applications and Common Uses
- Replacement of worn or cracked radiator coolant hoses in Mercedes-Benz C250 models
- Resolving coolant leaks caused by hose degradation or damage
- Maintaining optimal engine temperature by ensuring proper coolant flow
- Addressing overheating issues related to faulty or leaking hoses
- Upgrading cooling system components with OEM-quality molded hoses
Installation Notes and Tips
When installing the Gates Molded Coolant Hose 51418, ensure the vehicle is cool and the cooling system is depressurized. Verify the hose orientation and branch connections match the original setup on the Mercedes-Benz C250. Use appropriate clamps and inspect all quick connect fittings for secure engagement to prevent leaks. It is recommended to inspect adjacent cooling system components during installation for any signs of wear or damage.
Quality Assurance and Warranty
Gates Molded Coolant Hose 51418 is manufactured to meet stringent quality standards, using materials resistant 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 durability and performance, supporting reliable operation in Mercedes-Benz C250 vehicles.
| Brand | Gates |
| Part Number | 51418 |
| Position | Molded Coolant Hose, Lower |
| Material | Epdm, plastic, steel |
| End 1 Inside Diameter | 1.3 |
| End 1 Inside Diameter | 33 |
| End 2 Inside Diameter | 1.4 |
| End 2 Inside Diameter | 36 |
| Contains Spring | No |
| Centerline Length | 13.5 |
| Centerline Length | 16 |
| Centerline Length | 343 |
| End 3 Inside Diameter | .63 |
| End 4 Inside Diameter | .88 |
| End 4 Inside Diameter | 22 |
| Branch Quantity | 2 |
| 9839 | Yes |
| 9845 | 3 |
| Modular Components | 2 branches, outlet, female quick connector, 2 henn quick connecto |
| Modular Components | 2 branches, outlet, female quick connector, 2 male quick connecto |
| Modular Hose | Yes |
| Molded | Yes |
| Number of Quick Connect Fittings | 3 |
This part fits 4 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Fuel Type | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2015 | Mercedes-Benz | C250 | 1.8L | L4 | GAS | Lower | Molded Coolant Hose |
| 2014 | Mercedes-Benz | C250 | 1.8L | L4 | GAS | Lower | Molded Coolant Hose |
| 2013 | Mercedes-Benz | C250 | 1.8L | L4 | GAS | Lower | Molded Coolant Hose |
| 2012 | Mercedes-Benz | C250 | 1.8L | L4 | GAS | Lower | 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.